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Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating

Sara Cravanzola, Sagar Jain, Federico Cesano, Alessandro Damin, Domenica Scarano

RSC Adv., Volume: 5, Issue: 125, Pages: 103255 - 103264

Swansea University Author: Sagar Jain

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DOI (Published version): 10.1039/C5RA15003E

Abstract

Functional materials have a promising potential for the fabrication of new devices with improved properties to meet many requirements, including environmental issues. Along this idea, a multiphase structure made using a TiO2/MWCNT hybrid nanoscaffold grafted on a metal grating (stainless steel type)...

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Published in: RSC Adv.
ISSN: 2046-2069
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa32900
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spelling 2017-04-06T11:53:30.6159864 v2 32900 2017-04-02 Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating 7073e179bb5b82db3e3efd3a8cd07139 Sagar Jain Sagar Jain true false 2017-04-02 EEN Functional materials have a promising potential for the fabrication of new devices with improved properties to meet many requirements, including environmental issues. Along this idea, a multiphase structure made using a TiO2/MWCNT hybrid nanoscaffold grafted on a metal grating (stainless steel type), acting as a strong, highly durable and heat/thermal inert support, is proposed. The method, consisting firstly of the fabrication of a porous scaffold via catalytic-CVD of a MWCNT forest on stainless steel, followed by the grafting of nanocrystalline TiO2 via the sol–gel method and then calcination, is simple and effective. Morphology, structure and optical properties have been investigated using XRD, SEM, AFM, and HRTEM techniques as well as Raman and UV-visible spectroscopy, and porosity analysis. Interestingly, the TiO2/MWCNT hybrid composite exhibits enhanced photocatalytic activity as compared to nanocrystalline TiO2, obtained by adopting the same preparation. More interestingly, the hybrid system exhibits additional functionalities, such as magnetic, surface and optical properties. The multifunctional approach allows for the combination of enhanced photodegradation with magnetic properties, which can make the recovery of a solution from a photocatalyst easier. Furthermore, it will be shown that, by moving from MWCNT/stainless steel to TiO2/MWCNT/stainless steel composites, the surface character changes from hydrophobic to hydrophilic in nature. Grafting on the stainless steel support allows for the addition of a broad range of features, including combined strength and corrosion resistance in aqueous solutions at ambient temperature, together with enhancement of electrical, optical and photocatalytic properties. Journal Article RSC Adv. 5 125 103255 103264 2046-2069 31 12 2015 2015-12-31 10.1039/C5RA15003E COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2017-04-06T11:53:30.6159864 2017-04-02T00:43:59.6888427 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Sara Cravanzola 1 Sagar Jain 2 Federico Cesano 3 Alessandro Damin 4 Domenica Scarano 5
title Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
spellingShingle Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
Sagar Jain
title_short Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
title_full Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
title_fullStr Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
title_full_unstemmed Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
title_sort Development of a multifunctional TiO2/MWCNT hybrid composite grafted on a stainless steel grating
author_id_str_mv 7073e179bb5b82db3e3efd3a8cd07139
author_id_fullname_str_mv 7073e179bb5b82db3e3efd3a8cd07139_***_Sagar Jain
author Sagar Jain
author2 Sara Cravanzola
Sagar Jain
Federico Cesano
Alessandro Damin
Domenica Scarano
format Journal article
container_title RSC Adv.
container_volume 5
container_issue 125
container_start_page 103255
publishDate 2015
institution Swansea University
issn 2046-2069
doi_str_mv 10.1039/C5RA15003E
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 0
active_str 0
description Functional materials have a promising potential for the fabrication of new devices with improved properties to meet many requirements, including environmental issues. Along this idea, a multiphase structure made using a TiO2/MWCNT hybrid nanoscaffold grafted on a metal grating (stainless steel type), acting as a strong, highly durable and heat/thermal inert support, is proposed. The method, consisting firstly of the fabrication of a porous scaffold via catalytic-CVD of a MWCNT forest on stainless steel, followed by the grafting of nanocrystalline TiO2 via the sol–gel method and then calcination, is simple and effective. Morphology, structure and optical properties have been investigated using XRD, SEM, AFM, and HRTEM techniques as well as Raman and UV-visible spectroscopy, and porosity analysis. Interestingly, the TiO2/MWCNT hybrid composite exhibits enhanced photocatalytic activity as compared to nanocrystalline TiO2, obtained by adopting the same preparation. More interestingly, the hybrid system exhibits additional functionalities, such as magnetic, surface and optical properties. The multifunctional approach allows for the combination of enhanced photodegradation with magnetic properties, which can make the recovery of a solution from a photocatalyst easier. Furthermore, it will be shown that, by moving from MWCNT/stainless steel to TiO2/MWCNT/stainless steel composites, the surface character changes from hydrophobic to hydrophilic in nature. Grafting on the stainless steel support allows for the addition of a broad range of features, including combined strength and corrosion resistance in aqueous solutions at ambient temperature, together with enhancement of electrical, optical and photocatalytic properties.
published_date 2015-12-31T03:40:28Z
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score 11.013148

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