Fused aromatic thienopyrazines: structure, properties and function

Handle URI:
http://hdl.handle.net/10754/598391
Title:
Fused aromatic thienopyrazines: structure, properties and function
Authors:
Mondal, Rajib; Ko, Sangwon; Bao, Zhenan
Abstract:
Recent development of a fused aromatic thieno[3.4-b]pyrazine system and their application in optoelectronic devices are reviewed. Introduction of a fused aromatic unit followed by side chain engineering, dramatically enhanced the charge carrier mobility in thin film transistor devices and mobilities up to 0.2 cm2/Vs were achieved. The optoelectronic properties of these fused aromatic thienopyrazine polymers (Eg = 1.3 to 1.6 eV, HOMO = -4.9 to -5.2 V) were tuned by introduction of various fused aromatic rings within thienopyrazine. By balancing the fundamental properties of these polymers, both high charge carrier mobilities and moderate PCEs in solar cells were achieved. Further, effects of copolymerizing units are discussed. Low band gap semiconducting polymer (Eg ∼ 1 eV) with high field effect mobility (0.044 cm2/Vs) was obtained using cyclopentadithiophene as copolymerizing unit. Finally, a molecular design approach to enhance the absorption coefficients is discussed, which resulted in improved power conversion efficiency in bulk heterojunction solar cells. © 2010 The Royal Society of Chemistry.
Citation:
Mondal R, Ko S, Bao Z (2010) Fused aromatic thienopyrazines: structure, properties and function. J Mater Chem 20: 10568. Available: http://dx.doi.org/10.1039/c0jm01840f.
Publisher:
Royal Society of Chemistry (RSC)
Journal:
Journal of Materials Chemistry
KAUST Grant Number:
KUS-C1-015-21
Issue Date:
2010
DOI:
10.1039/c0jm01840f
Type:
Article
ISSN:
0959-9428; 1364-5501
Sponsors:
This publication was partially based on work supported by the Center for Advanced Molecular Photovoltaics, Award No KUS-C1-015-21, made by King Abdullah University of Science and Technology (KAUST). We also acknowledge the help of Michael F. Toney, Jean-Luc Brédas, Michael D. McGehee, Eric Verploegen and Anatoliy N. Sokolov.
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Publications Acknowledging KAUST Support

Full metadata record

DC FieldValue Language
dc.contributor.authorMondal, Rajiben
dc.contributor.authorKo, Sangwonen
dc.contributor.authorBao, Zhenanen
dc.date.accessioned2016-02-25T13:19:55Zen
dc.date.available2016-02-25T13:19:55Zen
dc.date.issued2010en
dc.identifier.citationMondal R, Ko S, Bao Z (2010) Fused aromatic thienopyrazines: structure, properties and function. J Mater Chem 20: 10568. Available: http://dx.doi.org/10.1039/c0jm01840f.en
dc.identifier.issn0959-9428en
dc.identifier.issn1364-5501en
dc.identifier.doi10.1039/c0jm01840fen
dc.identifier.urihttp://hdl.handle.net/10754/598391en
dc.description.abstractRecent development of a fused aromatic thieno[3.4-b]pyrazine system and their application in optoelectronic devices are reviewed. Introduction of a fused aromatic unit followed by side chain engineering, dramatically enhanced the charge carrier mobility in thin film transistor devices and mobilities up to 0.2 cm2/Vs were achieved. The optoelectronic properties of these fused aromatic thienopyrazine polymers (Eg = 1.3 to 1.6 eV, HOMO = -4.9 to -5.2 V) were tuned by introduction of various fused aromatic rings within thienopyrazine. By balancing the fundamental properties of these polymers, both high charge carrier mobilities and moderate PCEs in solar cells were achieved. Further, effects of copolymerizing units are discussed. Low band gap semiconducting polymer (Eg ∼ 1 eV) with high field effect mobility (0.044 cm2/Vs) was obtained using cyclopentadithiophene as copolymerizing unit. Finally, a molecular design approach to enhance the absorption coefficients is discussed, which resulted in improved power conversion efficiency in bulk heterojunction solar cells. © 2010 The Royal Society of Chemistry.en
dc.description.sponsorshipThis publication was partially based on work supported by the Center for Advanced Molecular Photovoltaics, Award No KUS-C1-015-21, made by King Abdullah University of Science and Technology (KAUST). We also acknowledge the help of Michael F. Toney, Jean-Luc Brédas, Michael D. McGehee, Eric Verploegen and Anatoliy N. Sokolov.en
dc.publisherRoyal Society of Chemistry (RSC)en
dc.titleFused aromatic thienopyrazines: structure, properties and functionen
dc.typeArticleen
dc.identifier.journalJournal of Materials Chemistryen
dc.contributor.institutionStanford University, Palo Alto, United Statesen
kaust.grant.numberKUS-C1-015-21en
kaust.grant.fundedcenterCenter for Advanced Molecular Photovoltaics (CAMP)en
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