Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation

A NiO/CdO nanocomposites was fabricated using precipitation deposition method. The as-prepared photocatalyst was generally characterized by various spectral techniques like XRD, SEM, EDAX, UV-DRS, FT-IR, TEM and BET spectral techniques. The synthesized nanocomposite of CdO/NiO were used in the remov...

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Autores principales:	V. Ramasamy Raja, K. Muthupandi, L. Nithya
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2021
Materias:	CdO-NiO Nanocomposites Rose bengal Photodegradation and visible light Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/69716120cadc4e94b5fdcead949289d2
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spelling	oai:doaj.org-article:69716120cadc4e94b5fdcead949289d22021-11-16T04:11:12ZFacile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation2590-182610.1016/j.enceco.2020.12.003https://doaj.org/article/69716120cadc4e94b5fdcead949289d22021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2590182621000059https://doaj.org/toc/2590-1826A NiO/CdO nanocomposites was fabricated using precipitation deposition method. The as-prepared photocatalyst was generally characterized by various spectral techniques like XRD, SEM, EDAX, UV-DRS, FT-IR, TEM and BET spectral techniques. The synthesized nanocomposite of CdO/NiO were used in the removal of Rose Bengal (RB) as a model organic pollutant under the irradiation of visible light. The XRD pattern of the composite resulted in the cubic CdO and NiO diffraction peaks. EDX spectrum confirms the presence of the elements Cd, Ni and O in the composite. The optical response for the composite showed the presence of separate adsorption signature for CdO and NiO in the visible region at about 510 nm and 380 nm respectively. Among the as-prepared nanocomposites the one of 5% CdO/NiO displays the best photocatalytic activity of the degradation. Various parameters like photocatalyst stability, Catalyst dosage, pH and initial dye concentration were investigated. The investigations of the adsorption kinetics and isotherm shows the adsorption process with pseudo-first- order kinetics by Langmuir adsorption isotherm. The synthesized catalyst has the capacity for the enhancement thereby opening up a new opportunities in various areas in photocatalysis.V. Ramasamy RajaK. MuthupandiL. NithyaKeAi Communications Co., Ltd.articleCdO-NiONanocompositesRose bengalPhotodegradation and visible lightEnvironmental technology. Sanitary engineeringTD1-1066ENEnvironmental Chemistry and Ecotoxicology, Vol 3, Iss , Pp 76-84 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CdO-NiO Nanocomposites Rose bengal Photodegradation and visible light Environmental technology. Sanitary engineering TD1-1066
spellingShingle	CdO-NiO Nanocomposites Rose bengal Photodegradation and visible light Environmental technology. Sanitary engineering TD1-1066 V. Ramasamy Raja K. Muthupandi L. Nithya Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation
description	A NiO/CdO nanocomposites was fabricated using precipitation deposition method. The as-prepared photocatalyst was generally characterized by various spectral techniques like XRD, SEM, EDAX, UV-DRS, FT-IR, TEM and BET spectral techniques. The synthesized nanocomposite of CdO/NiO were used in the removal of Rose Bengal (RB) as a model organic pollutant under the irradiation of visible light. The XRD pattern of the composite resulted in the cubic CdO and NiO diffraction peaks. EDX spectrum confirms the presence of the elements Cd, Ni and O in the composite. The optical response for the composite showed the presence of separate adsorption signature for CdO and NiO in the visible region at about 510 nm and 380 nm respectively. Among the as-prepared nanocomposites the one of 5% CdO/NiO displays the best photocatalytic activity of the degradation. Various parameters like photocatalyst stability, Catalyst dosage, pH and initial dye concentration were investigated. The investigations of the adsorption kinetics and isotherm shows the adsorption process with pseudo-first- order kinetics by Langmuir adsorption isotherm. The synthesized catalyst has the capacity for the enhancement thereby opening up a new opportunities in various areas in photocatalysis.
format	article
author	V. Ramasamy Raja K. Muthupandi L. Nithya
author_facet	V. Ramasamy Raja K. Muthupandi L. Nithya
author_sort	V. Ramasamy Raja
title	Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation
title_short	Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation
title_full	Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation
title_fullStr	Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation
title_full_unstemmed	Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation
title_sort	facile synthesis of heterogeneous cdo-nio nanocomposite with efficient photocatalytic activity under visible light irradiation
publisher	KeAi Communications Co., Ltd.
publishDate	2021
url	https://doaj.org/article/69716120cadc4e94b5fdcead949289d2
work_keys_str_mv	AT vramasamyraja facilesynthesisofheterogeneouscdonionanocompositewithefficientphotocatalyticactivityundervisiblelightirradiation AT kmuthupandi facilesynthesisofheterogeneouscdonionanocompositewithefficientphotocatalyticactivityundervisiblelightirradiation AT lnithya facilesynthesisofheterogeneouscdonionanocompositewithefficientphotocatalyticactivityundervisiblelightirradiation
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Facile synthesis of heterogeneous CdO-NiO nanocomposite with efficient photocatalytic activity under visible light irradiation

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