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1 109/1 電機系 董崇禮 副教授 期刊論文 發佈 Improved photocatalytic efficiency of TiO2 open nanotube arrays: a view by XAS , [109-1] :Improved photocatalytic efficiency of TiO2 open nanotube arrays: a view by XAS期刊論文Improved photocatalytic efficiency of TiO2 open nanotube arrays: a view by XASJ. W. Wu; C. H. Chen; Y. R. Lu; C. J. Lin; Y. H. Liou; K. Kumar; S. Y. Chen; D. H. Wei; C. L. Dong; C. L. ChenNanotube;Titania;Photocatalyst;XAS;SPEM;Photoelectrochemical;Electronic propertiesApplied Surface Science 527, 146844Highly ordered TiO2 nanotube (TiNT) arrays were prepared on Ti foil. The interfacial caps between nanotube bottom and Ti foil were gradually removed by oxalic acid. The removal of caps in TiNT is known to enhance its light-harvesting capability, increase the carrier transfer, and cause effective dissociation of electron-hole pairs. The electronic and local atomic structures of TiNT at different oxalicacid immersion time were investigated by XAS. Notably, the reported enhanced light harvesting and electron collecting efficiencies in both-end open TiNT, could be strongly correlated with charge redistribution
2 108/2 電機系 董崇禮 副教授 期刊論文 發佈 Electronic structures associated with enhanced photocatalytic activity in nanogap-engnieered g-C3N4/Ag@SiO2 hybrid nanostructures , [108-2] :Electronic structures associated with enhanced photocatalytic activity in nanogap-engnieered g-C3N4/Ag@SiO2 hybrid nanostructures期刊論文Electronic structures associated with enhanced photocatalytic activity in nanogap-engnieered g-C3N4/Ag@SiO2 hybrid nanostructuresY. C. Huang; K. T. Arul; C. L. Chen; J. L. Chen; J. Chen; S. Shen; Y. R. Lu; C. H. Kao; C. L. Dong; W. C. Choug-C3N4;Localized surface plasmon resonance;X-ray absorption spectroscopyApplied Surface Science 514, 145907Graphitic carbon nitride (g-C3N4) has attracted considerable attention with regard to its use in photocatalytic solar hydrogen production by the splitting of water. High charge carrier recombination critically limits the photocatalytic activity of g-C3N4. Plasmonic metal nanoparticles that can generate localized surface plasmon resonance (LSPR) have been suggested to enhance the harvesting of visible light and to improve water splitting efficiency. However, direct contact between metal nanoparticles and g-C3N4 reduc
3 109/1 物理系 吳俊毅 助理教授 期刊論文 發佈 Direct and efficient verification of entanglement between two multimode–multiphoton systems , [109-1] :Direct and efficient verification of entanglement between two multimode–multiphoton systems期刊論文Direct and efficient verification of entanglement between two multimode–multiphoton systemsTakayuki Kiyohara; Naoki Yamashiro; Ryo Okamoto; Hirotaka Araki; Jun-Yi Wu; Holger F. Hofmann; Shigeki TakeuchiOptica 7(11), pp.1517-1523Linear-optic photonic networks with multiple single-photon inputs are attracting attention due to their great potential for quantum computation, quantum communication, and quantum sensing. They are also essential for verifying quantum advantages via boson sampling schemes. The quantum coherence of generated multimode–multiphoton states is crucial for various applications. However, the coherence is invisible in the normally obtained photon number distributions, which strictly limits the efficiency of entanglement verification between multimode–multiphoton systems since the required resources for quantum state tomography increase exponentially as the number of photons/mo
4 109/2 財金系 林千代 教授 期刊論文 發佈 Lamination Scheme of Curing Degree at Multiple Levels of Temperature With Location-Scale Regression , [109-2] :Lamination Scheme of Curing Degree at Multiple Levels of Temperature With Location-Scale Regression期刊論文Lamination Scheme of Curing Degree at Multiple Levels of Temperature With Location-Scale RegressionTsai, C. C.; Lin, C. T.; Balakrishnan, N.Confidence bands;curing degree;degree of crosslinking;sample size allocation;specification limitsIEEE Access 9, p.50163-50169Solar power has become a key green source of energy. An important factor that affects the reliability and lifetime of solar modules is the quality of encapsulation through the lamination process, which melts the ethylene vinyl acetate (EVA) to make the solar cells combine with the front glass side and the rear side units. The degree of crosslinking or curing degree for EVA sheets, when the EVA sheet gets heated, can affect the efficiency of the performance and power conversion of solar modules. For this reason, motivated by a lamination data, we construct here a statistical model for describing the relationship between the c
