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Ultra‐Low Work Function Transparent Electrodes Achieved by Naturally Occurring Biomaterials for Organic Optoelectronic Devices
Author(s) -
Deng Xianyu,
Nie Riming,
Li Aiyuan,
Wei Huaixin,
Zheng Shizhao,
Huang Wenbo,
Mo Yueqi,
Su Yaorong,
Wang Qiankun,
Li Yanqing,
Tang Jianxin,
Xu Jianbin,
Wong Kingyoung
Publication year - 2014
Publication title -
advanced materials interfaces
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.671
H-Index - 65
ISSN - 2196-7350
DOI - 10.1002/admi.201400215
Subject(s) - indium tin oxide , materials science , work function , oled , cathode , optoelectronics , electrode , organic solar cell , function (biology) , nanotechnology , electrical engineering , thin film , physics , layer (electronics) , engineering , evolutionary biology , composite material , biology , polymer , quantum mechanics
Amino acids, as ubiquitous biological compounds, are effective in surface modification of indium tin oxide (ITO). The modified ITO reveals a work function decrease by up to 2.2 eV (i.e., from 4.7 eV to 2.5 eV), which makes the ITO a stable, transparent, and widley used cathode in organic optoelectronic devices, such as organic solar cells and light‐emitting diodes.