ThienoACHTUNGTRENUNG[ 3,4-c] pyrrole-4,6-dione-Based Small Molecules for Highly Efficient Solution-Processed Organic Solar Cells
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- Title
- ThienoACHTUNGTRENUNG[ 3,4-c] pyrrole-4,6-dione-Based Small Molecules for Highly Efficient Solution-Processed Organic Solar Cells
- Authors
- Ha, JJ; Kim, YJ; Park, JG; An, TK; Kwon, SK; Park, CE; Kim, YH
- Date Issued
- 2014-04
- Publisher
- WILEY-V C H VERLAG GMBH
- Abstract
- Two small molecules named BT-TPD and TBDT-TTPD with a thieno[3,4-c]pyrrole-4,6-dione (TPD) unit were designed and synthesized for solution-processed bulk-heterojunction solar cells. Their thermal, electrochemical, optical, charge-transport, and photovoltaic characteristics were investigated. These compounds exhibit strong absorption at 460-560nm and low highest occupied molecular orbital levels (-5.36eV). Field-effect hole mobilities of these compounds are 1.7-7.7x10(-3)cm(2)V(-1)s(-1). Small-molecule organic solar cells based on blends of these donor molecules and a acceptor display power conversion efficiencies as high as 4.62% under the illumination of AM 1.5G, 100mWcm(-2).
- Keywords
- bulk heterojunction; charge transfer; energy conversion; solar cells; small molecules; POWER CONVERSION EFFICIENCY; THIN-FILM TRANSISTORS; OPEN-CIRCUIT VOLTAGE; POLYMER; ENERGY; BENZOTHIADIAZOLE; BENZODITHIOPHENE; SEMICONDUCTORS; PHOTOVOLTAICS; DERIVATIVES
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/14095
- DOI
- 10.1002/ASIA.201301357
- ISSN
- 1861-4728
- Article Type
- Article
- Citation
- CHEMISTRY-AN ASIAN JOURNAL, vol. 9, no. 4, page. 1045 - 1053, 2014-04
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