學年
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108 |
學期
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1 |
出版(發表)日期
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2019-10-01 |
作品名稱
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Sandwich-Nanostructured n-Cu₂O/AuAg/p-Cu₂O Photocathode with Highly Positive Onset Potential for Improved Water Reduction |
作品名稱(其他語言)
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著者
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Yu-Chang Lin, Liang-Ching Hsu, Chia-Yu Lin, Chao-Lung Chiang, Che-Min Chou, Wen-Wei Wu, San-Yuan Chen, Yan-Gu Lin |
單位
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出版者
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著錄名稱、卷期、頁數
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ACS Applied Materials & Interfaces, 11, 42, 38625–38632 |
摘要
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An n-Cu2O layer formed a high-quality buried junction with p-Cu2O to increase the photovoltage and thus to shift the turn-on voltage positively. Mott–Schottky measurements confirmed that the improvement benefited from a positive shift in flat-band potential. The obtained extremely positive onset potential, 0.8 VRHE in n-Cu2O/AuAg/p-Cu2O, is comparable with measurements from water reduction catalysts. The AuAg alloy sandwiched between the homojunction of n-Cu2O and p-Cu2O improved the photocatalytic performance. This alloy both served as an electron relay and promoted electron-hole pair generation in nearby semiconductors; the charge transfer between n-Cu2O and p-Cu2O in the sandwich structure was measured with X-ray absorption spectra. The proposed sandwich structure can be considered as a new direction for the design of efficient solar-related devices. |
關鍵字
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Solar water splitting, Sandwich structure, Copper(I) oxide, Photocathode, Localized surface plasmon resonance |
語言
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en_US |
ISSN
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期刊性質
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國外 |
收錄於
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SCI
SSCI
Scopus
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產學合作
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通訊作者
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San-Yuan Chen & Yan-Gu Lin |
審稿制度
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是 |
國別
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USA |
公開徵稿
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出版型式
|
,電子版 |
SDGS
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可負擔的潔淨能源,產業創新與基礎設施
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