Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage

Poli, Isabella; Baker, Jenny; McGettrick, James; Rossi, Francesca De; Eslava, Salvador; Watson, Trystan; Cameron, Petra J.

doi:10.1039/C8TA07694D

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Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage

Isabella Poli, Jenny Baker

, James McGettrick

, Francesca De Rossi

, Salvador Eslava, Trystan Watson

, Petra J. Cameron

Journal of Materials Chemistry A, Volume: 6, Issue: 38, Pages: 18677 - 18686

Swansea University Authors: Jenny Baker , James McGettrick , Francesca De Rossi , Trystan Watson

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DOI (Published version): 10.1039/C8TA07694D

Abstract

Screen printed mesoporous carbon solar cells (mC-PSC) are a promising fully printable technology that does not require organic hole conductors, expensive metal contacts or vacuum processing. However, when infiltrated with the archetypal CH3NH3PbI3 perovskite, mC-PSCs show low voltage which limits th...

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Published in:	Journal of Materials Chemistry A
ISSN:	2050-7488 2050-7496
Published:	2018
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa44921
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first_indexed	2018-10-16T19:16:55Z
last_indexed	2020-10-07T03:11:22Z
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However, when infiltrated with the archetypal CH3NH3PbI3 perovskite, mC-PSCs show low voltage which limits their use in innovative applications such as indoor light harvesting. Here we investigate both planar (C-PSC) and mesoporous (mC-PSC) carbon cells, based on all-inorganic CsPbBr3. Pure CsPbBr3 is a yellow material with an orthorhombic crystal structure at room temperature and a 2.3 eV band gap, which is not ideal for solar cell applications. However, CsPbBr3 is thermally stable up to over 400 °C and high-voltage planar carbon solar cells, with open circuit voltages of up to 1.29 V and efficiencies up to 6.7% have been reported in the literature. We focus on the effect of the post-annealing temperature on the material properties and photovoltaic activity. XPS and XRD results show a non-linear trend with temperature, with significant improvements in composition between 200 and 300 °C. Both the mesoporous and planar champion devices were obtained after heat processing at 400 °C, reaching PCEs of 8.2% and 5.7% respectively. 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spelling	2020-10-06T13:17:22.0799315 v2 44921 2018-10-16 Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage 6913b56f36f0c8cd34d8c9040d2df460 0000-0003-3530-1957 Jenny Baker Jenny Baker true false bdbacc591e2de05180e0fd3cc13fa480 0000-0002-7719-2958 James McGettrick James McGettrick true false 04b56f7760ea2de5fd65985ff510d625 0000-0002-6591-5928 Francesca De Rossi Francesca De Rossi true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2018-10-16 MECH Screen printed mesoporous carbon solar cells (mC-PSC) are a promising fully printable technology that does not require organic hole conductors, expensive metal contacts or vacuum processing. However, when infiltrated with the archetypal CH3NH3PbI3 perovskite, mC-PSCs show low voltage which limits their use in innovative applications such as indoor light harvesting. Here we investigate both planar (C-PSC) and mesoporous (mC-PSC) carbon cells, based on all-inorganic CsPbBr3. Pure CsPbBr3 is a yellow material with an orthorhombic crystal structure at room temperature and a 2.3 eV band gap, which is not ideal for solar cell applications. However, CsPbBr3 is thermally stable up to over 400 °C and high-voltage planar carbon solar cells, with open circuit voltages of up to 1.29 V and efficiencies up to 6.7% have been reported in the literature. We focus on the effect of the post-annealing temperature on the material properties and photovoltaic activity. XPS and XRD results show a non-linear trend with temperature, with significant improvements in composition between 200 and 300 °C. Both the mesoporous and planar champion devices were obtained after heat processing at 400 °C, reaching PCEs of 8.2% and 5.7% respectively. The average Voc for the planar and mesoporous devices were 1.33 V and 1.27 V respectively with a record 1.44 V for the best mC-PSC. Journal Article Journal of Materials Chemistry A 6 38 18677 18686 2050-7488 2050-7496 14 10 2018 2018-10-14 10.1039/C8TA07694D COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2020-10-06T13:17:22.0799315 2018-10-16T16:09:29.9733756 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Isabella Poli 1 Jenny Baker 0000-0003-3530-1957 2 James McGettrick 0000-0002-7719-2958 3 Francesca De Rossi 0000-0002-6591-5928 4 Salvador Eslava 5 Trystan Watson 0000-0002-8015-1436 6 Petra J. Cameron 7 0044921-16102018161307.pdf poli2018.pdf 2018-10-16T16:13:07.5300000 Output 1984378 application/pdf Version of Record true Distributed under the terms of a Creative Commons Attribution (CC-BY) Licence. true eng https://creativecommons.org/licenses/by/4.0/
title	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage
spellingShingle	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage Jenny Baker James McGettrick Francesca De Rossi Trystan Watson
title_short	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage
title_full	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage
title_fullStr	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage
title_full_unstemmed	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage
title_sort	Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage
author_id_str_mv	6913b56f36f0c8cd34d8c9040d2df460 bdbacc591e2de05180e0fd3cc13fa480 04b56f7760ea2de5fd65985ff510d625 a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv	6913b56f36f0c8cd34d8c9040d2df460_*_Jenny Baker bdbacc591e2de05180e0fd3cc13fa480__James McGettrick 04b56f7760ea2de5fd65985ff510d625__Francesca De Rossi a210327b52472cfe8df9b8108d661457_*_Trystan Watson
author	Jenny Baker James McGettrick Francesca De Rossi Trystan Watson
author2	Isabella Poli Jenny Baker James McGettrick Francesca De Rossi Salvador Eslava Trystan Watson Petra J. Cameron
format	Journal article
container_title	Journal of Materials Chemistry A
container_volume	6
container_issue	38
container_start_page	18677
publishDate	2018
institution	Swansea University
issn	2050-7488 2050-7496
doi_str_mv	10.1039/C8TA07694D
college_str	Faculty of Science and Engineering
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department_str	School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
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description	Screen printed mesoporous carbon solar cells (mC-PSC) are a promising fully printable technology that does not require organic hole conductors, expensive metal contacts or vacuum processing. However, when infiltrated with the archetypal CH3NH3PbI3 perovskite, mC-PSCs show low voltage which limits their use in innovative applications such as indoor light harvesting. Here we investigate both planar (C-PSC) and mesoporous (mC-PSC) carbon cells, based on all-inorganic CsPbBr3. Pure CsPbBr3 is a yellow material with an orthorhombic crystal structure at room temperature and a 2.3 eV band gap, which is not ideal for solar cell applications. However, CsPbBr3 is thermally stable up to over 400 °C and high-voltage planar carbon solar cells, with open circuit voltages of up to 1.29 V and efficiencies up to 6.7% have been reported in the literature. We focus on the effect of the post-annealing temperature on the material properties and photovoltaic activity. XPS and XRD results show a non-linear trend with temperature, with significant improvements in composition between 200 and 300 °C. Both the mesoporous and planar champion devices were obtained after heat processing at 400 °C, reaching PCEs of 8.2% and 5.7% respectively. The average Voc for the planar and mesoporous devices were 1.33 V and 1.27 V respectively with a record 1.44 V for the best mC-PSC.
published_date	2018-10-14T03:56:25Z
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score	11.016771

Screen printed carbon CsPbBr3 solar cells with high open-circuit photovoltage

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