Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3743
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dc.contributor.authorDESCHRYVER, FC-
dc.contributor.authorDECLERCQ, D-
dc.contributor.authorDEPAEMELAERE, S-
dc.contributor.authorHERMANS, E-
dc.contributor.authorONKELINX, Ann-
dc.contributor.authorVERHOEVEN, JW-
dc.contributor.authorGELAN, Jan-
dc.date.accessioned2007-11-29T13:04:25Z-
dc.date.available2007-11-29T13:04:25Z-
dc.date.issued1994-
dc.identifier.citationJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 82(1-3). p. 171-179-
dc.identifier.issn1010-6030-
dc.identifier.urihttp://hdl.handle.net/1942/3743-
dc.description.abstractPossible competition between through-sigma-bond and through-space interaction on the one hand and between through-sigma- and through-pi-bond interaction on the other has been studied in flexibly and rigidly linked donor-acceptor systems. In a first part, pyrenyl-substituted donor-acceptor compounds were studied, where a permethylated oligosilane chain acts as a flexible spacer. The possible involvement of a sigma delocalized oligosilane chain in the electron transfer process is studied. Intramolecular electron transfer was observed from a permethylated hexasilane chain towards pyrene in the excited state. Through-space ground-state interactions were observed for the donor-acceptor substituted hexamethyl trisilane chain. In order to study the electron transfer process via through-sigma- and through-pi-bond interactions, rigid trichromophoric compounds in an A1-D-A2 configuration were studied. One of the acceptors is directly bound to the donor moiety, while the other acceptor is separated from the donor by a rigid spacer of three sigma bonds. The study of these compounds by means of absorption, stationary and time-resolved emission spectroscopy reveals a competition between the two possible electron transfer directions in one of the trichromophoric compounds.-
dc.language.isoen-
dc.publisherELSEVIER SCIENCE SA LAUSANNE-
dc.titlePHOTOPHYSICS OF LINKED DONOR-ACCEPTOR SYSTEMS - THROUGH-SPACE AND THROUGH-BOND INTERACTIONS-
dc.typeJournal Contribution-
dc.identifier.epage179-
dc.identifier.issue1-3-
dc.identifier.spage171-
dc.identifier.volume82-
local.format.pages9-
dc.description.notesLIMBURGS UNIV CENTRUM,DEPT SBM,B-3590 DIEPENBEEK,BELGIUM. UNIV AMSTERDAM,ORGAN CHEM LAB,1018 WS AMSTERDAM,NETHERLANDS.DESCHRYVER, FC, KATHOLIEKE UNIV LEUVEN,MOLEC DYNAM & SPECTROSCOPY LAB,CELESTIJNENLAAN 200E,B-2001 HEVERLEE,BELGIUM.-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.isiA1994PF13000018-
item.fulltextNo Fulltext-
item.accessRightsClosed Access-
item.contributorVERHOEVEN, JW-
item.contributorGELAN, Jan-
item.contributorONKELINX, Ann-
item.contributorDECLERCQ, D-
item.contributorDEPAEMELAERE, S-
item.contributorHERMANS, E-
item.contributorDESCHRYVER, FC-
item.fullcitationDESCHRYVER, FC; DECLERCQ, D; DEPAEMELAERE, S; HERMANS, E; ONKELINX, Ann; VERHOEVEN, JW & GELAN, Jan (1994) PHOTOPHYSICS OF LINKED DONOR-ACCEPTOR SYSTEMS - THROUGH-SPACE AND THROUGH-BOND INTERACTIONS. In: JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 82(1-3). p. 171-179.-
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