5 109/2 數學系 蔡志群 副教授 期刊論文 發佈 Lamination Scheme of Curing Degree at Multiple Levels of Temperature with Location-Scale Regression , [109-2] :Lamination Scheme of Curing Degree at Multiple Levels of Temperature with Location-Scale Regression期刊論文Lamination Scheme of Curing Degree at Multiple Levels of Temperature with Location-Scale RegressionTsai, C. C.; Lin, C. T.; Balakrishnan, N.Confidence bands;curing degree;degree of crosslinking;sample size allocation;specification limitsIEEE Access 9, p.50163-50169Solar power has become a key green source of energy. An important factor that affects the reliability and lifetime of solar modules is the quality of encapsulation through the lamination process, which melts the ethylene vinyl acetate (EVA) to make the solar cells combine with the front glass side and the rear side units. The degree of crosslinking or curing degree for EVA sheets, when the EVA sheet gets heated, can affect the efficiency of the performance and power conversion of solar modules. For this reason, motivated by a lamination data, we construct here a statistical model for describing the relationship between the c
6 108/1 企管系 張寶光 教授 期刊論文 發佈 Productivity Change and Decomposition in Taiwan Bakery Enterprise―Evidence from 85 °C Company , [108-1] :Productivity Change and Decomposition in Taiwan Bakery Enterprise―Evidence from 85 °C Company期刊論文Productivity Change and Decomposition in Taiwan Bakery Enterprise―Evidence from 85 °C CompanyChieh-Wen Chang; Kun-Shan Wu; Bao-Guang Changbakery industry;Malmquist index;productivity change;technical progress;relative efficiency changeSustainability 11(24), 7077(13 pages)In recent years, the bakery market has grown rapidly. Alongside its growth and fast change, it is very important to comprehend the productivity change of the bakery industry. Nowadays, effective management is more and more important to ensure the sustainable development of enterprises. Thus, productivity change of 22 self-owned stores of a famous bakery company (85 °C) from 2011 to 2016 was quantitatively analyzed and evaluated by adopting Malmquist index model in this study. Based on the Malmquist index model, the overall mean for total productivity change of 85 °C increased slightly from 2011 to 2016, and the productivity
7 102/1 產經系 洪鳴丰 教授 期刊論文 發佈 Residential Water Use: Efficiency, Affordability, and Price Elasticity , [102-1] :Residential Water Use: Efficiency, Affordability, and Price Elasticity期刊論文Residential Water Use: Efficiency, Affordability, and Price ElasticityHung, Ming-Feng; Chie, Bin-Tzong淡江大學產業經濟學系Residential water;Efficiency;Affordability;Water pricing;Cap and trade;Price elasticity;Agent-based modelDordrecht: Springer NetherlandsWater Resources Management 27(1), p.275-291In practice, water pricing is the main economic instrument used to discourage the wasteful use of residential water. Owing to considerations of affordability, residential water is systematically underpriced because water is essential for life. Such a low price results in water being used inefficiently. This paper proposes a system that supplements the existing price system with a cap-and-trade measure to reconcile conflicts among the goals of residential water use. It forces all people (independent of income) to be faced with reasonable price signals and to use water efficiently. The poor could, however, gain from trade and aff
8 108/1 產經系 吳忠育 助理教授 期刊論文 發佈 The Analysis of Banking Efficiency in China: A Spatial Panel Data Approach , [108-1] :The Analysis of Banking Efficiency in China: A Spatial Panel Data Approach期刊論文The Analysis of Banking Efficiency in China: A Spatial Panel Data ApproachChung-Yu Wu; Chien-Hsun Chen; Chun-Hung Lin; Chao-Cheng Mairegional economic factors;government policies;cost and profit efficiency;China's banking industry;spatial econometric modelJournal of Quantitative Finance and Economics 1(2), p.85-109This paper explores whether increasing market competition in China under its current market system enables improving Chinese bank efficiency levels similar to those in capitalist countries. Spatial inequalityis considered in testing of bank efficiency. The empirical findings show that the Chinese government had to continually reform the banking industry in China to deal with foreign bank competition after China joined the WTO in 2001. Consequently, the cost and profit efficiency of the Chinese banking industry have progressed considerably. The extent of liberalization in a region enables cost reduct
