TITLE

All-polymer solar cells based on a blend of poly[3-(10-n-octyl-3-phenothiazine-vinylene)thiophene-co-2,5-thiophene] and poly[1,4-dioctyloxyl-p-2,5-dicyanophenylenevinylene]

AUTHOR(S)
Guangyi Sang; Yingping Zou; Yu Huang; Guangjin Zhao; Yi Yang; Yongfang Li
PUB. DATE
May 2009
SOURCE
Applied Physics Letters;5/11/2009, Vol. 94 Issue 19, p193302
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report all-polymer solar cells (PSCs) based on a polymer blend of poly[3-(10-n-octyl-3-phenothiazine-vinylene)thiophene-co-2,5-thiophene] as donor and poly[1,4-dioctyloxyl-p-2,5-dicyanophenylenevinylene] as acceptor. Strong photoluminescence quenching is observed in the polymer blend indicating the photoinduced charge transfer occurs between the two polymers. The power conversion efficiency of the PSC was improved from 0.41% to 0.8% after 120 °C postannealing, under the illumination of AM 1.5, 100 mW/cm2. We attribute the improved efficiency to better morphological features of the photoactive layer after thermal annealing.
ACCESSION #
39785852

 

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