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Generation of photo charge in poly(ethyleneimine)-TiO2-anthocyanin modified papers conditioned at different humidities
dc.creator | Škipina, Blanka | |
dc.creator | Luyt, Adriaan S. | |
dc.creator | Csoka, Levente | |
dc.creator | Đoković, Vladimir | |
dc.creator | Dudić, Duško | |
dc.date.accessioned | 2018-03-01T18:07:42Z | |
dc.date.available | 2018-03-01T18:07:42Z | |
dc.date.issued | 2018 | |
dc.identifier.issn | 0143-7208 | |
dc.identifier.issn | 1873-3743 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/1922 | |
dc.description.abstract | The article describes the influence of humidity on the surface photodielectric properties of papers prepared from poly(ethyleneimine)-TiO2 hanoparticles-anthocyanin modified cellulose fibres. The anthocyanins were extracted from purple cabbage, beet-root, plum peel, red wine and red currant juice. The samples were conditioned to various relative humidities (from 9 to 100%) and illuminated with white visible light, lambda GT = 405 nm. The poly(ethyleneimine)-TiO2-anthocyanin modified samples showed similar photodielectric behaviour that can be clearly distinguished from the samples modified solely with poly(ethyleneimine)-TiO2. Generally, an increase in humidity enhances the conductivity of the samples and induces an increase in the amount of photo-induced charge. Also, at higher humidities (above 80%), the samples with anthocyanin showed significantly higher values of photo-induced charges with respect to anthocyanin free samples. The presented results suggest that the presence of water molecules promotes electron-injection processes from the anthocyanin to the semiconductor surface. (C) 2017 Elsevier Ltd. All rights reserved. | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45020/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172056/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/171029/RS// | |
dc.relation | Environment conscious energy efficient building - EU [TAMOP-4.2.2.A-11/1/KONV-2012-0068], European Social Foundation, National Research Foundation, South Africa [88301] | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/171029/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172056/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45020/RS// | |
dc.relation | Environment conscious energy efficient building TAMOP-4.2.2.Ae11/1/KONV-2012-0068 project sponsored by the EU and European Social Foundation and by the National Research Foundation, South Africa (Grant No. 88301) | |
dc.rights | restrictedAccess | en |
dc.source | Dyes and Pigments | en |
dc.subject | Anthocyanin | en |
dc.subject | TiO2 | en |
dc.subject | Cellulose | en |
dc.subject | Photodielectric | en |
dc.subject | Humidity | en |
dc.title | Generation of photo charge in poly(ethyleneimine)-TiO2-anthocyanin modified papers conditioned at different humidities | en |
dc.type | article | en |
dc.rights.license | ARR | |
dcterms.abstract | Скипина, Б.; Ђоковић Владимир; Цсока, Л.; Дудић Душко; Луyт, A. С.; | |
dc.citation.volume | 149 | |
dc.citation.spage | 51 | |
dc.citation.epage | 58 | |
dc.identifier.wos | 000423246900006 | |
dc.identifier.doi | 10.1016/j.dyepig.2017.08.064 | |
dc.citation.rank | aM21 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85030090916 |
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030 - Laboratorija za radijacionu hemiju i fiziku
Department of Radiation Chemistry and Physics