Star-shaped triarylamine-based hole-transport materials in perovskite solar cells

Pineda, Rosinda Fuentes; Zems, Yaroslav; Troughton, Joel; Niazi, Muhammad R.; Perepichka, Dmitrii F.; Watson, Trystan; Robertson, Neil

doi:10.1039/c9se00366e

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Star-shaped triarylamine-based hole-transport materials in perovskite solar cells

Rosinda Fuentes Pineda, Yaroslav Zems, Joel Troughton, Muhammad R. Niazi, Dmitrii F. Perepichka, Trystan Watson

, Neil Robertson

Sustainable Energy & Fuels, Volume: 4, Issue: 2, Pages: 779 - 787

Swansea University Authors: Joel Troughton, Trystan Watson

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DOI (Published version): 10.1039/c9se00366e

Abstract

Two novel star-shaped triarylamine-based hole transport materials with triphenylamine (STR1), or a partially oxygen-bridged triphenylamine (STR0), as core and para-substituted triphenylamine side arms were synthesized, fully characterized and studied in perovskite solar cells. Their thermal, optical...

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Published in:	Sustainable Energy & Fuels
ISSN:	2398-4902
Published:	Royal Society of Chemistry (RSC) 2020
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa52907

first_indexed	2019-11-29T13:14:03Z
last_indexed	2020-12-15T04:14:56Z
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spelling	2020-12-14T16:30:06.2763963 v2 52907 2019-11-29 Star-shaped triarylamine-based hole-transport materials in perovskite solar cells dc3109d39ae4673951d8b2d9cd0c9df6 Joel Troughton Joel Troughton true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2019-11-29 Two novel star-shaped triarylamine-based hole transport materials with triphenylamine (STR1), or a partially oxygen-bridged triphenylamine (STR0), as core and para-substituted triphenylamine side arms were synthesized, fully characterized and studied in perovskite solar cells. Their thermal, optical, electrochemical and charge transport properties were examined and compared in the context of their molecular structure. Due to its more planar configuration, STR0 showed a red-shifted absorption in comparison with STR1. STR0 also forms a more stable amorphous glassy state and showed higher glass transition temperature than STR1 and spiro-OMeTAD. These HTMs were tested in perovskite solar cells using a device configuration of FTO/bl-TiO2/mp-TiO2/CH3NH3PbI3/HTM/Au showing a power conversion efficiency of 13.3% for STR0 and 11.5% for STR1. The STR0-based devices showed higher fill factor and better reproducibility than spiro-OMeTAD-based cells. Without dopant additives, solar cells based on STR0 exhibited a good photocurrent density of 16.63 mA cm−2 and the efficiency improved from a starting PCE of 3.9% to 6.6% after two weeks of storage. Journal Article Sustainable Energy & Fuels 4 2 779 787 Royal Society of Chemistry (RSC) 2398-4902 1 2 2020 2020-02-01 10.1039/c9se00366e COLLEGE NANME COLLEGE CODE Swansea University 2020-12-14T16:30:06.2763963 2019-11-29T10:56:22.7128859 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Rosinda Fuentes Pineda 1 Yaroslav Zems 2 Joel Troughton 3 Muhammad R. Niazi 4 Dmitrii F. Perepichka 5 Trystan Watson 0000-0002-8015-1436 6 Neil Robertson 7 52907__15995__e764c02581bb45ba952c87723fa7bdc5.pdf pineda2019.pdf 2019-11-29T10:58:48.6412964 Output 827119 application/pdf Version of Record true This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. true eng http://creativecommons.org/licenses/by-nc/3.0/
title	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells
spellingShingle	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells Joel Troughton Trystan Watson
title_short	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells
title_full	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells
title_fullStr	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells
title_full_unstemmed	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells
title_sort	Star-shaped triarylamine-based hole-transport materials in perovskite solar cells
author_id_str_mv	dc3109d39ae4673951d8b2d9cd0c9df6 a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv	dc3109d39ae4673951d8b2d9cd0c9df6_*_Joel Troughton a210327b52472cfe8df9b8108d661457_*_Trystan Watson
author	Joel Troughton Trystan Watson
author2	Rosinda Fuentes Pineda Yaroslav Zems Joel Troughton Muhammad R. Niazi Dmitrii F. Perepichka Trystan Watson Neil Robertson
format	Journal article
container_title	Sustainable Energy & Fuels
container_volume	4
container_issue	2
container_start_page	779
publishDate	2020
institution	Swansea University
issn	2398-4902
doi_str_mv	10.1039/c9se00366e
publisher	Royal Society of Chemistry (RSC)
college_str	Faculty of Science and Engineering
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hierarchy_top_title	Faculty of Science and Engineering
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description	Two novel star-shaped triarylamine-based hole transport materials with triphenylamine (STR1), or a partially oxygen-bridged triphenylamine (STR0), as core and para-substituted triphenylamine side arms were synthesized, fully characterized and studied in perovskite solar cells. Their thermal, optical, electrochemical and charge transport properties were examined and compared in the context of their molecular structure. Due to its more planar configuration, STR0 showed a red-shifted absorption in comparison with STR1. STR0 also forms a more stable amorphous glassy state and showed higher glass transition temperature than STR1 and spiro-OMeTAD. These HTMs were tested in perovskite solar cells using a device configuration of FTO/bl-TiO2/mp-TiO2/CH3NH3PbI3/HTM/Au showing a power conversion efficiency of 13.3% for STR0 and 11.5% for STR1. The STR0-based devices showed higher fill factor and better reproducibility than spiro-OMeTAD-based cells. Without dopant additives, solar cells based on STR0 exhibited a good photocurrent density of 16.63 mA cm−2 and the efficiency improved from a starting PCE of 3.9% to 6.6% after two weeks of storage.
published_date	2020-02-01T05:00:52Z
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Star-shaped triarylamine-based hole-transport materials in perovskite solar cells

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