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Morphology control of solution processable small molecule bulk heterojunction solar cellsviasolvent additives

Author(s)
Park, Jin KuenKim, ChunkiWalker, BrightNguyen, Thuc-QuyenSeo, Jung Hwa
Issued Date
2012-03
DOI
10.1039/C2RA01182D
URI
https://scholarworks.unist.ac.kr/handle/201301/22725
Fulltext
http://pubs.rsc.org/en/Content/ArticleLanding/2012/RA/c2ra01182d#!divAbstract
Citation
RSC ADVANCES, v.2, no.6, pp.2232 - 2234
Abstract
A new donor-acceptor type small molecule with dithienothiophene and diketopyrrolopyrrole units has been synthesized for application in organic solar cells. In order to optimize the nanoscale morphology of the small molecule solar cells, additives such as 1,8-diiodooctane (DIO) and 1-chloronaphthalene (CN) are used. The use of CN significantly suppresses molecular aggregation and allows suitable phase separation, enhancing power conversion efficiency from 0.5% to 2.2%.
Publisher
ROYAL SOC CHEMISTRY
ISSN
2046-2069

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