Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/51191
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dc.titleInfluence of donor and acceptor substituents on the electronic characteristics of poly(fluorene-phenylene)
dc.contributor.authorZeng, G.
dc.contributor.authorChua, S.-J.
dc.contributor.authorHuang, W.
dc.date.accessioned2014-04-24T08:35:56Z
dc.date.available2014-04-24T08:35:56Z
dc.date.issued2002-09-30
dc.identifier.citationZeng, G., Chua, S.-J., Huang, W. (2002-09-30). Influence of donor and acceptor substituents on the electronic characteristics of poly(fluorene-phenylene). Thin Solid Films 417 (1-2) : 194-197. ScholarBank@NUS Repository.
dc.identifier.issn00406090
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/51191
dc.description.abstractWe investigate theoretically the influence of electron acceptors such as cyano groups and donors such as methoxy and amino groups on the geometric and electronic properties of the poly(9,9-dihexylfluorene-1,4-phenylene) unit cell. The trends derived from quantum chemistry calculations fully represent the properties observed at the scale of long polymer chains. It is shown that sizable effects can be obtained. In particular, the use of diamino or dicyano substituents on the phenylene ring allows the bandgaps to decrease significantly. This information is of prime importance in the design of new chemical structures aimed at a fine-tuning of the emitted color and at a significant improvement in quantum efficiency. © 2002 Elsevier Science B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0040-6090(02)00645-4
dc.sourceScopus
dc.subjectElectronic properties
dc.subjectPolyfluorene
dc.subjectPolymeric light-emitting devices
dc.subjectSemiempirical methods
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.departmentCHEMICAL & ENVIRONMENTAL ENGINEERING
dc.description.sourcetitleThin Solid Films
dc.description.volume417
dc.description.issue1-2
dc.description.page194-197
dc.description.codenTHSFA
dc.identifier.isiut000178726000041
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