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Kwon, Tae-Hyuk
Energy Recognition
Research Interests
  • Energy transfer, organic solar cells, supercapacitor, ultrasonic spray chemistry, dithienothiophene, iridium complexes, phosphorescent bioapplications

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Dithienothiophene (DTT)-Based Dyes for Dye-Sensitized Solar Cells: Synthesis of 2,6-Dibromo-DTT

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Title
Dithienothiophene (DTT)-Based Dyes for Dye-Sensitized Solar Cells: Synthesis of 2,6-Dibromo-DTT
Author
Kwon, Tae-HyukArmel, VanessaNattestad, AndrewMacFarlane, Douglas R.Bach, UdoLind, Samuel J.Gordon, Keith C.Tang, WeihuaJones, David J.Holmes, Andrew B.
Keywords
STRUCTURE-PROPERTY RELATIONSHIPS; THIN-FILM TRANSISTORS; HIGH-PERFORMANCE; ORGANIC-DYES; EFFICIENT; BROMODECARBOXYLATION; ACIDS; UNIT
Issue Date
2011-05
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF ORGANIC CHEMISTRY, v.76, no.10, pp.4088 - 4093
Abstract
A one-pot synthesis of 2,6-dibromodithieno [3,2-b;2', 3'-d]thiophene (dibromo-DTT, 4) was developed. A key step was bromo-decarboxylation of DTT-2,6-dicarboxylic acid, obtained by saponification of the diester 1. The donor-acceptor dye DAHTDTT (13), based on a central 2,6-bis[2'-(3'-hexylthienyl)]dithieno[3,2-b;2',3'-d]thiophene core (9), was prepared and incorporated in a dye-sensitized solar cell (DSC), which exhibited an energy conversion efficiency of 7.3% with V(oc) of 697 mV, J(sc) or 14.4 mA/cm(2), and ff of 0.73 at 1 sun.
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DOI
10.1021/jo2001484
ISSN
0022-3263
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PHY_Journal Papers
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