9 109/1 資工系 葛煥昭 教授 期刊論文 發佈 An intrusion detection model using improved convolutional deep belief networks for wireless sensor networks , [109-1] :An intrusion detection model using improved convolutional deep belief networks for wireless sensor networks期刊論文An intrusion detection model using improved convolutional deep belief networks for wireless sensor networksWeimin Wen; Cuijuan Shang; Zaixiu Dong; Huan-Chao Keh; Diptendu Sinha Royintrusion detection;improved convolutional deep belief networks;redundancy detection;deeply compressed algorithm;wireless sensor networks;WSNsInternational Journal of Ad Hoc and Ubiquitous Computing 36(1), p.20-31Intrusion detection is a critical issue in the wireless sensor networks (WSNs), specifically for security applications. In literature, many classification algorithms have been applied to address the intrusion detection problems. However, their efficiency and scalability still need to be improved. This paper proposes an improved convolutional deep belief network-based intrusion detection model (ICDBN_IDM), which consists of a redundancy detection algorithm based on the convolutional deep bel
10 109/1 化材系 蘇鎮芳 助理教授 期刊論文 發佈 Enhancing electrochemical nitrate reduction toward dinitrogen selectivity on Sn-Pd bimetallic electrodes by surface structure design , [109-1] :Enhancing electrochemical nitrate reduction toward dinitrogen selectivity on Sn-Pd bimetallic electrodes by surface structure design期刊論文Enhancing electrochemical nitrate reduction toward dinitrogen selectivity on Sn-Pd bimetallic electrodes by surface structure designJenn Fang Su; Wei-Fan Kuan; Ching-Lung Chen; Chin-Pao HuangSn-Pd bimetallic electrode;Nitrate reduction;Dinitrogen selectivity;Surface structureApplied Catalysis A: General 606, 117809Bimetallic palladium (Pd) and tin (Sn) catalysts were electrochemically deposited on stainless steel mesh support by controlling the metal deposition sequence, total electrical charge, and metal composition. Results showed that the preparation procedure affected the crystal structure of bimetallic Pd-Sn catalysts, which significantly influenced nitrate removal efficiency and dinitrogen selectivity. Electrode with Sn on the outside surface exhibited relatively greater nitrate removal rate constant and nitrate conversion. The Sn to Pd molar rat
11 108/2 化材系 張 煖 教授 期刊論文 發佈 Increasing the device performance of recycling double-pass W-ribs solar air heaters , [108-2] :Increasing the device performance of recycling double-pass W-ribs solar air heaters期刊論文Increasing the device performance of recycling double-pass W-ribs solar air heatersHo, C.-D.; H. Chang; Z.-S. Hong; C.-C. Huang; Y.-H. Chenartificial W-ribs;Heat-transfer efficiency;Nusselt number;power consumption;recycling solar air heaterEnergies 13(9), 2133The device performance of recycling double-pass solar air heaters with W-ribs by machining on both sides of the absorber plate is investigated experimentally and theoretically. It is emphasized that in comparing various design configurations, they should be compared for the increase of power consumption suffered by the air passing through the collector under the same air mass flow rate and working dimensions. Compared to those of the single-pass and flat-plate double-pass device, both effects of the external recycle and the artificial W-ribs by machining enhance the collector thermal efficiency in this study. This study proposes an optimal desi
