Charge photogeneration and transport in side-chain carbazole polymers and co-polymers

Handle URI:
http://hdl.handle.net/10754/561805
Title:
Charge photogeneration and transport in side-chain carbazole polymers and co-polymers
Authors:
Li, Huawei; Termine, Roberto; Godbert, Nicolas; Angiolini, Luigi; Giorgini, Loris; Golemme, Attilio
Abstract:
The photoconductivity, hole mobility and charge photogeneration efficiency of a series of side-chain carbazole homopolymers and copolymers (with azo side-chains) have been investigated. Cyclic voltammetry measurement of frontier orbitals energies show that the HOMO energy is determined by the nature and the position of attachment of the linker between the main chain and the carbazole, the azo-moiety being not relevant in this respect. Hole mobility is not influenced by the HOMO energy but seems to depend on the degree of conformational mobility of the side-chains, reaching values of the order of 10-3cm2V-1s-1 in the best cases. The HOMO energy is instead extremely important when considering photogeneration efficiency, that can change by 10 orders of magnitude depending on the density of the carbazole side-chains in co-polymers and on the linker nature and attachment position. © 2011 Elsevier B.V. All rights reserved.
KAUST Department:
Physical Sciences and Engineering (PSE) Division; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Publisher:
Elsevier
Journal:
Organic Electronics: physics, materials, applications
Issue Date:
Jul-2011
DOI:
10.1016/j.orgel.2011.03.043
Type:
Article
ISSN:
15661199
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorLi, Huaweien
dc.contributor.authorTermine, Robertoen
dc.contributor.authorGodbert, Nicolasen
dc.contributor.authorAngiolini, Luigien
dc.contributor.authorGiorgini, Lorisen
dc.contributor.authorGolemme, Attilioen
dc.date.accessioned2015-08-03T09:05:00Zen
dc.date.available2015-08-03T09:05:00Zen
dc.date.issued2011-07en
dc.identifier.issn15661199en
dc.identifier.doi10.1016/j.orgel.2011.03.043en
dc.identifier.urihttp://hdl.handle.net/10754/561805en
dc.description.abstractThe photoconductivity, hole mobility and charge photogeneration efficiency of a series of side-chain carbazole homopolymers and copolymers (with azo side-chains) have been investigated. Cyclic voltammetry measurement of frontier orbitals energies show that the HOMO energy is determined by the nature and the position of attachment of the linker between the main chain and the carbazole, the azo-moiety being not relevant in this respect. Hole mobility is not influenced by the HOMO energy but seems to depend on the degree of conformational mobility of the side-chains, reaching values of the order of 10-3cm2V-1s-1 in the best cases. The HOMO energy is instead extremely important when considering photogeneration efficiency, that can change by 10 orders of magnitude depending on the density of the carbazole side-chains in co-polymers and on the linker nature and attachment position. © 2011 Elsevier B.V. All rights reserved.en
dc.publisherElsevieren
dc.subjectCarbazole homopolymersen
dc.subjectCharge photogenerationen
dc.subjectHole mobilityen
dc.subjectOrganic semiconductorsen
dc.titleCharge photogeneration and transport in side-chain carbazole polymers and co-polymersen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Divisionen
dc.identifier.journalOrganic Electronics: physics, materials, applicationsen
dc.contributor.institutionCentro di Eccellenza CEMIF. CAL, LASCAMM CR-INSTM, Universit della Calabria, 87036 Rende, Italyen
dc.contributor.institutionDipartimento di Chimica Industriale e Dei Materiali and INSTM UdR-Bologna, University of Bologna, Viale Risorgimento 4, 40136 Bologna, Italyen
kaust.authorLi, Huaweien
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