Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions

In this study, some crucial parameters were determined of flexible polymer–organic solar cells prepared from an active layer blend of poly(3-hexylthiophene) (P3HT) and the fullerene derivative [6,6]-phenyl-C<sub>61</sub>-butyric acid methyl ester (PCBM) mixed in 1:1 mass ratio and deposi...

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Autores principales:	Georgy Grancharov, Mariya-Desislava Atanasova, Radostina Kalinova, Rositsa Gergova, Georgi Popkirov, Christosko Dikov, Marushka Sendova-Vassileva
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	polymer–organic solar cells bulk heterojunction layers flexible solar cells current–voltage characteristics thermal annealing impedance spectroscopy Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/8b1e95ff1c4b4ed2b7fc0a29a3daca5a
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spelling	oai:doaj.org-article:8b1e95ff1c4b4ed2b7fc0a29a3daca5a2021-11-25T18:28:08ZFlexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions10.3390/molecules262268901420-3049https://doaj.org/article/8b1e95ff1c4b4ed2b7fc0a29a3daca5a2021-11-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/22/6890https://doaj.org/toc/1420-3049In this study, some crucial parameters were determined of flexible polymer–organic solar cells prepared from an active layer blend of poly(3-hexylthiophene) (P3HT) and the fullerene derivative [6,6]-phenyl-C<sub>61</sub>-butyric acid methyl ester (PCBM) mixed in 1:1 mass ratio and deposited from chlorobenzene solution by spin-coating on poly(ethylene terephthalate) (PET)/ITO substrates. Additionally, the positive effect of an electron transport layer (ETL) prepared from zinc oxide nanoparticles (ZnO np) on flexible photovoltaic elements’ performance and stability was investigated. Test devices with above normal architecture and silver back electrodes deposed by magnetron sputtering were constructed under environmental conditions. They were characterized by current-voltage (I–V) measurements, quantum efficiency, impedance spectroscopy, surface morphology, and time–degradation experiments. The control over morphology of active layer thin film was achieved by post-deposition thermal treatment at temperatures of 110–120 °C, which led to optimization of device morphology and electrical parameters. The impedance spectroscopy results of flexible photovoltaic elements were fitted using two R\|\|CPE circuits in series. Polymer–organic solar cells prepared on plastic substrates showed comparable current–voltage characteristics and structural properties but need further device stability improvement according to traditionally constructed cells on glass substrates.Georgy GrancharovMariya-Desislava AtanasovaRadostina KalinovaRositsa GergovaGeorgi PopkirovChristosko DikovMarushka Sendova-VassilevaMDPI AGarticlepolymer–organic solar cellsbulk heterojunction layersflexible solar cellscurrent–voltage characteristicsthermal annealingimpedance spectroscopyOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6890, p 6890 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	polymer–organic solar cells bulk heterojunction layers flexible solar cells current–voltage characteristics thermal annealing impedance spectroscopy Organic chemistry QD241-441
spellingShingle	polymer–organic solar cells bulk heterojunction layers flexible solar cells current–voltage characteristics thermal annealing impedance spectroscopy Organic chemistry QD241-441 Georgy Grancharov Mariya-Desislava Atanasova Radostina Kalinova Rositsa Gergova Georgi Popkirov Christosko Dikov Marushka Sendova-Vassileva Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions
description	In this study, some crucial parameters were determined of flexible polymer–organic solar cells prepared from an active layer blend of poly(3-hexylthiophene) (P3HT) and the fullerene derivative [6,6]-phenyl-C<sub>61</sub>-butyric acid methyl ester (PCBM) mixed in 1:1 mass ratio and deposited from chlorobenzene solution by spin-coating on poly(ethylene terephthalate) (PET)/ITO substrates. Additionally, the positive effect of an electron transport layer (ETL) prepared from zinc oxide nanoparticles (ZnO np) on flexible photovoltaic elements’ performance and stability was investigated. Test devices with above normal architecture and silver back electrodes deposed by magnetron sputtering were constructed under environmental conditions. They were characterized by current-voltage (I–V) measurements, quantum efficiency, impedance spectroscopy, surface morphology, and time–degradation experiments. The control over morphology of active layer thin film was achieved by post-deposition thermal treatment at temperatures of 110–120 °C, which led to optimization of device morphology and electrical parameters. The impedance spectroscopy results of flexible photovoltaic elements were fitted using two R\|\|CPE circuits in series. Polymer–organic solar cells prepared on plastic substrates showed comparable current–voltage characteristics and structural properties but need further device stability improvement according to traditionally constructed cells on glass substrates.
format	article
author	Georgy Grancharov Mariya-Desislava Atanasova Radostina Kalinova Rositsa Gergova Georgi Popkirov Christosko Dikov Marushka Sendova-Vassileva
author_facet	Georgy Grancharov Mariya-Desislava Atanasova Radostina Kalinova Rositsa Gergova Georgi Popkirov Christosko Dikov Marushka Sendova-Vassileva
author_sort	Georgy Grancharov
title	Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions
title_short	Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions
title_full	Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions
title_fullStr	Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions
title_full_unstemmed	Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions
title_sort	flexible polymer–organic solar cells based on p3ht:pcbm bulk heterojunction active layer constructed under environmental conditions
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8b1e95ff1c4b4ed2b7fc0a29a3daca5a
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Flexible Polymer–Organic Solar Cells Based on P3HT:PCBM Bulk Heterojunction Active Layer Constructed under Environmental Conditions

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