Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes

Three-dimensional mesoporous TiO<sub>2</sub> scaffolds of anatase phase possess inherent eximious optical behavior that is beneficial for photoelectrodes used for solar energy conversion applications. In this regard; substantial efforts have been devoted to maximizing the UV and/or visib...

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Autores principales:	Anum Iqbal, Nasser M. Hamdan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	transition metal carbides power conversion efficiency (PCE) surface plasmon resonance (SPR) nano structuring photocatalyst Mxene Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/e31dfb9a680a4576bcac7eb7d78dccfd
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spelling	oai:doaj.org-article:e31dfb9a680a4576bcac7eb7d78dccfd2021-11-11T17:52:04ZInvestigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes10.3390/ma142162921996-1944https://doaj.org/article/e31dfb9a680a4576bcac7eb7d78dccfd2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6292https://doaj.org/toc/1996-1944Three-dimensional mesoporous TiO<sub>2</sub> scaffolds of anatase phase possess inherent eximious optical behavior that is beneficial for photoelectrodes used for solar energy conversion applications. In this regard; substantial efforts have been devoted to maximizing the UV and/or visible light absorption efficiency; and suppressing the annihilation of photogenerated charged species; in pristine mesoporous TiO<sub>2</sub> structures for improved solar illumination conversion efficiency. This study provides fundamental insights into the use of Mxene functionalized mesoporous TiO<sub>2</sub> as a photoelectrode. This novel combination of Mxene functionalized TiO<sub>2</sub> electrodes with and without TiCl<sub>4</sub> treatment was successfully optimized to intensify the process of photon absorption; charge segregation and photocurrent; resulting in superior photoelectrode performance. The photocurrent measurements of the prepared photoelectrodes were significantly enhanced with increased contents of Mxene due to improved absorption efficiency within the visible region; as verified by UV–Vis absorption spectroscopy. The anatase phase of TiO<sub>2</sub> was significantly augmented due to increased contents of Mxene and postdeposition heat treatments; as evidenced by structural analysis. Consequently; an appreciable coverage of well-developed grains on the FTO surface was observed in SEM images. As such; these newly fabricated conductive mesoporous TiO<sub>2</sub> photoelectrodes are potential candidates for photoinduced energy conversion and storage applications.Anum IqbalNasser M. HamdanMDPI AGarticletransition metal carbidespower conversion efficiency (PCE)surface plasmon resonance (SPR)nano structuringphotocatalystMxeneTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6292, p 6292 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	transition metal carbides power conversion efficiency (PCE) surface plasmon resonance (SPR) nano structuring photocatalyst Mxene Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	transition metal carbides power conversion efficiency (PCE) surface plasmon resonance (SPR) nano structuring photocatalyst Mxene Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Anum Iqbal Nasser M. Hamdan Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes
description	Three-dimensional mesoporous TiO<sub>2</sub> scaffolds of anatase phase possess inherent eximious optical behavior that is beneficial for photoelectrodes used for solar energy conversion applications. In this regard; substantial efforts have been devoted to maximizing the UV and/or visible light absorption efficiency; and suppressing the annihilation of photogenerated charged species; in pristine mesoporous TiO<sub>2</sub> structures for improved solar illumination conversion efficiency. This study provides fundamental insights into the use of Mxene functionalized mesoporous TiO<sub>2</sub> as a photoelectrode. This novel combination of Mxene functionalized TiO<sub>2</sub> electrodes with and without TiCl<sub>4</sub> treatment was successfully optimized to intensify the process of photon absorption; charge segregation and photocurrent; resulting in superior photoelectrode performance. The photocurrent measurements of the prepared photoelectrodes were significantly enhanced with increased contents of Mxene due to improved absorption efficiency within the visible region; as verified by UV–Vis absorption spectroscopy. The anatase phase of TiO<sub>2</sub> was significantly augmented due to increased contents of Mxene and postdeposition heat treatments; as evidenced by structural analysis. Consequently; an appreciable coverage of well-developed grains on the FTO surface was observed in SEM images. As such; these newly fabricated conductive mesoporous TiO<sub>2</sub> photoelectrodes are potential candidates for photoinduced energy conversion and storage applications.
format	article
author	Anum Iqbal Nasser M. Hamdan
author_facet	Anum Iqbal Nasser M. Hamdan
author_sort	Anum Iqbal
title	Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes
title_short	Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes
title_full	Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes
title_fullStr	Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes
title_full_unstemmed	Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes
title_sort	investigation and optimization of mxene functionalized mesoporous titania films as efficient photoelectrodes
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e31dfb9a680a4576bcac7eb7d78dccfd
work_keys_str_mv	AT anumiqbal investigationandoptimizationofmxenefunctionalizedmesoporoustitaniafilmsasefficientphotoelectrodes AT nassermhamdan investigationandoptimizationofmxenefunctionalizedmesoporoustitaniafilmsasefficientphotoelectrodes
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Investigation and Optimization of Mxene Functionalized Mesoporous Titania Films as Efficient Photoelectrodes

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