12 109/1 經濟系 陳怡宜 副教授 期刊論文 發佈 A hierarchical panel data stochastic frontier model for the estimation of stochastic metafrontiers , [109-1] :A hierarchical panel data stochastic frontier model for the estimation of stochastic metafrontiers期刊論文A hierarchical panel data stochastic frontier model for the estimation of stochastic metafrontiersChristine Amsler; Yi Yi Chen; Peter Schimdt; Hung Jen WangStochastic frontier;Panel data;Hierarchical model;Metafrontier;InefficiencyEmpirical EconomicsThis paper proposes a stochastic frontiermodel with three composed errors, and therefore six error components. As in the metafrontier literature, firms belong to groups with a group-specific frontier. A firm has a level of short-run and long-run inefficiency relative to its group-specific frontier, as in existing models with two composed errors and four error components. But now there is also a group-specific inefficiency, that is, a shortfall of the group-specific frontier from the best practice metafrontier. The paper shows how to estimate this model and how to extract predictions of the various inefficiencies.en1435-8921國外SSCI@@dd
13 109/1 國企系 林志鴻 教授 期刊論文 發佈 COVID-19 outbreak, government capital injections, and shadow banking efficiency , [109-1] :COVID-19 outbreak, government capital injections, and shadow banking efficiency期刊論文COVID-19 outbreak, government capital injections, and shadow banking efficiencyXuelian Li; Yuxin Xie; Jyh-Horng LinCOVID-19;shadow banking;government capital injection;efficiencyApplied Economics, 53(4), p. 495-505This paper investigates the effects of the novel coronavirus (COVID-19) outbreak and government capital injections on the bank’s optimal interest margin and the efficiency gain/loss from the shadow banking operations. The down-and-out call option approach is adapted to model the structural break in volatility to capture the COVID-19 outbreak. Results show that the COVID-19 outbreak reduces the optimal bank interest margin, government capital injections enhance the margin, and both the outbreak and capital injections harm the efficiency gain from shadow banking. COVID-19, as such, makes the bank more prone to risk-taking, thereby adversely affecting banking stability.en1466-4283國外SSCI;Jyh-
14 105/1 管科系 謝佳琳 副教授 期刊論文 發佈 Multi-objective evolutionary approach for supply chain network design problem within online customer consideration , [105-1] :Multi-objective evolutionary approach for supply chain network design problem within online customer consideration期刊論文Multi-objective evolutionary approach for supply chain network design problem within online customer considerationShu-Hsien Liao; Chia-Lin Hsieh; Wei-Chung HoSupply chain network design;location inventory problem;dual channel;multi-objective programming;evolutionary computationRAIRO Operations Research 51(1), p.135-155Supply chain network design is one of the most important strategic decisions that need to be optimized for long-term efficiency. Critical decisions include facility location, inventory, and transportation issues. This study proposes that with a dual-channel supply chain network design model, the traditional location-inventory problem should be extended to consider the vast amount of online customers at the strategic level, since the problem usually involves multiple and conflicting objectives. Therefore, a multi-objective dual-channel supply chain network
15 108/2 管科系 陳雪珍 助理教授 期刊論文 發佈 A Structured MPA Approach to Explore Technological Core Competence, Knowledge Flow, and Technology Development through Social Network Patentometrics. , [108-2] :A Structured MPA Approach to Explore Technological Core Competence, Knowledge Flow, and Technology Development through Social Network Patentometrics.期刊論文A Structured MPA Approach to Explore Technological Core Competence, Knowledge Flow, and Technology Development through Social Network Patentometrics.Kuei-Kuei Lai; Hsueh-Chen Chen; Yu-Hsin Chang; Vimal Kumar; Priyanka C. BhattKnowledge flow;Patentometrics;Core technological competency;main path analysis;Patent citation network;Thin-film photovoltaicJournal of Knowledge ManagementPurpose This study aims to propose a methodology by integrating three approaches, namely, internal core technology, external knowledge flow and industrial technology development to help companies improve their decision-making quality for technology planning and enhance their research and development (R&D) portfolio efficiency. Design/methodology/approach The primary focus of this study is thin-film solar technology and patent data is retrieved from the Uni
