The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe2O4/BGA Composite under Visible Light

The MnFe2O4/BGA (boron-doped graphene aerogel) composite was prepared by hydrothermal treatment of MnFe2O4 particles, boric acid, and graphene oxide. When applied as a photo-Fenton catalyst for the degradatio...

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Main Authors:	Qian Li, Xiaoyu Jiang, Yongfu Lian
Format:	Article
Language:	English
Published:	MDPI AG 2021-05-01
Series:	Nanomaterials
Subjects:	manganese ferrite boron-doped graphene aerogel degrading efficiency
Online Access:	https://www.mdpi.com/2079-4991/11/5/1276

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spelling	doaj-15413540536c4675937e20def9862e4b2021-05-31T23:52:42ZengMDPI AGNanomaterials2079-49912021-05-01111276127610.3390/nano11051276The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible LightQian Li0Xiaoyu Jiang1Yongfu Lian2Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, ChinaKey Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, ChinaKey Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, ChinaThe MnFe<sub>2</sub>O<sub>4</sub>/BGA (boron-doped graphene aerogel) composite was prepared by hydrothermal treatment of MnFe<sub>2</sub>O<sub>4</sub> particles, boric acid, and graphene oxide. When applied as a photo-Fenton catalyst for the degradation of rhodamine B, the MnFe<sub>2</sub>O<sub>4</sub>/BGA composite yielded a degradation efficiency much higher than the sum of those of individual MnFe<sub>2</sub>O<sub>4</sub> and BGA under identical experimental conditions, indicating a strong synergetic effect established between MnFe<sub>2</sub>O<sub>4</sub> and BGA. The catalytic degradation of rhodamine B was proved to follow pseudo first-order kinetics, and the apparent reaction rate constant on the MnFe<sub>2</sub>O<sub>4</sub>/BGA composite was calculated to be three- and seven-fold that on BGA and MnFe<sub>2</sub>O<sub>4</sub>, respectively. Moreover, the MnFe<sub>2</sub>O<sub>4</sub>/BGA composite also demonstrated good reusability and could be reused for four cycles without obvious loss of photocatalytic activity.https://www.mdpi.com/2079-4991/11/5/1276manganese ferriteboron-doped graphene aerogeldegrading efficiency
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Qian Li Xiaoyu Jiang Yongfu Lian
spellingShingle	Qian Li Xiaoyu Jiang Yongfu Lian The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light Nanomaterials manganese ferrite boron-doped graphene aerogel degrading efficiency
author_facet	Qian Li Xiaoyu Jiang Yongfu Lian
author_sort	Qian Li
title	The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light
title_short	The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light
title_full	The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light
title_fullStr	The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light
title_full_unstemmed	The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light
title_sort	efficient photocatalytic degradation of organic pollutants on the mnfe<sub>2</sub>o<sub>4</sub>/bga composite under visible light
publisher	MDPI AG
series	Nanomaterials
issn	2079-4991
publishDate	2021-05-01
description	The MnFe<sub>2</sub>O<sub>4</sub>/BGA (boron-doped graphene aerogel) composite was prepared by hydrothermal treatment of MnFe<sub>2</sub>O<sub>4</sub> particles, boric acid, and graphene oxide. When applied as a photo-Fenton catalyst for the degradation of rhodamine B, the MnFe<sub>2</sub>O<sub>4</sub>/BGA composite yielded a degradation efficiency much higher than the sum of those of individual MnFe<sub>2</sub>O<sub>4</sub> and BGA under identical experimental conditions, indicating a strong synergetic effect established between MnFe<sub>2</sub>O<sub>4</sub> and BGA. The catalytic degradation of rhodamine B was proved to follow pseudo first-order kinetics, and the apparent reaction rate constant on the MnFe<sub>2</sub>O<sub>4</sub>/BGA composite was calculated to be three- and seven-fold that on BGA and MnFe<sub>2</sub>O<sub>4</sub>, respectively. Moreover, the MnFe<sub>2</sub>O<sub>4</sub>/BGA composite also demonstrated good reusability and could be reused for four cycles without obvious loss of photocatalytic activity.
topic	manganese ferrite boron-doped graphene aerogel degrading efficiency
url	https://www.mdpi.com/2079-4991/11/5/1276
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The Efficient Photocatalytic Degradation of Organic Pollutants on the MnFe<sub>2</sub>O<sub>4</sub>/BGA Composite under Visible Light

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