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Article: Photoexcitations in poly(p-phenylenevinylene) aggregates
Title | Photoexcitations in poly(p-phenylenevinylene) aggregates |
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Authors | |
Issue Date | 2001 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/cplett |
Citation | Chemical Physics Letters, 2001, v. 333 n. 5, p. 397-402 How to Cite? |
Abstract | Photo-induced electronic excitations of poly(p-phenylenevinylene) (PPV) aggregates are simulated and characterized using a recently developed linear-scaling localized-density-matrix (LDM) method. The intra- and inter-chain components of excitations are analyzed and quantified for different inter-chain distances. The excitations for the absorption and luminescence in PPV film and its derivatives are identified and are found analogous to those of H-aggregates. Their energy shifts upon aggregation are determined mainly by the inter-chain kinetic energy reduction and the Coulomb interaction of the electron-hole pair. It is concluded that the luminescence is caused by the intra-chain electron-hole pairs. © 2001 Elsevier Science B.V. |
Persistent Identifier | http://hdl.handle.net/10722/167331 |
ISSN | 2023 Impact Factor: 2.8 2023 SCImago Journal Rankings: 0.502 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Yokojima, S | en_US |
dc.contributor.author | Zhou, D | en_US |
dc.contributor.author | Chen, G | en_US |
dc.date.accessioned | 2012-10-08T03:05:44Z | - |
dc.date.available | 2012-10-08T03:05:44Z | - |
dc.date.issued | 2001 | en_US |
dc.identifier.citation | Chemical Physics Letters, 2001, v. 333 n. 5, p. 397-402 | en_US |
dc.identifier.issn | 0009-2614 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167331 | - |
dc.description.abstract | Photo-induced electronic excitations of poly(p-phenylenevinylene) (PPV) aggregates are simulated and characterized using a recently developed linear-scaling localized-density-matrix (LDM) method. The intra- and inter-chain components of excitations are analyzed and quantified for different inter-chain distances. The excitations for the absorption and luminescence in PPV film and its derivatives are identified and are found analogous to those of H-aggregates. Their energy shifts upon aggregation are determined mainly by the inter-chain kinetic energy reduction and the Coulomb interaction of the electron-hole pair. It is concluded that the luminescence is caused by the intra-chain electron-hole pairs. © 2001 Elsevier Science B.V. | en_US |
dc.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/cplett | en_US |
dc.relation.ispartof | Chemical Physics Letters | en_US |
dc.title | Photoexcitations in poly(p-phenylenevinylene) aggregates | en_US |
dc.type | Article | en_US |
dc.identifier.email | Chen, G:ghc@yangtze.hku.hk | en_US |
dc.identifier.authority | Chen, G=rp00671 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/S0009-2614(00)01394-4 | en_US |
dc.identifier.scopus | eid_2-s2.0-0001237669 | en_US |
dc.identifier.hkuros | 62470 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0001237669&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 333 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 397 | en_US |
dc.identifier.epage | 402 | en_US |
dc.identifier.isi | WOS:000166515200013 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | Yokojima, S=6701511038 | en_US |
dc.identifier.scopusauthorid | Zhou, D=7403394756 | en_US |
dc.identifier.scopusauthorid | Chen, G=35253368600 | en_US |
dc.identifier.issnl | 0009-2614 | - |