16 109/1 財金系 黃健銘 助理教授 期刊論文 發佈 Analysis on the Efficiency of Risk Management in the Chinese Listed Companies , [109-1] :Analysis on the Efficiency of Risk Management in the Chinese Listed Companies期刊論文Analysis on the Efficiency of Risk Management in the Chinese Listed CompaniesChien-Ming Huang; Wei Yang; Ren-Qing ZengRisk management efficiency;data envelopment analysis;information asymmetryMathematics 8(10), 1831Since a firm’s profitability is associated with a degree of risk taking, risk indicators have been extensively treated as exogenous variables and affected firm performance. The level of risk taking should be determined through internal control quality and firm-specific characteristics to effectively understand the relationship between risk management and firm performance. This study aims to investigate the effects of risk management efficiency on the production efficiency of Chinese listed companies from 2002 to 2016 using the two-step data envelopment analysis (DEA) approach. Empirical results indicate that risk management differs from traditional financial theory, which means that high-level r
17 104/1 會計系 王秀美 助理教授 期刊論文 發佈 An Evaluation of Technical Efficiencies for the Top 100 Public Accounting Firms in China , [104-1] :An Evaluation of Technical Efficiencies for the Top 100 Public Accounting Firms in China期刊論文An Evaluation of Technical Efficiencies for the Top 100 Public Accounting Firms in ChinaBao-Guang Chang; Tai-Hsin Huang; Hsiu-Mei WangChinese public accounting firms;input distance function;technical efficiency;returns to scale;merger and acquisitionInternational Journal of Information and Management Sciences 26(4), p.361-378This paper investigates the effect of a China’s government policy, which forces a public accounting firm to expand its production scale, on firms’ technical efficiency and economies of scale. We apply and estimate a standard input distance frontier using data on the top 100 Chinese accounting firms covering 2008-2009. We find that the larger the firm size is, the more technically efficient it is, thus justifying policy enforcement. Furthermore, economies of scale prevail in the top 100 accounting firms and are not exhausted, supporting that these firms keep extending their p
18 109/1 產經系 吳忠育 助理教授 期刊論文 發佈 Spatial Effects of Uneven Regional Development on the Efficiency of the Banking Industry in China , [109-1] :Spatial Effects of Uneven Regional Development on the Efficiency of the Banking Industry in China期刊論文Spatial Effects of Uneven Regional Development on the Efficiency of the Banking Industry in ChinaChung-Yu Wu; Chien-Hsun Chen; Chun-Hung Lin; Chao-Cheng MaiChina's uneven regional development;China's banking industry;Financial industry agglomeration;Spatial econometric analysis;Cost efficiency;Profit efficiencyJournal of Quantitative Finance and Economics 2(2), p.75-100The semiparametric geographically weighted regression (GWR) analysis showed that before the financial crisis, a higher degree of financial industry agglomeration enabled banks to benefit more from agglomeration economies, which led to the banks’ improved cost efficiency. The effect was particularly significant for Chongqing and nearby western region as well as for Beijing and the nearby Bohai Economic Rim. However, following the financial crisis, market size became essential for improving the banks' cost efficiency; such
19 109/1 水環系 陳俊成 副教授 期刊論文 發佈 Augmenting CO2 Absorption Flux through a Gas–Liquid Membrane Module by Inserting Carbon-Fiber Spacers , [109-1] :Augmenting CO2 Absorption Flux through a Gas–Liquid Membrane Module by Inserting Carbon-Fiber Spacers期刊論文Augmenting CO2 Absorption Flux through a Gas–Liquid Membrane Module by Inserting Carbon-Fiber SpacersLuke Chen; Chii-Dong Ho; Li-Yang Jen; Jun-Wei Lim; Yu-Han Chencarbon dioxide absorption;MEA solvent; mass transfer;Sherwood number;membraneMembranes 10(11), 302We investigated the insertion of eddy promoters into a parallel-plate gas–liquid polytetrafluoroethylene (PTFE) membrane contactor to effectively enhance carbon dioxide absorption through aqueous amine solutions (monoethanolamide—MEA). In this study, a theoretical model was established and experimental work was performed to predict and to compare carbon dioxide absorption efficiency under concurrent- and countercurrent-flow operations for various MEA feed flow rates, inlet CO2 concentrations, and channel design conditions. A Sherwood number’s correlated expression was formulated, incorporating experimental data to estima
