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Strong Photocurrent Enhancements in Highly Efficient Flexible Organic Solar Cells by Adopting a Microcavity Configuration
Author(s) -
Chen KungShih,
Yip HinLap,
Salinas JoséFrancisco,
Xu YunXiang,
Chueh ChuChen,
Jen Alex K.Y.
Publication year - 2014
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.201306323
Subject(s) - photocurrent , materials science , organic solar cell , optoelectronics , organic semiconductor , energy conversion efficiency , absorption (acoustics) , electrode , solar cell , hybrid solar cell , semiconductor , polymer solar cell , polymer , chemistry , composite material
Organic solar cells often show inefficient light harvesting due to a short absorption path length limited by the low charge mobility of organic semiconductors. We demonstrate a flexible organic solar cell in a microcavity configuration using a TeO 2 /Ag semitransparent electrode to confine the optical field within the device with significant performance improvements and reaching a power conversion efficiency of 8.56%.