Asymmetric Fluorinated Cyclopenta [2, 1‐b: 3, 4‐b'] Dithiophene‐Based Hole‐Transporting Materials for Perovskite Solar Cell
學年 113
學期 2
出版（發表）日期 2025-06-17
作品名稱 Asymmetric Fluorinated Cyclopenta [2, 1‐b: 3, 4‐b'] Dithiophene‐Based Hole‐Transporting Materials for Perovskite Solar Cell
作品名稱（其他語言） 英文
著者 Kun‐Mu Lee, Jui‐Ting Pan, Wen‐Tzu Chen, Chia‐Hui Lin, Zhe‐Wei Wang, Wei‐Hao Chiu, Wei‐Chen Chu, Ya‐Ho Chang, Jen‐Fu Hsu, Sie‐Rong Li, Shih‐I Lu, Hsiao‐Chi Hsieh, Chih‐Wei Hu, Chih‐Hung Chen, Jian‐Ming Chiu, Kang‐Ling Liau, Gao Chen, Yun‐Shuo Liu, Shih‐Sheng Sun, Yan‐Duo Lin
單位
出版者
著錄名稱、卷期、頁數 Chemistry–An Asian Journal, Volume20, Issue17, e00719
摘要 A series of asymmetric hole-transporting materials (HTMs) based on cyclopenta[2,1-b;3,4-b’]dithiophene cores tethered with p-methoxytriphenylamines donor units with or without incorporated fluorine atoms were rationally designed, synthesized, and employed in perovskite solar cells (PSCs). A comprehensive comparison is conducted encompassing the absorption spectra, electrochemical characteristics, thermal stability, density functional theory (DFT) calculations, hole mobility, and surface morphology, as revealed by scanning electron microscopy (SEM) and atomic force microscopy (AFM), steady-state and time-resolved photoluminescence measurements, water contact angle analyzes, and photovoltaic parameters of the PSCs. The fluorinated HTMs, P-oF and P-mF, demonstrated enhanced hole mobility and more efficient charge extraction at the perovskite/HTM interface compared to their non-fluorinated counterpart. Consequently, PSCs employing P-oF and P-mF achieved power conversion efficiencies (PCEs) of 21.52% and 19.78%, respectively, with negligible hysteresis, outperforming devices based on P-H, which exhibited a PCE of 17.05%. Moreover, the operational stability of the device incorporating P-series as the HTM exceeded that of the PSCs employing the benchmark material of spiro-OMeTAD. The findings presented herein underscore the facile accessibility and potential of asymmetric compounds as alternative HTMs for PSCs. The results provide valuable insights and serve as a reference for the development of optimal HTMs for PSCs.
關鍵字
語言 en
ISSN
期刊性質 國外
收錄於 SCI
產學合作
通訊作者 Kun-Mu Lee, Shih-I Lu, Hsiao-Chi Hsieh, Shih-Sheng Sun, Yan-Duo Lin
審稿制度 否
國別 TWN
公開徵稿
出版型式 ,電子版