TITLE

Embedded indium-tin-oxide nanoelectrodes for efficiency and lifetime enhancement of polymer-based solar cells

AUTHOR(S)
Peichen Yu; Chia-Hua Chang; Ming-Shin Su; Min-Hsiang Hsu; Kung-Hwa Wei
PUB. DATE
April 2010
SOURCE
Applied Physics Letters;4/12/2010, Vol. 96 Issue 15, p153307
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this paper, distinctive indium-tin-oxide (ITO) nanorods are employed to serve as buried electrodes for polymer-based solar cells. The embedded nanoelectrodes allow three-dimensional conducting pathways for low-mobility holes, offering a highly scaffolded cell architecture in addition to bulk heterojunctions. As a result, the power conversion efficiency of a polymer cell with ITO nanoelectrodes is increased to about 3.4% and 4.4% under one-sun and five-sun illumination conditions, respectively, representing an enhancement factor of up to ∼10% and 36% compared to a conventional counterpart. Also, the corresponding device lifetime is prolonged twice as much to about 110 min under five-sun illumination.
ACCESSION #
49193269

 

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