Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light

In this study potassium salts such as KF, KCl and KBr were doped onto g-C3N4 to form KX-g-C3N4 (X = F, Cl and Br) via a thermal method. The KX-g-C3N4 was characterized by various instrumentation techniques such as UV–visible, FT-IR, XRD, Photoluminescence, TGA, BET, Raman, SEM, EDAX, HR-TEM, and Zet...

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Autores principales:	E. Prabakaran, T. Velempini, M. Molefe, K. Pillay
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	KX-g-C3N4 Photocatalyst Methylene blue Visible light irradiation Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/f0b97de8fec9446c9f89ff208a355262
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spelling	oai:doaj.org-article:f0b97de8fec9446c9f89ff208a3552622021-12-04T04:34:25ZComparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light2238-785410.1016/j.jmrt.2021.10.128https://doaj.org/article/f0b97de8fec9446c9f89ff208a3552622021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012655https://doaj.org/toc/2238-7854In this study potassium salts such as KF, KCl and KBr were doped onto g-C3N4 to form KX-g-C3N4 (X = F, Cl and Br) via a thermal method. The KX-g-C3N4 was characterized by various instrumentation techniques such as UV–visible, FT-IR, XRD, Photoluminescence, TGA, BET, Raman, SEM, EDAX, HR-TEM, and Zeta potential. KX-g-C3N4 was explored for the photocatalytic degradation of methylene blue (MB) under visible light irradiation. Among them, KF-g-C3N4 showed excellent photocatalytic degradation of methylene blue (MB) under visible light irradiation. The KF-g-C3N4 significantly reduced the electrons–holes recombination rate when compared to KCl-g-C3N4, KBr-g-C3N4 and g-C3N4. The photocatalytic degradation mechanism was also studied with KF-g-C3N4.E. PrabakaranT. VelempiniM. MolefeK. PillayElsevierarticleKX-g-C3N4PhotocatalystMethylene blueVisible light irradiationMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 6340-6355 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	KX-g-C3N4 Photocatalyst Methylene blue Visible light irradiation Mining engineering. Metallurgy TN1-997
spellingShingle	KX-g-C3N4 Photocatalyst Methylene blue Visible light irradiation Mining engineering. Metallurgy TN1-997 E. Prabakaran T. Velempini M. Molefe K. Pillay Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
description	In this study potassium salts such as KF, KCl and KBr were doped onto g-C3N4 to form KX-g-C3N4 (X = F, Cl and Br) via a thermal method. The KX-g-C3N4 was characterized by various instrumentation techniques such as UV–visible, FT-IR, XRD, Photoluminescence, TGA, BET, Raman, SEM, EDAX, HR-TEM, and Zeta potential. KX-g-C3N4 was explored for the photocatalytic degradation of methylene blue (MB) under visible light irradiation. Among them, KF-g-C3N4 showed excellent photocatalytic degradation of methylene blue (MB) under visible light irradiation. The KF-g-C3N4 significantly reduced the electrons–holes recombination rate when compared to KCl-g-C3N4, KBr-g-C3N4 and g-C3N4. The photocatalytic degradation mechanism was also studied with KF-g-C3N4.
format	article
author	E. Prabakaran T. Velempini M. Molefe K. Pillay
author_facet	E. Prabakaran T. Velempini M. Molefe K. Pillay
author_sort	E. Prabakaran
title	Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
title_short	Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
title_full	Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
title_fullStr	Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
title_full_unstemmed	Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
title_sort	comparative study of kf, kcl and kbr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/f0b97de8fec9446c9f89ff208a355262
work_keys_str_mv	AT eprabakaran comparativestudyofkfkclandkbrdopedwithgraphiticcarbonnitrideforsuperiorphotocatalyticdegradationofmethyleneblueundervisiblelight AT tvelempini comparativestudyofkfkclandkbrdopedwithgraphiticcarbonnitrideforsuperiorphotocatalyticdegradationofmethyleneblueundervisiblelight AT mmolefe comparativestudyofkfkclandkbrdopedwithgraphiticcarbonnitrideforsuperiorphotocatalyticdegradationofmethyleneblueundervisiblelight AT kpillay comparativestudyofkfkclandkbrdopedwithgraphiticcarbonnitrideforsuperiorphotocatalyticdegradationofmethyleneblueundervisiblelight
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Comparative study of KF, KCl and KBr doped with graphitic carbon nitride for superior photocatalytic degradation of methylene blue under visible light

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