Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device

Detalhes bibliográficos
Autor(a) principal: Pardo Perdomo, Andres David
Data de Publicação: 2024
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UEL
Texto Completo: https://repositorio.uel.br/handle/123456789/14252
Resumo: Dissertação (Mestrado em Física) - Universidade Estadual de Londrina, Centro de Ciências Exatas, Programa de Pós-Graduação em Física
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spelling Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic deviceFotoluminescênciaCorantesFiltros de luzPhotoluminescenceColoringsLight filtersDissertação (Mestrado em Física) - Universidade Estadual de Londrina, Centro de Ciências Exatas, Programa de Pós-Graduação em FísicaAbstract: In this work it is explored the use of two mixed organic dyes, Kremer Blue (Kb) and Coumarin 7 (C7), to design optical filters for applications in the P3HT : PC61BM Organic Photovoltaic device The use of the filter was intended to increase the External Quantum Efficiency of the device by means of the Luminescent Down-Shifting (LDS) effect, at the same time that is expected to be used for preventing fast UV degradation of the solar cell It was found that the sample Kb92:5C77:5 dissolved in a PMMA solution (3 mg/mL) has a PLQY of 93:6%, the highest value obtained in the optimization process Figures of merit of this material, accompanied by simulations of the EQE using the Rothemund model reveal that this sample would contribute to an increment of 19:8% in the photo-generated current of the device The I-V characteristic curve was measured for eight devices and the average change in current density obtained was 18:6% Time-resolved PL results show a decrease in the lifetime of samples with different concentrations of C7, compared to the lifetime of single Kb samples This result suggest that exist an energy transfer process, presumably mediated by a F oster mechanism The photo-generated current was measured upon solar exposure, with and without the LDS filter, for non encapsulated devices It was found that during the first 3 hours of solar exposure, the samples with the LDS filter present higher photo-generated current values when compared to devices without the filter However, upon longer exposure, a rapid drop in the generated current for both devices (with and without filter) was observed Although increments in the photo-generated current were achieved by means of the LDS filter, further improvements are needed in order to enhance the lifetime of the deviceLaureto, Edson [Orientador]Duarte, José LeonilSilva, Marco Aurélio Toledo daPardo Perdomo, Andres David2024-05-01T14:29:37Z2024-05-01T14:29:37Z2019.0020.09.2019info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttps://repositorio.uel.br/handle/123456789/14252porMestradoFísicaCentro de Ciências ExatasPrograma de Pós-Graduação em FísicaLondrinareponame:Repositório Institucional da UELinstname:Universidade Estadual de Londrina (UEL)instacron:UELinfo:eu-repo/semantics/openAccess2024-07-12T04:19:52Zoai:repositorio.uel.br:123456789/14252Biblioteca Digital de Teses e Dissertaçõeshttp://www.bibliotecadigital.uel.br/PUBhttp://www.bibliotecadigital.uel.br/OAI/oai2.phpbcuel@uel.br||opendoar:2024-07-12T04:19:52Repositório Institucional da UEL - Universidade Estadual de Londrina (UEL)false
dc.title.none.fl_str_mv Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
title Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
spellingShingle Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
Pardo Perdomo, Andres David
Fotoluminescência
Corantes
Filtros de luz
Photoluminescence
Colorings
Light filters
title_short Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
title_full Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
title_fullStr Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
title_full_unstemmed Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
title_sort Optimization of LDS blends of Kb:C7 for applications in the P3HT:PC61BM organic photovoltaic device
author Pardo Perdomo, Andres David
author_facet Pardo Perdomo, Andres David
author_role author
dc.contributor.none.fl_str_mv Laureto, Edson [Orientador]
Duarte, José Leonil
Silva, Marco Aurélio Toledo da
dc.contributor.author.fl_str_mv Pardo Perdomo, Andres David
dc.subject.por.fl_str_mv Fotoluminescência
Corantes
Filtros de luz
Photoluminescence
Colorings
Light filters
topic Fotoluminescência
Corantes
Filtros de luz
Photoluminescence
Colorings
Light filters
description Dissertação (Mestrado em Física) - Universidade Estadual de Londrina, Centro de Ciências Exatas, Programa de Pós-Graduação em Física
publishDate 2024
dc.date.none.fl_str_mv 20.09.2019
2019.00
2024-05-01T14:29:37Z
2024-05-01T14:29:37Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://repositorio.uel.br/handle/123456789/14252
url https://repositorio.uel.br/handle/123456789/14252
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv Mestrado
Física
Centro de Ciências Exatas
Programa de Pós-Graduação em Física
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv Londrina
dc.source.none.fl_str_mv reponame:Repositório Institucional da UEL
instname:Universidade Estadual de Londrina (UEL)
instacron:UEL
instname_str Universidade Estadual de Londrina (UEL)
instacron_str UEL
institution UEL
reponame_str Repositório Institucional da UEL
collection Repositório Institucional da UEL
repository.name.fl_str_mv Repositório Institucional da UEL - Universidade Estadual de Londrina (UEL)
repository.mail.fl_str_mv bcuel@uel.br||
_version_ 1809823262943739904

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