20 109/1 產經系 林俊宏 教授 期刊論文 發佈 Spatial Effects of Uneven Regional Development on the Efficiency of the Banking Industry in China , [109-1] :Spatial Effects of Uneven Regional Development on the Efficiency of the Banking Industry in China期刊論文Spatial Effects of Uneven Regional Development on the Efficiency of the Banking Industry in ChinaChung-Yu Wu; Chien-Hsun Chen; Chun-Hung Lin; Chao-Cheng MaiChina's uneven regional development;China's banking industry;Financial industry agglomeration;Spatial econometric analysis;Cost efficiency;Profit efficiencyJournal of Quantitative Finance and Economics 2(2), p.75-100The semiparametric geographically weighted regression (GWR) analysis showed that before the financial crisis, a higher degree of financial industry agglomeration enabled banks to benefit more from agglomeration economies, which led to the banks' improved cost efficiency. The effect was particularly significant for Chongqing and nearby western region as well as for Beijing and the nearby Bohai Economic Rim. However, following the financial crisis, market size became essential for improving the banks' cost efficiency; such
21 109/1 化材系 何啟東 教授 期刊論文 發佈 Augmenting CO2 absorption flux through a gas-liquid membrane module by inserting carbon-fiber spacers , [109-1] :Augmenting CO2 absorption flux through a gas-liquid membrane module by inserting carbon-fiber spacers期刊論文Augmenting CO2 absorption flux through a gas-liquid membrane module by inserting carbon-fiber spacersLuke Chen; Chii-Dong Ho; Li-Yang Jen; Jun-Wei Lim; Yu-Han Chencarbon dioxide absorption;MEA solvent;mass transfer;Sherwood number;membrane contactor;concentration polarizationMembranes 10(11), 302We investigated the insertion of eddy promoters into a parallel-plate gas–liquid polytetrafluoroethylene (PTFE) membrane contactor to effectively enhance carbon dioxide absorption through aqueous amine solutions (monoethanolamide—MEA). In this study, a theoretical model was established and experimental work was performed to predict and to compare carbon dioxide absorption efficiency under concurrent- and countercurrent-flow operations for various MEA feed flow rates, inlet CO2 concentrations, and channel design conditions. A Sherwood number's correlated expression was formulated, incorporati
22 109/1 水環系 王聖瑋 助理教授 期刊論文 發佈 Brackish water desalination using reverse osmosis and capacitive deionization at the water-energy nexus , [109-1] :Brackish water desalination using reverse osmosis and capacitive deionization at the water-energy nexus期刊論文Brackish water desalination using reverse osmosis and capacitive deionization at the water-energy nexusShu-Yuan Pan; Andrew Z. Haddad; Arkadeep Kumar; Sheng-Wei WangElectrokinetics;Energy consumption;Water productivity;Brine utilization;Carbon footprint;HybridizationWater Research 183, 116064In this article, we present a critical review of the reported performance of reverse osmosis (RO) and capacitive deionization (CDI) for brackish water (salinity < 5.0 g/L) desalination from the aspects of engineering, energy, economy and environment. We first illustrate the criteria and the key performance indicators to evaluate the performance of brackish water desalination. We then systematically summarize technological information of RO and CDI, focusing on the effect of key parameters on desalination performance, as well as energy-water efficiency, economic costs and environmental impacts
23 109/1 水環系 李奇旺 教授 期刊論文 發佈 Effect of COD:N ratio on biological nitrogen removal using full-scale step-feed in municipal wastewater treatment plants , [109-1] :Effect of COD:N ratio on biological nitrogen removal using full-scale step-feed in municipal wastewater treatment plants期刊論文Effect of COD:N ratio on biological nitrogen removal using full-scale step-feed in municipal wastewater treatment plantsSupaporn Phanwilai; Pongsak Noophan; Chi-Wang Li; Kwang-Ho ChooBiological nitrogen removal;COD:N;Full-scale;Step-feedSustainable Environment Research 30, 24This study investigated the effect of low and high chemical oxygen demand (COD):N ratios on biological nitrogen removal and microbial distributions in full-scale step-feed (SF) municipal wastewater treatment plants (WWTPs) in Thailand (SF1) and Taiwan (SF2). The SF1 WWTP had a low COD:N (4:1) ratio, a long solids retention time (SRT) (> 60 d), and low dissolved oxygen (DO) conditions (0.2 mg L− 1 in anoxic tank and 0.9 mg L− 1 in aerobic tank). The total nitrogen (TN) removal efficiency was 48%. The SF2 WWTP had a high COD:N (10:1) ratio, a short SRT (7 d), and high DO (0.6 mg L− 1 in anoxic t
