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Park, Lee Soon
School of Materials Science and Engineering
Research Interests
  • Flexible OLED new materials, process and fabrication

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Enhanced Power Conversion Efficiency of Polymer Solar Cells Through the Use of 4-Fluorobenzonitrile as an Additive

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Title
Enhanced Power Conversion Efficiency of Polymer Solar Cells Through the Use of 4-Fluorobenzonitrile as an Additive
Author
Woo, SunghoKwon, Hyeok YongJeong, SeonjuLee, Sang JuPark, Lee SoonKim, YoungkyooHan, Yoon Soo
Keywords
PHOTOVOLTAIC CELLS;  INTERPENETRATING NETWORK;  MORPHOLOGY;  POLY(3-HEXYLTHIOPHENE);  METHANOFULLERENES;  PERFORMANCE;  FILMS;  4-Fluorobenzonitrile;  Additive;  Thermal Annealing;  Polymer Solar Cell;  P3HT;  PCBM
Issue Date
201108
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS, v.6, no.3, pp.338 - 342
Abstract
In this work, 4-fluorobenzonitrile (4-FBN) was introduced as a new additive compound into the photoactive layer of a polymer solar cell (PSC) based on a poly(3-hexylthiophene):[6,6]-phenyl-C-61-butyric acid methyl ester (P3HT:PCBM) blend system. The incorporation of 4-FBN allowed both increased light absorption (pi-pi* transition efficiency) in the visible region and enhanced X-ray diffraction peak of (100), which is attributed to the enhanced crystallinity of the P3HT chains, leading to a higher short-circuit current (J(sc)) and fill factor (FF). Thus, the overall efficiency of the annealed PSCs was considerably improved from 3.57% (without 4-FBN) to 4.41% (with 4-FBN)
URI
http://scholarworks.unist.ac.kr/handle/201301/17013
DOI
http://dx.doi.org/10.1166/jno.2011.1181
ISSN
1555-130X
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MSE_Journal Papers
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