Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy

Detalhes bibliográficos
Autor(a) principal: Bento, Danielly Cristina
Data de Publicação: 2015
Outros Autores: da Silva, Edilene Assunção [UNESP], de Almeida Olivati, Clarissa [UNESP], Louarn, Guy, de Santana, Henrique
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1007/s10854-015-3434-0
http://hdl.handle.net/11449/168022
Resumo: In this study, phenyl-C61-butyric acid methyl ester (PCBM) was deposited onto indium tin oxide (ITO) using the Langmuir–Schaefer technique, and poly(3-methylthiophene) (P3MT) and poly(3-hexylthiophene) (P3HT) were then electrochemically synthesized onto the ITO/PCBM, producing PCBM/P3MT and PCBM/P3HT films respectively. These films are widely used to create heterojunctions in organic photovoltaic cells, and they were produced in this study in order to monitor the charge transfer process between the P3ATs and PCBM. Cyclic voltammetry (CV) of the ITO/PCBM/P3AT systems demonstrates dislocation of oxidation and reduction peaks and a variation in the current of these peaks in relation to those observed in ITO/P3ATs. Charge transfer resistance (RCT) were determined using electrochemical impedance spectroscopy (EIS) to produce Nyquist plots at open circuit potential and at different applied potentials. ITO/PCBM/P3HT had a lower RCTvalue than ITO/P3HT and ITO/PCBM/P3MT. Bode phase plots produced using EIS indicated that the charge transfer process in ITO/PCBM/P3HT is associated with polaron conduction (radical cation) and in ITO/PCBM/P3MT with bipolar conduction (dication). This study of the behaviour observed in these systems using CV and EIS techniques was supplemented with ex situ and in situ Raman spectroscopy. Structural variations were observed in segments of the P3HT polymer chain when interacting with PCBM in the ITO/PCBM/P3HT system, but not for ITO/P3MT in the ITO/PCBM/P3MT system. The charge transfer observed between PCBM and P3HT was associated with the stabilization of the radical cation species found in P3HT in this material.
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spelling Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopyIn this study, phenyl-C61-butyric acid methyl ester (PCBM) was deposited onto indium tin oxide (ITO) using the Langmuir–Schaefer technique, and poly(3-methylthiophene) (P3MT) and poly(3-hexylthiophene) (P3HT) were then electrochemically synthesized onto the ITO/PCBM, producing PCBM/P3MT and PCBM/P3HT films respectively. These films are widely used to create heterojunctions in organic photovoltaic cells, and they were produced in this study in order to monitor the charge transfer process between the P3ATs and PCBM. Cyclic voltammetry (CV) of the ITO/PCBM/P3AT systems demonstrates dislocation of oxidation and reduction peaks and a variation in the current of these peaks in relation to those observed in ITO/P3ATs. Charge transfer resistance (RCT) were determined using electrochemical impedance spectroscopy (EIS) to produce Nyquist plots at open circuit potential and at different applied potentials. ITO/PCBM/P3HT had a lower RCTvalue than ITO/P3HT and ITO/PCBM/P3MT. Bode phase plots produced using EIS indicated that the charge transfer process in ITO/PCBM/P3HT is associated with polaron conduction (radical cation) and in ITO/PCBM/P3MT with bipolar conduction (dication). This study of the behaviour observed in these systems using CV and EIS techniques was supplemented with ex situ and in situ Raman spectroscopy. Structural variations were observed in segments of the P3HT polymer chain when interacting with PCBM in the ITO/PCBM/P3HT system, but not for ITO/P3MT in the ITO/PCBM/P3MT system. The charge transfer observed between PCBM and P3HT was associated with the stabilization of the radical cation species found in P3HT in this material.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Departamento de Química CCE Universidade Estadual de LondrinaFaculdade de Ciência e Tecnologia (FCT) UNESPInstitut des Matériaux Jean Rouxel Université de Nantes-CNRSFaculdade de Ciência e Tecnologia (FCT) UNESPCNPq: 441689/2014-0Universidade Estadual de Londrina (UEL)Universidade Estadual Paulista (Unesp)Université de Nantes-CNRSBento, Danielly Cristinada Silva, Edilene Assunção [UNESP]de Almeida Olivati, Clarissa [UNESP]Louarn, Guyde Santana, Henrique2018-12-11T16:39:16Z2018-12-11T16:39:16Z2015-10-22info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article7844-7852application/pdfhttp://dx.doi.org/10.1007/s10854-015-3434-0Journal of Materials Science: Materials in Electronics, v. 26, n. 10, p. 7844-7852, 2015.1573-482X0957-4522http://hdl.handle.net/11449/16802210.1007/s10854-015-3434-02-s2.0-849419397482-s2.0-84941939748.pdf98222128086514150000-0002-0114-6795Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of Materials Science: Materials in Electronics0,503info:eu-repo/semantics/openAccess2023-10-21T06:11:19Zoai:repositorio.unesp.br:11449/168022Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:33:43.003777Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
title Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
spellingShingle Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
Bento, Danielly Cristina
title_short Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
title_full Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
title_fullStr Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
title_full_unstemmed Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
title_sort Characterization of the interaction between P3ATs with PCBM on ITO using in situ Raman spectroscopy and electrochemical impedance spectroscopy
author Bento, Danielly Cristina
author_facet Bento, Danielly Cristina
da Silva, Edilene Assunção [UNESP]
de Almeida Olivati, Clarissa [UNESP]
Louarn, Guy
de Santana, Henrique
author_role author
author2 da Silva, Edilene Assunção [UNESP]
de Almeida Olivati, Clarissa [UNESP]
Louarn, Guy
de Santana, Henrique
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual de Londrina (UEL)
Universidade Estadual Paulista (Unesp)
Université de Nantes-CNRS
dc.contributor.author.fl_str_mv Bento, Danielly Cristina
da Silva, Edilene Assunção [UNESP]
de Almeida Olivati, Clarissa [UNESP]
Louarn, Guy
de Santana, Henrique
description In this study, phenyl-C61-butyric acid methyl ester (PCBM) was deposited onto indium tin oxide (ITO) using the Langmuir–Schaefer technique, and poly(3-methylthiophene) (P3MT) and poly(3-hexylthiophene) (P3HT) were then electrochemically synthesized onto the ITO/PCBM, producing PCBM/P3MT and PCBM/P3HT films respectively. These films are widely used to create heterojunctions in organic photovoltaic cells, and they were produced in this study in order to monitor the charge transfer process between the P3ATs and PCBM. Cyclic voltammetry (CV) of the ITO/PCBM/P3AT systems demonstrates dislocation of oxidation and reduction peaks and a variation in the current of these peaks in relation to those observed in ITO/P3ATs. Charge transfer resistance (RCT) were determined using electrochemical impedance spectroscopy (EIS) to produce Nyquist plots at open circuit potential and at different applied potentials. ITO/PCBM/P3HT had a lower RCTvalue than ITO/P3HT and ITO/PCBM/P3MT. Bode phase plots produced using EIS indicated that the charge transfer process in ITO/PCBM/P3HT is associated with polaron conduction (radical cation) and in ITO/PCBM/P3MT with bipolar conduction (dication). This study of the behaviour observed in these systems using CV and EIS techniques was supplemented with ex situ and in situ Raman spectroscopy. Structural variations were observed in segments of the P3HT polymer chain when interacting with PCBM in the ITO/PCBM/P3HT system, but not for ITO/P3MT in the ITO/PCBM/P3MT system. The charge transfer observed between PCBM and P3HT was associated with the stabilization of the radical cation species found in P3HT in this material.
publishDate 2015
dc.date.none.fl_str_mv 2015-10-22
2018-12-11T16:39:16Z
2018-12-11T16:39:16Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1007/s10854-015-3434-0
Journal of Materials Science: Materials in Electronics, v. 26, n. 10, p. 7844-7852, 2015.
1573-482X
0957-4522
http://hdl.handle.net/11449/168022
10.1007/s10854-015-3434-0
2-s2.0-84941939748
2-s2.0-84941939748.pdf
9822212808651415
0000-0002-0114-6795
url http://dx.doi.org/10.1007/s10854-015-3434-0
http://hdl.handle.net/11449/168022
identifier_str_mv Journal of Materials Science: Materials in Electronics, v. 26, n. 10, p. 7844-7852, 2015.
1573-482X
0957-4522
10.1007/s10854-015-3434-0
2-s2.0-84941939748
2-s2.0-84941939748.pdf
9822212808651415
0000-0002-0114-6795
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Journal of Materials Science: Materials in Electronics
0,503
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 7844-7852
application/pdf
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
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instname_str Universidade Estadual Paulista (UNESP)
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institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
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