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Article: Tuning the electronic properties of conjugated polymer by tethering low-bandgap rhenium(I) complex on the main chain
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TitleTuning the electronic properties of conjugated polymer by tethering low-bandgap rhenium(I) complex on the main chain
 
AuthorsMak, CSK1
Leung, QY1
Li, CHO1
Chan, WK1
 
KeywordsCharge transfer
Conjugated polymers
Low bandgap
Metal-containing polymers
Metal-polymer complexes
Pendant
Photophysics
Rhenium(i)
 
Issue Date2010
 
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/36444
 
CitationJournal Of Polymer Science, Part A: Polymer Chemistry, 2010, v. 48 n. 11, p. 2311-2319 [How to Cite?]
DOI: http://dx.doi.org/10.1002/pola.23996
 
AbstractLow-bandgap rhenium(I) complex with absorption onset at 795 nm in solution was tethered onto π-conjugated polymer. The conjugated copolymer provides solution processability of the metallopolymer, and the pendant allows the low energy-absorbing Re(I) complex units to be evenly distributed on the thin film. The copolymer tethered with low-bandgap rhenium complex was synthesized by Suzuki cross-coupling reaction. The metal-free polymer (poly-1) tethered with functionalized intramolecular charge transfer dye, 2-phenyl-3-pyridin-2-yl-5,7- di-2-thienylthieno[3,4-b]pyrazine, exhibited high molecular weight, good film-forming properties, and excellent solution processability. The pendants of the conjugated polymer possess donor-acceptor characters and broaden the absorption band. These pendants can function as bidentate ligands for metal chelation. The solubilizing groups on the monomers provide good solubility to the polymer even with high content of metal chelation. Upon the complexation with rhenium(I) pentacarbonyl chloride, the absorption spectrum of the resulting metallopolymer was further extended toward the near-infrared region. Photovoltaic performances based on this metallopolymer have been studied. The design approach of these metallopolymers provides synthetic feasibility for coordinating wide range of metal ions on the pendant, and the resulting low-bandgap polymer can be a potential candidate for light harvesting material in solar cell applications. © 2010 Wiley Periodicals, Inc.
 
ISSN0887-624X
2013 Impact Factor: 3.245
 
DOIhttp://dx.doi.org/10.1002/pola.23996
 
ISI Accession Number IDWOS:000278154700005
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative Region, ChinaHKU 7008/07P
HKU 7005/08P
University Development Fund
Strategic Research Theme
Small Project Fund
Funding Information:

The project was supported by the Research Grants Council of the Hong Kong Special Administrative Region, China (project nos. HKU 7008/07P and 7005/08P). Financial support from the University Development Fund, Strategic Research Theme, and Small Project Fund (administrated by The University of Hong Kong) is also acknowledged.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorMak, CSK
 
dc.contributor.authorLeung, QY
 
dc.contributor.authorLi, CHO
 
dc.contributor.authorChan, WK
 
dc.date.accessioned2010-09-06T06:11:21Z
 
dc.date.available2010-09-06T06:11:21Z
 
dc.date.issued2010
 
dc.description.abstractLow-bandgap rhenium(I) complex with absorption onset at 795 nm in solution was tethered onto π-conjugated polymer. The conjugated copolymer provides solution processability of the metallopolymer, and the pendant allows the low energy-absorbing Re(I) complex units to be evenly distributed on the thin film. The copolymer tethered with low-bandgap rhenium complex was synthesized by Suzuki cross-coupling reaction. The metal-free polymer (poly-1) tethered with functionalized intramolecular charge transfer dye, 2-phenyl-3-pyridin-2-yl-5,7- di-2-thienylthieno[3,4-b]pyrazine, exhibited high molecular weight, good film-forming properties, and excellent solution processability. The pendants of the conjugated polymer possess donor-acceptor characters and broaden the absorption band. These pendants can function as bidentate ligands for metal chelation. The solubilizing groups on the monomers provide good solubility to the polymer even with high content of metal chelation. Upon the complexation with rhenium(I) pentacarbonyl chloride, the absorption spectrum of the resulting metallopolymer was further extended toward the near-infrared region. Photovoltaic performances based on this metallopolymer have been studied. The design approach of these metallopolymers provides synthetic feasibility for coordinating wide range of metal ions on the pendant, and the resulting low-bandgap polymer can be a potential candidate for light harvesting material in solar cell applications. © 2010 Wiley Periodicals, Inc.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationJournal Of Polymer Science, Part A: Polymer Chemistry, 2010, v. 48 n. 11, p. 2311-2319 [How to Cite?]
DOI: http://dx.doi.org/10.1002/pola.23996
 
