Journal
IEEE ELECTRON DEVICE LETTERS
Volume 30, Issue 7, Pages 727-729Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LED.2009.2022345
Keywords
Energy resources; flexible structures; photovoltaic cells; polymers
Categories
Funding
- National Science Council [NSC 97-ET-7-009-004-ET]
- Ministry of Economic Affairs [97-EC-17-A-08-S1-015]
- Ministry of Education
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We have prepared top-illuminated organic photovoltaic devices on stainless-steel substrates, using molybdenum trioxide/indium tin oxide as the transparent top electrode. Incorporating an Al counter electrode grid having a shadow fraction of 10% effectively reduced the device resistance, thereby enhancing the power conversion efficiency to ca. 3%. This device exhibited superior mechanical flexibility. The inverted device architecture eliminated the need to use low-work-function metals, which are air sensitive and easily oxidized, thereby improving the air stability of the flexible devices.
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