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Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells

Muhazri Abd Mutalib, Norasikin Ahmad Ludin, Mohd Sukor Su’ait, Matthew Davies Orcid Logo, Suhaila Sepeai, Mohd Asri Mat Teridi, Mohamad Firdaus Mohamad Noh, Mohd Adib Ibrahim

Applied Sciences, Volume: 12, Issue: 1, Start page: 429

Swansea University Author: Matthew Davies Orcid Logo

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DOI (Published version): 10.3390/app12010429

Abstract

High-performance electron transport layer (ETL) anode generally needs to form a uniform dense layer with suitable conduction band position and good electron transport properties. The TiO2 photoanode is primarily applied as the ETL because it is low-cost, has diverse thin-film preparation methods and...

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Published in: Applied Sciences
ISSN: 2076-3417
Published: MDPI AG 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa59089
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spelling 2022-01-05T16:26:57.6461348 v2 59089 2022-01-05 Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells 4ad478e342120ca3434657eb13527636 0000-0003-2595-5121 Matthew Davies Matthew Davies true false 2022-01-05 CHEG High-performance electron transport layer (ETL) anode generally needs to form a uniform dense layer with suitable conduction band position and good electron transport properties. The TiO2 photoanode is primarily applied as the ETL because it is low-cost, has diverse thin-film preparation methods and has good chemical stability. However, pure TiO2 is not an ideal ETL because it lacks several important criteria, such as low conductivity and conduction band mismatch with compositional-tailored perovskite. Thus, TiO2 is an inefficient photo-anode or ETL for high-performance perovskite devices. In this study, sulfur as dopant in the TiO2 photo-anode thin film is used to fabricate solid-state planar perovskite solar cells in relatively high humidity (40−50%). The deposited S-doped thin film improves the power conversion efficiency (PCE) of the device to 6.0%, with the un-doped TiO2 producing a PCE of 5.1% in the best device. Improvement in PCE is due to lower recombination and higher photocurrent density, resulting in 18% increase in PCE (5.1−6.0%). Journal Article Applied Sciences 12 1 429 MDPI AG 2076-3417 perovskite solar cell, electron transporting material, TiO2 photoanode, sulfur doping, photo conversion efficiency 3 1 2022 2022-01-03 10.3390/app12010429 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University Universiti Kebangsaan Malaysia (UKM) under the Dana Impak Perdana (DIP-2019-025); UKM for the PhD scholarship under the Skim Zamalah Yayasan Canselor 2022-01-05T16:26:57.6461348 2022-01-05T16:18:06.0893714 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Muhazri Abd Mutalib 1 Norasikin Ahmad Ludin 2 Mohd Sukor Su’ait 3 Matthew Davies 0000-0003-2595-5121 4 Suhaila Sepeai 5 Mohd Asri Mat Teridi 6 Mohamad Firdaus Mohamad Noh 7 Mohd Adib Ibrahim 8 59089__22030__aa9986fb9b334453b34b1c112d0bbce0.pdf 59089.pdf 2022-01-05T16:20:49.7131510 Output 3177578 application/pdf Version of Record true © 2022 by the authors. This is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/
title Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
spellingShingle Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
Matthew Davies
title_short Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
title_full Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
title_fullStr Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
title_full_unstemmed Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
title_sort Performance-Enhancing Sulfur-Doped TiO2 Photoanodes for Perovskite Solar Cells
author_id_str_mv 4ad478e342120ca3434657eb13527636
author_id_fullname_str_mv 4ad478e342120ca3434657eb13527636_***_Matthew Davies
author Matthew Davies
author2 Muhazri Abd Mutalib
Norasikin Ahmad Ludin
Mohd Sukor Su’ait
Matthew Davies
Suhaila Sepeai
Mohd Asri Mat Teridi
Mohamad Firdaus Mohamad Noh
Mohd Adib Ibrahim
format Journal article
container_title Applied Sciences
container_volume 12
container_issue 1
container_start_page 429
publishDate 2022
institution Swansea University
issn 2076-3417
doi_str_mv 10.3390/app12010429
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description High-performance electron transport layer (ETL) anode generally needs to form a uniform dense layer with suitable conduction band position and good electron transport properties. The TiO2 photoanode is primarily applied as the ETL because it is low-cost, has diverse thin-film preparation methods and has good chemical stability. However, pure TiO2 is not an ideal ETL because it lacks several important criteria, such as low conductivity and conduction band mismatch with compositional-tailored perovskite. Thus, TiO2 is an inefficient photo-anode or ETL for high-performance perovskite devices. In this study, sulfur as dopant in the TiO2 photo-anode thin film is used to fabricate solid-state planar perovskite solar cells in relatively high humidity (40−50%). The deposited S-doped thin film improves the power conversion efficiency (PCE) of the device to 6.0%, with the un-doped TiO2 producing a PCE of 5.1% in the best device. Improvement in PCE is due to lower recombination and higher photocurrent density, resulting in 18% increase in PCE (5.1−6.0%).
published_date 2022-01-03T04:16:07Z
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score 11.035655

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