24 108/2 化學系 鄧金培 副教授 期刊論文 發佈 Enhancing Water-Splitting Efficiency Using a Zn/Sn-Doped PN Photoelectrode of Pseudocubic α–Fe2O3 Nanoparticles , [108-2] :Enhancing Water-Splitting Efficiency Using a Zn/Sn-Doped PN Photoelectrode of Pseudocubic α–Fe2O3 Nanoparticles期刊論文Enhancing Water-Splitting Efficiency Using a Zn/Sn-Doped PN Photoelectrode of Pseudocubic α–Fe2O3 NanoparticlesYang JX; Meng Y; Tseng CM; Huang YK; Lin TM; Wang YM; Deng JP; Wu HC; Hung WHPseudocubic α-Fe2O3;Water splitting;p-n junction;Solar energyNanoscale Research Letters 15, 130α-Phase hematite photoelectrodes can split water. This material is nontoxic, inexpensive, and chemically stable; its low energy gap of 2.3 eV absorbs light with wavelengths lower than 550 nm, accounting for approximately 30% of solar energy. Previously, we reported polyhedral pseudocubic α-Fe2O3 nanocrystals using a facile hydrothermal route to increase spatial charge separation, enhancing the photocurrent of photocatalytic activity in the water-splitting process. Here, we propose a p-n junction structure in the photoanode of pseudocubic α-Fe2O3 to improve short carrier diffusion length, which l
25 108/2 水環系 簡義杰 助理教授 期刊論文 發佈 A novel thermophilic anaerobic granular sludge membrane distillation bioreactor for wastewater reclamation , [108-2] :A novel thermophilic anaerobic granular sludge membrane distillation bioreactor for wastewater reclamation期刊論文A novel thermophilic anaerobic granular sludge membrane distillation bioreactor for wastewater reclamationChinh Cong Duong; Shiao-Shing Chen; Huy Quang Le; Hau-Ming Chang; Nguyen Cong Nguyen; Dan Thanh Ngoc Cao; I-Chieh ChienBioreactor;Thermophilic;Anaerobic granular sludge;Membrane distillation;Water reclamationEnvironmental Science and Pollution ResearchMembrane distillation (MD) has a high heat requirement. Integrating MD with thermophilic bioreactors could remedy this problem. A laboratory-scale thermophilic anaerobic granular sludge membrane distillation bioreactor (ThAGS-MDBR) was used to treat wastewater with a high organic loading rate (OLR). Waste heat from ThAGS was used directly for the MD process to reduce energy consumption. The result demonstrated that the ThAGS-MDBR system achieved a high-efficiency removal of chemical oxygen demand (more 99.5%) and NH4+-N (96.4%
26 106/2 資工系 林承賢 助理教授 期刊論文 發佈 An empirical study of efficiency evaluation with dynamic strategy trajectory based on DEA algorithm and BCG model: A case study of securities industry , [106-2] :An empirical study of efficiency evaluation with dynamic strategy trajectory based on DEA algorithm and BCG model: A case study of securities industry期刊論文An empirical study of efficiency evaluation with dynamic strategy trajectory based on DEA algorithm and BCG model: A case study of securities industryCheng-Shian Lin; Chun-Yueh LinFinancial Tsunami;Two-Stage Efficiency;DEA Numerical Method;BCG MatrixJournal of Social Sciences 14(1), p.91-106The U.S. Subprime Mortgage Crisis in 2008 led many financial institutions, including those in the securities industry, to the verge of bankruptcy. As the securities industry has a pivotal position in financial markets, this study aims to use Data Envelopment Analysis (DEA) to discuss the efficiency of the securities industry after the Financial Tsunami. In addition, this paper integrates the concept of the Boston Consulting Group (BCG) matrix to categorize the efficiency values of the two-stage DEA management strategy and analyze the strategy traje
