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Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE

The matrix-assisted pulsed laser evaporation (MAPLE) technique was used for depositing thin films based on a recently developed conjugated polymer, poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno [3,2-b]thiophene)] (DPP-DTT) and fullerene C60 blends. The targets...

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Autores principales: Socol, Marcela, Preda, Nicoleta, Breazu, Carmen, Costas, Andreea, Petre, Gabriela, Stanculescu, Anca, Popescu-Pelin, Gianina, Mihailescu, Andreea, Socol, Gabriel
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7761236/
https://www.ncbi.nlm.nih.gov/pubmed/33261138
http://dx.doi.org/10.3390/nano10122366
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author Socol, Marcela
Preda, Nicoleta
Breazu, Carmen
Costas, Andreea
Petre, Gabriela
Stanculescu, Anca
Popescu-Pelin, Gianina
Mihailescu, Andreea
Socol, Gabriel
author_facet Socol, Marcela
Preda, Nicoleta
Breazu, Carmen
Costas, Andreea
Petre, Gabriela
Stanculescu, Anca
Popescu-Pelin, Gianina
Mihailescu, Andreea
Socol, Gabriel
author_sort Socol, Marcela
collection PubMed
description The matrix-assisted pulsed laser evaporation (MAPLE) technique was used for depositing thin films based on a recently developed conjugated polymer, poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno [3,2-b]thiophene)] (DPP-DTT) and fullerene C60 blends. The targets used in the MAPLE process were obtained by freezing chloroform solutions with different DPP-DTT:C60 weight ratios, with the MAPLE deposition being carried at a low laser fluence, varying the number of laser pulses. The structural, morphological, optical, and electrical properties of the DPP-DTT:C60 blend layers deposited by MAPLE were investigated in order to emphasize the influence of the DPP-DTT:C60 weight ratio and the number of laser pulses on these features. The preservation of the chemical structure of both DPP-DTT and C60 during the MAPLE deposition process is confirmed by the presence of their vibrational fingerprints in the FTIR spectra of the organic thin films. The UV-VIS and photoluminescence spectra of the obtained organic layers reveal the absorption bands attributed to DPP-DTT and the emission bands associated with C60, respectively. The morphology of the DPP-DTT:C60 blend films consists of aggregates and fibril-like structures. Regardless the DPP-DTT:C60 weight ratio and the number of laser pulses used during the MAPLE process, the current–voltage characteristics recorded, under illumination, of all structures developed on the MAPLE deposited layers evidenced a photovoltaic cell behavior. The results proved that the MAPLE emerges as a viable technique for depositing thin films based on conjugated polymers featured by a complex structure that can be further used to develop devices for applications in the solar cell area.
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spelling pubmed-77612362020-12-26 Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE Socol, Marcela Preda, Nicoleta Breazu, Carmen Costas, Andreea Petre, Gabriela Stanculescu, Anca Popescu-Pelin, Gianina Mihailescu, Andreea Socol, Gabriel Nanomaterials (Basel) Article The matrix-assisted pulsed laser evaporation (MAPLE) technique was used for depositing thin films based on a recently developed conjugated polymer, poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno [3,2-b]thiophene)] (DPP-DTT) and fullerene C60 blends. The targets used in the MAPLE process were obtained by freezing chloroform solutions with different DPP-DTT:C60 weight ratios, with the MAPLE deposition being carried at a low laser fluence, varying the number of laser pulses. The structural, morphological, optical, and electrical properties of the DPP-DTT:C60 blend layers deposited by MAPLE were investigated in order to emphasize the influence of the DPP-DTT:C60 weight ratio and the number of laser pulses on these features. The preservation of the chemical structure of both DPP-DTT and C60 during the MAPLE deposition process is confirmed by the presence of their vibrational fingerprints in the FTIR spectra of the organic thin films. The UV-VIS and photoluminescence spectra of the obtained organic layers reveal the absorption bands attributed to DPP-DTT and the emission bands associated with C60, respectively. The morphology of the DPP-DTT:C60 blend films consists of aggregates and fibril-like structures. Regardless the DPP-DTT:C60 weight ratio and the number of laser pulses used during the MAPLE process, the current–voltage characteristics recorded, under illumination, of all structures developed on the MAPLE deposited layers evidenced a photovoltaic cell behavior. The results proved that the MAPLE emerges as a viable technique for depositing thin films based on conjugated polymers featured by a complex structure that can be further used to develop devices for applications in the solar cell area. MDPI 2020-11-27 /pmc/articles/PMC7761236/ /pubmed/33261138 http://dx.doi.org/10.3390/nano10122366 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Socol, Marcela
Preda, Nicoleta
Breazu, Carmen
Costas, Andreea
Petre, Gabriela
Stanculescu, Anca
Popescu-Pelin, Gianina
Mihailescu, Andreea
Socol, Gabriel
Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE
title Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE
title_full Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE
title_fullStr Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE
title_full_unstemmed Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE
title_short Organic Thin Films Based on DPP-DTT:C60 Blends Deposited by MAPLE
title_sort organic thin films based on dpp-dtt:c60 blends deposited by maple
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7761236/
https://www.ncbi.nlm.nih.gov/pubmed/33261138
http://dx.doi.org/10.3390/nano10122366
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