Optical Energy Band Gap of Paam-Go Composites

dc.contributor.author Evingür, Gülşen Akin
dc.contributor.author Pekcan, Mehmet Önder
dc.contributor.author Pekcan, Önder
dc.contributor.other Molecular Biology and Genetics
dc.date.accessioned 2019-06-27T08:01:14Z
dc.date.available 2019-06-27T08:01:14Z
dc.date.issued 2018
dc.department Fakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Biyoinformatik ve Genetik Bölümü en_US
dc.description.abstract Graphene oxide (GO) can be used as an electron acceptor for polymers. The generation of the exciton in such materials is intimately related to the optical band gap. Polyacrylamide (PAAm) - graphene oxide (GO) composites were prepared via free radical crosslinking copolymerization with GO content varying in the range between 5 and 40 mu l of GO. The influence of the GO content on the optical properties of the composites is characterized by ultraviolet visible spectrophotometer. The optical band gap of the composite has been calculated by using Tauc's model. The tail width of the localized states has been calculated by using Urbach's relation and the values of Urbach's energy with the variation of GO have been found from 289 to 296 eV. The results demonstrated that GO can be well dispersed in the PAAm-GO composites and consequently the optical band gap has been correlated with the various amounts of GO. (C) 2017 Elsevier Ltd. All rights reserved. en_US]
dc.identifier.citationcount 37
dc.identifier.doi 10.1016/j.compstruct.2017.02.058 en_US
dc.identifier.endpage 215
dc.identifier.issn 0263-8223 en_US
dc.identifier.issn 1879-1085 en_US
dc.identifier.issn 0263-8223
dc.identifier.issn 1879-1085
dc.identifier.scopus 2-s2.0-85013080861 en_US
dc.identifier.scopusquality Q1
dc.identifier.startpage 212 en_US
dc.identifier.uri https://hdl.handle.net/20.500.12469/310
dc.identifier.volume 183 en_US
dc.identifier.wos WOS:000414592800021 en_US
dc.identifier.wosquality Q1
dc.institutionauthor Pekcan, Önder en_US
dc.language.iso en en_US
dc.publisher Elsevier Science en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/closedAccess en_US
dc.scopus.citedbyCount 46
dc.subject Polyacrylamide (PAAm) en_US
dc.subject Graphene oxide (GO) en_US
dc.subject UV-vis spectrum en_US
dc.subject Absorbance en_US
dc.subject Energy band gap en_US
dc.title Optical Energy Band Gap of Paam-Go Composites en_US
dc.type Article en_US
dc.wos.citedbyCount 45
dspace.entity.type Publication
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relation.isOrgUnitOfPublication.latestForDiscovery 71ce8622-7449-4a6a-8fad-44d881416546

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