Please use this identifier to cite or link to this item: https://doi.org/10.1117/1.JNP.8.083092
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dc.titleImproving the efficiency of a poly(3-hexylthiophene)- CuInS2 photovoltaic device by incorporating graphene nanopowder
dc.contributor.authorKumari, A.
dc.contributor.authorSingh, I.
dc.contributor.authorPrasad, N.
dc.contributor.authorDixit, S.K.
dc.contributor.authorRao, P.K.
dc.contributor.authorBhatnagar, P.K.
dc.contributor.authorMathur, P.C.
dc.contributor.authorBhatia, C.S.
dc.contributor.authorNagpal, S.
dc.date.accessioned2014-10-07T04:30:17Z
dc.date.available2014-10-07T04:30:17Z
dc.date.issued2014
dc.identifier.citationKumari, A., Singh, I., Prasad, N., Dixit, S.K., Rao, P.K., Bhatnagar, P.K., Mathur, P.C., Bhatia, C.S., Nagpal, S. (2014). Improving the efficiency of a poly(3-hexylthiophene)- CuInS2 photovoltaic device by incorporating graphene nanopowder. Journal of Nanophotonics 8 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1117/1.JNP.8.083092
dc.identifier.issn19342608
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82514
dc.description.abstractIn the present work, the effect of incorporation of graphene on the poly(3-hexylthiophene) (P3HT)CuInS2 quantum dot (CIS QD)-based solar cell has been studied. For this purpose, the concentration of graphene is varied from 0 to 0.01% w/w in P3HT-CIS (1:0.5) film. It is found that graphene does not deteriorate the absorption of the composite film. It assists in dissociating the photogenerated excitons (both in P3HT and QDs) owing to its two-dimensional structure and high electron affinity as is evident by photoluminescence (PL) quenching. At 0.01% w/w concentration of graphene about 95% of PL is quenched. The electrical characteristics show that the incorporation of graphene enhances the efficiency of the device by establishing interconnected conducting pathways in the volume of polymer matrix. The maximum efficiency is observed to be 1.5% at 0.005% w/w content of graphene. However, at higher concentration, i.e., 0.01% w/w, the device starts deteriorating. © Society of Photo-Optical Instrumentation Engineers.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1117/1.JNP.8.083092
dc.sourceScopus
dc.subjectcharge transport.
dc.subjectconducting polymer
dc.subjectgrapheme
dc.subjectorganic photovoltaic
dc.subjectquantum dots
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1117/1.JNP.8.083092
dc.description.sourcetitleJournal of Nanophotonics
dc.description.volume8
dc.description.issue1
dc.description.page-
dc.description.codenJNOAC
dc.identifier.isiut000333561200001
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