Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells

Summary: Incorporation of as prepared single-walled carbon nanotubes (SWCNTs) into the electron transporting layer (ETL) is an effective strategy to enhance the photovoltaic performance of perovskite solar cells (PSCs). However, the fundamental role of the SWCNT electrical types in the PSCs is not w...

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Main Authors:	Abdulaziz S.R. Bati, LePing Yu, Sherif Abdulkader Tawfik, Michelle J.S. Spencer, Paul E. Shaw, Munkhbayar Batmunkh, Joseph G. Shapter
Format:	Article
Language:	English
Published:	Elsevier 2019-04-01
Series:	iScience
Online Access:	http://www.sciencedirect.com/science/article/pii/S2589004219300811

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spelling	doaj-142b9e54a8a84df197a5a835792bfad12020-11-25T02:37:33ZengElsevieriScience2589-00422019-04-0114100112Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar CellsAbdulaziz S.R. Bati0LePing Yu1Sherif Abdulkader Tawfik2Michelle J.S. Spencer3Paul E. Shaw4Munkhbayar Batmunkh5Joseph G. Shapter6Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, AustraliaCollege of Science and Engineering, Flinders University, Adelaide, SA 5042, AustraliaSchool of Science, RMIT University, GPO Box 2476, Melbourne, VIC 3001, AustraliaSchool of Science, RMIT University, GPO Box 2476, Melbourne, VIC 3001, AustraliaSchool of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, AustraliaAustralian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia; College of Science and Engineering, Flinders University, Adelaide, SA 5042, AustraliaAustralian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia; College of Science and Engineering, Flinders University, Adelaide, SA 5042, Australia; Corresponding authorSummary: Incorporation of as prepared single-walled carbon nanotubes (SWCNTs) into the electron transporting layer (ETL) is an effective strategy to enhance the photovoltaic performance of perovskite solar cells (PSCs). However, the fundamental role of the SWCNT electrical types in the PSCs is not well understood. Herein, we prepared semiconducting (s-) and metallic (m-) SWCNT families and integrated them into TiO2 photoelectrodes of the PSCs. Based on experimental and theoretical studies, we found that the electrical type of the nanotubes plays an important role in the devices. In particular, the mixture of s-SWCNTs and m-SWCNTs (2:1 w/w)-based PSCs exhibited a remarkable efficiency of up to 19.35%, which was significantly higher than that of the best control cell (17.04%). In this class of PSCs, semiconducting properties of s-SWCNTs play a critical role in extracting and transporting electrons, whereas m-SWCNTs provide high conductance throughout the electrode. : Separation Science; Nanotechnology Fabrication; Materials Science; Energy Materials Subject Areas: Separation Science, Nanotechnology Fabrication, Materials Science, Energy Materialshttp://www.sciencedirect.com/science/article/pii/S2589004219300811
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Abdulaziz S.R. Bati LePing Yu Sherif Abdulkader Tawfik Michelle J.S. Spencer Paul E. Shaw Munkhbayar Batmunkh Joseph G. Shapter
spellingShingle	Abdulaziz S.R. Bati LePing Yu Sherif Abdulkader Tawfik Michelle J.S. Spencer Paul E. Shaw Munkhbayar Batmunkh Joseph G. Shapter Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells iScience
author_facet	Abdulaziz S.R. Bati LePing Yu Sherif Abdulkader Tawfik Michelle J.S. Spencer Paul E. Shaw Munkhbayar Batmunkh Joseph G. Shapter
author_sort	Abdulaziz S.R. Bati
title	Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells
title_short	Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells
title_full	Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells
title_fullStr	Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells
title_full_unstemmed	Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells
title_sort	electrically sorted single-walled carbon nanotubes-based electron transporting layers for perovskite solar cells
publisher	Elsevier
series	iScience
issn	2589-0042
publishDate	2019-04-01
description	Summary: Incorporation of as prepared single-walled carbon nanotubes (SWCNTs) into the electron transporting layer (ETL) is an effective strategy to enhance the photovoltaic performance of perovskite solar cells (PSCs). However, the fundamental role of the SWCNT electrical types in the PSCs is not well understood. Herein, we prepared semiconducting (s-) and metallic (m-) SWCNT families and integrated them into TiO2 photoelectrodes of the PSCs. Based on experimental and theoretical studies, we found that the electrical type of the nanotubes plays an important role in the devices. In particular, the mixture of s-SWCNTs and m-SWCNTs (2:1 w/w)-based PSCs exhibited a remarkable efficiency of up to 19.35%, which was significantly higher than that of the best control cell (17.04%). In this class of PSCs, semiconducting properties of s-SWCNTs play a critical role in extracting and transporting electrons, whereas m-SWCNTs provide high conductance throughout the electrode. : Separation Science; Nanotechnology Fabrication; Materials Science; Energy Materials Subject Areas: Separation Science, Nanotechnology Fabrication, Materials Science, Energy Materials
url	http://www.sciencedirect.com/science/article/pii/S2589004219300811
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Electrically Sorted Single-Walled Carbon Nanotubes-Based Electron Transporting Layers for Perovskite Solar Cells

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