Effects of n-type perylene derivative as an additive on the power conversion efficiencies of polymer solar cells

The synthesized n-type perylene derivative, N, N′-bis-(5-bromopyridine-2-yl)-1,6,7,12-tetrakis(4-n-butoxyphenoxy)-3,4,9,10-perylene tetracarboxydiimide (PPyB), was applied to polymer solar cells as an additive in P3HT [poly(3-hexylthiophene)]:PCBM [[6,6]-phenyl C 61-butyric acid methyl ester] blend...

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Bibliographic Details
Published in:Synthetic metals 2010-10, Vol.160 (19), p.2109-2115
Main Authors: Jeong, Seonju, Han, Yoon Soo, Kwon, Younghwan, Choi, Myung-Seok, Cho, Gwijeong, Kim, Ki-Soo, Kim, Youngkyoo
Format: Article
Language:English
Subjects:
Additive
Additives
Application fields
Applied sciences
Conversion
Derivatives
Electron mobility
Energy
Esters
Exact sciences and technology
Natural energy
P3HT
PCBM
Perylene derivative
Photovoltaic cells
Photovoltaic conversion
Polymer industry, paints, wood
Polymer solar cell
Solar cells
Solar cells. Photoelectrochemical cells
Solar energy
Solar power generation
Technology of polymers
X-rays
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Summary:The synthesized n-type perylene derivative, N, N′-bis-(5-bromopyridine-2-yl)-1,6,7,12-tetrakis(4-n-butoxyphenoxy)-3,4,9,10-perylene tetracarboxydiimide (PPyB), was applied to polymer solar cells as an additive in P3HT [poly(3-hexylthiophene)]:PCBM [[6,6]-phenyl C 61-butyric acid methyl ester] blend films. The addition of 1 wt% PPyB into a P3HT:PCBM layer led to a considerable improvement of over 70% in power conversion efficiency due to the enhanced short circuit current when compared with that of reference cell without an additive. Photoluminescence, X-ray measurements and carrier mobility studies revealed that the perylene additives increased electron mobility and contributed to more effective exciton dissociation due to the presence of the additive, PPyB, in the interfaces between the P3HT and PCBM domains.
ISSN:0379-6779
1879-3290
DOI:10.1016/j.synthmet.2010.07.040