dc.identifier.doihttp://dx.doi.org/10.1002/pola.23996
 
dc.identifier.epage2319
 
dc.identifier.hkuros170071
 
dc.identifier.isiWOS:000278154700005
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative Region, ChinaHKU 7008/07P
HKU 7005/08P
University Development Fund
Strategic Research Theme
Small Project Fund
Funding Information:

The project was supported by the Research Grants Council of the Hong Kong Special Administrative Region, China (project nos. HKU 7008/07P and 7005/08P). Financial support from the University Development Fund, Strategic Research Theme, and Small Project Fund (administrated by The University of Hong Kong) is also acknowledged.

 
dc.identifier.issn0887-624X
2013 Impact Factor: 3.245
 
dc.identifier.issue11
 
dc.identifier.scopuseid_2-s2.0-77952137347
 
dc.identifier.spage2311
 
dc.identifier.urihttp://hdl.handle.net/10722/69186
 
dc.identifier.volume48
 
dc.languageeng
 
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/36444
 
dc.publisher.placeUnited States
 
dc.relation.ispartofJournal of Polymer Science, Part A: Polymer Chemistry
 
dc.relation.referencesReferences in Scopus
 
dc.rightsJournal of Polymer Science Part A, Polymer chemistry. Copyright © John Wiley & Sons, Inc.
 
dc.subjectCharge transfer
 
dc.subjectConjugated polymers
 
dc.subjectLow bandgap
 
dc.subjectMetal-containing polymers
 
dc.subjectMetal-polymer complexes
 
dc.subjectPendant
 
dc.subjectPhotophysics
 
dc.subjectRhenium(i)
 
dc.titleTuning the electronic properties of conjugated polymer by tethering low-bandgap rhenium(I) complex on the main chain
 
dc.typeArticle
 
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<description.abstract>Low-bandgap rhenium(I) complex with absorption onset at 795 nm in solution was tethered onto &#960;-conjugated polymer. The conjugated copolymer provides solution processability of the metallopolymer, and the pendant allows the low energy-absorbing Re(I) complex units to be evenly distributed on the thin film. The copolymer tethered with low-bandgap rhenium complex was synthesized by Suzuki cross-coupling reaction. The metal-free polymer (poly-1) tethered with functionalized intramolecular charge transfer dye, 2-phenyl-3-pyridin-2-yl-5,7- di-2-thienylthieno[3,4-b]pyrazine, exhibited high molecular weight, good film-forming properties, and excellent solution processability. The pendants of the conjugated polymer possess donor-acceptor characters and broaden the absorption band. These pendants can function as bidentate ligands for metal chelation. The solubilizing groups on the monomers provide good solubility to the polymer even with high content of metal chelation. Upon the complexation with rhenium(I) pentacarbonyl chloride, the absorption spectrum of the resulting metallopolymer was further extended toward the near-infrared region. Photovoltaic performances based on this metallopolymer have been studied. The design approach of these metallopolymers provides synthetic feasibility for coordinating wide range of metal ions on the pendant, and the resulting low-bandgap polymer can be a potential candidate for light harvesting material in solar cell applications. &#169; 2010 Wiley Periodicals, Inc.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong