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An Indium‐Free Low Work Function Window Electrode for Organic Photovoltaics Which Improves with In‐Situ Oxidation
Author(s) -
Hutter Oliver S.,
Stec Helena M.,
Hatton Ross A.
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201203280
Subject(s) - materials science , electrode , organic solar cell , work function , photovoltaics , indium , in situ , optoelectronics , nanotechnology , oxide , indium tin oxide , polymer solar cell , heterojunction , chemical engineering , solar cell , photovoltaic system , thin film , polymer , composite material , metallurgy , chemistry , electrical engineering , organic chemistry , layer (electronics) , engineering
A low‐cost window electrode for organic photovoltaics that simultaneously removes the requirement for conducting oxide and conventional low work function electrodes and functions as a sink for oxygen/water in the heart of the device. Remarkably the functionality of this electrode, which is based on a 7.8 nm nanostructured Cu:Al film, improves upon in situ oxidation as demonstrated in bulk heterojunction organic photovoltaics.
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