Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol

Abstract It is a great challenge to convert thermochemically stable CO2 into value-added products such as CH4, CH3OH, CO via utilizing solar energy. It is also a difficult task to develop an efficient catalyst for the reduction of CO2. We have designed and synthesized noble metal-free photocatalytic...

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Autores principales:	Penumaka Nagababu, Sehba Anjum Mumtaz Ahmed, Y. Taraka Prabhu, Ankush kularkar, Subhamoy Bhowmick, Sadhana S. Rayalu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/dccc1958acdd44abaf1ebafc460b379e
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spelling	oai:doaj.org-article:dccc1958acdd44abaf1ebafc460b379e2021-12-02T14:28:00ZSynthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol10.1038/s41598-021-87625-w2045-2322https://doaj.org/article/dccc1958acdd44abaf1ebafc460b379e2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87625-whttps://doaj.org/toc/2045-2322Abstract It is a great challenge to convert thermochemically stable CO2 into value-added products such as CH4, CH3OH, CO via utilizing solar energy. It is also a difficult task to develop an efficient catalyst for the reduction of CO2. We have designed and synthesized noble metal-free photocatalytic nanostructure Ni2P/CdS and Pt/TiO2 for conversion of CO2 to methanol in the presence of sacrificial donor triethylamine (TEA) and hydrogen peroxide. The synthesised catalysts physicochemical properties were studied by using several spectroscopic techniques like; XRD, UV-DRS, XPS, TEM, SEM and PL. Quantification of methanol by GC–MS showed encouraging results of 1424.8 and 2843 μmol g−1 of catalyst for Pt/TiO2 and 5 wt% Ni2P/CdS composites, respectively. Thus, Ni2P/CdS is a promising catalyst with higher productivity and significant selectivity than in-vogue catalysts.Penumaka NagababuSehba Anjum Mumtaz AhmedY. Taraka PrabhuAnkush kularkarSubhamoy BhowmickSadhana S. RayaluNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Penumaka Nagababu Sehba Anjum Mumtaz Ahmed Y. Taraka Prabhu Ankush kularkar Subhamoy Bhowmick Sadhana S. Rayalu Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol
description	Abstract It is a great challenge to convert thermochemically stable CO2 into value-added products such as CH4, CH3OH, CO via utilizing solar energy. It is also a difficult task to develop an efficient catalyst for the reduction of CO2. We have designed and synthesized noble metal-free photocatalytic nanostructure Ni2P/CdS and Pt/TiO2 for conversion of CO2 to methanol in the presence of sacrificial donor triethylamine (TEA) and hydrogen peroxide. The synthesised catalysts physicochemical properties were studied by using several spectroscopic techniques like; XRD, UV-DRS, XPS, TEM, SEM and PL. Quantification of methanol by GC–MS showed encouraging results of 1424.8 and 2843 μmol g−1 of catalyst for Pt/TiO2 and 5 wt% Ni2P/CdS composites, respectively. Thus, Ni2P/CdS is a promising catalyst with higher productivity and significant selectivity than in-vogue catalysts.
format	article
author	Penumaka Nagababu Sehba Anjum Mumtaz Ahmed Y. Taraka Prabhu Ankush kularkar Subhamoy Bhowmick Sadhana S. Rayalu
author_facet	Penumaka Nagababu Sehba Anjum Mumtaz Ahmed Y. Taraka Prabhu Ankush kularkar Subhamoy Bhowmick Sadhana S. Rayalu
author_sort	Penumaka Nagababu
title	Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol
title_short	Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol
title_full	Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol
title_fullStr	Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol
title_full_unstemmed	Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol
title_sort	synthesis of ni2p/cds and pt/tio2 nanocomposite for photoreduction of co2 into methanol
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/dccc1958acdd44abaf1ebafc460b379e
work_keys_str_mv	AT penumakanagababu synthesisofni2pcdsandpttio2nanocompositeforphotoreductionofco2intomethanol AT sehbaanjummumtazahmed synthesisofni2pcdsandpttio2nanocompositeforphotoreductionofco2intomethanol AT ytarakaprabhu synthesisofni2pcdsandpttio2nanocompositeforphotoreductionofco2intomethanol AT ankushkularkar synthesisofni2pcdsandpttio2nanocompositeforphotoreductionofco2intomethanol AT subhamoybhowmick synthesisofni2pcdsandpttio2nanocompositeforphotoreductionofco2intomethanol AT sadhanasrayalu synthesisofni2pcdsandpttio2nanocompositeforphotoreductionofco2intomethanol
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Synthesis of Ni2P/CdS and Pt/TiO2 nanocomposite for photoreduction of CO2 into methanol

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