27 106/1 資工系 林承賢 助理教授 期刊論文 發佈 An efficiency enhanced cluster expanding block algorithm for copy-move forgery detection , [106-1] :An efficiency enhanced cluster expanding block algorithm for copy-move forgery detection期刊論文An efficiency enhanced cluster expanding block algorithm for copy-move forgery detectionChien-Chang Chen; Han Wang; Cheng-Shian LinForgery duplication;Invariant moment;Mean;Variance;ClusteringMultimedia Tools and Applications 76(24), p.26503–26522The proposed scheme detects the copy-move forgery detection regions through the invariant features extracted from each block. First, an image is divided into overlapping blocks, and seven invariant moments of the maximum circle area in each block are calculated as moment features. Two clustering features, denoted by mean and variance of these seven moment features, are acquired for block comparison to reduce computation time. Therefore, the proposed scheme takes limited computation time because the seven moment features in each block are only compared to other blocks under the intersection of closed mean and variance features. The copy-move forgery regi
28 109/1 資工系 林其誼 副教授 期刊論文 發佈 A Low-Cost on-Street Parking Management System Based on Bluetooth Beacons , [109-1] :A Low-Cost on-Street Parking Management System Based on Bluetooth Beacons期刊論文A Low-Cost on-Street Parking Management System Based on Bluetooth BeaconsChi-Fang Chien; Hui-Tzu Chen; Chi-Yi LinBluetooth beacons;Kalman filter;received signal strength indicator;smart parkingSensors 20(16), 4559In recent years, many city governments around the world have begun to use information and communication technology to increase the management efficiency of on-street parking. Among various experimental smart parking projects, deployment of wireless magnetic sensors and smart parking meters are quite common. However, using wireless magnetic sensors can only detect the occupancy of parking spaces without the knowledge of who are currently using these parking spaces; human labor is still needed to issue the parking bills. In contrast, smart parking meters based on image recognition can detect the occupancy of parking spaces along with the license plate numbers, but the cost of deploying smart parking met
29 108/2 化材系 許世杰 副教授 期刊論文 發佈 Novel Patterned Sapphire Substrates for Enhancing the Efficiency of GaN-based Light-emitting Diodes , [108-2] :Novel Patterned Sapphire Substrates for Enhancing the Efficiency of GaN-based Light-emitting Diodes期刊論文Novel Patterned Sapphire Substrates for Enhancing the Efficiency of GaN-based Light-emitting DiodesSzu-Han Chao; Li-Hsien Yeh; Rudder T. Wu; Kyoko Kawagishi; Shih-Chieh HsuRSC Advances 10(28), 16284-16290In this study, a novel patterned sapphire substrate (PSS) was used to obtain mesa-type light-emitting diodes (LED), which can efficiently reduce the threading dislocation densities. Silicon nitride (Si3N4) was used as a barrier to form the PSS, replacing the commonly used silicon dioxide (SiO2). The refractive index of Si3N4 is 2.02, which falls between those of sapphire (1.78) and GaN (2.4), so it can be used as a gradient refractive index (GRI) material, enhancing the light extraction efficiency (LEE) of light-emitting diodes. The simulation and experimental results obtained indicate that the LEE is enhanced compared with the conventional PSS-LED. After re-growing, we observed that
30 107/2 電機系 楊維斌 副教授 期刊論文 發佈 A Fast Transient Response and High Current Efficiency Output-Capacitorless Low Dropout Regulator for Low-Power SoC Applications , [107-2] :A Fast Transient Response and High Current Efficiency Output-Capacitorless Low Dropout Regulator for Low-Power SoC Applications期刊論文A Fast Transient Response and High Current Efficiency Output-Capacitorless Low Dropout Regulator for Low-Power SoC ApplicationsWei-Bin Yang, Yu-Hsin Li, Cheng-Yang Yu, Yu-Lung LoJapanese Journal of Applied Physics 58, SBBL01(10 pages)This paper presents an output capacitor-less low-dropout regulator (LDO) with a fast transient response and high current efficiency. The proposed slew rate enhancement circuit is activated only when the output voltage is instantaneously changed due to the transient of the load current. This method cannot only instantaneously increase the bias current source current for rapid output voltage recovery in order to enhance the load regulation but also reduce power consumption. The proposed LDO was fabricated using the standard 0.18 μm CMOS process. Measurement results revealed that the proposed LDO can operate from 1.2 to 1.8 V at a
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