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Article: Ruthenium complex containing block copolymer for the enhancement of carbon nanotube photoconductivity

TitleRuthenium complex containing block copolymer for the enhancement of carbon nanotube photoconductivity
Authors
Li, CHNg, AMCMak, CSKDjurisic, ABChan, WK
KeywordsBlock copolymers
Carbon nanotubes
Controlled radical polymerization
Organic electronics
Photoconductivity
Issue Date2012
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick
Citation
ACS Applied Materials and Interfaces, 2012, v. 4 n. 1, p. 74-80 How to Cite?
DOI: http://dx.doi.org/10.1021/am201561g
AbstractWe report the synthesis of a multifunctional block copolymer incorporated with pyrene and ruthenium terpyridyl thiocyanato complex moieties by reversible addition-fragmentation chain transfer polymerization. The pyrene block in the copolymer facilitates the dispersion of multiwalled carbon nanotubes in DMF solution because of the strong pi-pi interaction between the pyrene moieties and nanotube surface. On the other hand, the ruthenium complexes greatly enhance the photosensitivity of the functionalized nanotubes in the visible region. The photocurrent responses of the nanotubes at different wavelength measured by conductive AFM spectrum strongly agree with the absorption spectrum of the ruthenium complex. The results demonstrate a new and versatile approach in enhancing and fine-tuning the photosensitivity or other opto-electronic properties of carbon nanotubes by multifunctional block copolymers. © 2011 American Chemical Society.
DescriptionResearch article
Persistent Identifierhttp://hdl.handle.net/10722/145874
ISSN
1944-8244
2023 Impact Factor: 8.3
2023 SCImago Journal Rankings: 2.058
ISI Accession Number ID
WOS:000299409500015
Funding AgencyGrant Number
University Grants Committee of the Hong Kong Special Administrative Region, ChinaAoE/P-03/08
HKU7005/08P
University of Hong Kong
Funding Information:

The work described in this paper was substantially supported by a grant from the University Grants Committee of the Hong Kong Special Administrative Region, China (Project [AoE/P-03/08, HKU7005/08P]). Partial financial support from the Strategic Research Theme and University Development Fund (University of Hong Kong) is also acknowledged.

References
References in Scopus
Grants
Institute of Molecular Functional Materials

 

DC FieldValueLanguage
dc.contributor.authorLi, CHen_HK
dc.contributor.authorNg, AMCen_HK
dc.contributor.authorMak, CSKen_HK
dc.contributor.authorDjurisic, ABen_HK
dc.contributor.authorChan, WKen_HK
dc.date.accessioned2012-03-27T08:56:06Z-
dc.date.available2012-03-27T08:56:06Z-
dc.date.issued2012en_HK
dc.identifier.citationACS Applied Materials and Interfaces, 2012, v. 4 n. 1, p. 74-80en_HK
dc.identifier.issn1944-8244en_HK
dc.identifier.urihttp://hdl.handle.net/10722/145874-
dc.descriptionResearch article-
dc.description.abstractWe report the synthesis of a multifunctional block copolymer incorporated with pyrene and ruthenium terpyridyl thiocyanato complex moieties by reversible addition-fragmentation chain transfer polymerization. The pyrene block in the copolymer facilitates the dispersion of multiwalled carbon nanotubes in DMF solution because of the strong pi-pi interaction between the pyrene moieties and nanotube surface. On the other hand, the ruthenium complexes greatly enhance the photosensitivity of the functionalized nanotubes in the visible region. The photocurrent responses of the nanotubes at different wavelength measured by conductive AFM spectrum strongly agree with the absorption spectrum of the ruthenium complex. The results demonstrate a new and versatile approach in enhancing and fine-tuning the photosensitivity or other opto-electronic properties of carbon nanotubes by multifunctional block copolymers. © 2011 American Chemical Society.en_HK
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamicken_HK
dc.relation.ispartofACS Applied Materials and Interfacesen_HK
dc.subjectBlock copolymersen_HK
dc.subjectCarbon nanotubesen_HK
dc.subjectControlled radical polymerizationen_HK
dc.subjectOrganic electronicsen_HK
dc.subjectPhotoconductivityen_HK
dc.titleRuthenium complex containing block copolymer for the enhancement of carbon nanotube photoconductivityen_HK
dc.typeArticleen_HK
dc.identifier.emailNg, AMC: alanalfa@hku.hken_HK
dc.identifier.emailMak, CSK: cskm@hkucc.hku.hken_HK
dc.identifier.emailDjurisic, AB: dalek@hku.hk-
dc.identifier.emailChan, WK: waichan@hku.hk-
dc.identifier.authorityMak, CSK=rp00761en_HK
dc.identifier.authorityDjurisic, AB=rp00690en_HK
dc.identifier.authorityChan, WK=rp00667-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/am201561gen_HK
dc.identifier.pmid22148254-
dc.identifier.scopuseid_2-s2.0-84863070369en_HK
dc.identifier.hkuros203602en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84863070369&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume4en_HK
dc.identifier.issue1en_HK
dc.identifier.spage74en_HK
dc.identifier.epage80en_HK
dc.identifier.eissn1944-8252-
dc.identifier.isiWOS:000299409500015-
dc.publisher.placeUnited Statesen_HK
dc.relation.projectInstitute of Molecular Functional Materials-
dc.identifier.scopusauthoridChan, WK=55152945600en_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridMak, CSK=8899597100en_HK
dc.identifier.scopusauthoridNg, AMC=12140078600en_HK
dc.identifier.scopusauthoridLi, CH=37006677500en_HK
dc.identifier.issnl1944-8244-

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