Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity

Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity

A series of composites consisting of g-C3N4 sheet and mesoporous Nb2O5 (mNb2O5) microsphere were fabricated by in situ hydrolysis deposition of NbCl5 onto g-C3N4 sheet followed by solvothermal treatment. The samples were characterized using powder X-ray diffraction (XRD), Fourier transform infrared...

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Main Authors: Meiyin Wang, Hui Wang, Yuanhang Ren, Cheng Wang, Zhewei Weng, Bin Yue, Heyong He
Format: Article
Language:English
Published: MDPI AG 2018-06-01
Series:Nanomaterials
Subjects:
photocatalytic degradation
g-C3N4
mesoporous Nb2O5
organic pollutant
Online Access:http://www.mdpi.com/2079-4991/8/6/427
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spelling doaj-7921dd0bf9b04f07bc68a5ff100455362020-11-24T22:06:44ZengMDPI AGNanomaterials2079-49912018-06-018642710.3390/nano8060427nano8060427Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic ActivityMeiyin Wang0Hui Wang1Yuanhang Ren2Cheng Wang3Zhewei Weng4Bin Yue5Heyong He6Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, ChinaA series of composites consisting of g-C3N4 sheet and mesoporous Nb2O5 (mNb2O5) microsphere were fabricated by in situ hydrolysis deposition of NbCl5 onto g-C3N4 sheet followed by solvothermal treatment. The samples were characterized using powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), N2 adsorption-desorption, X-ray photoelectron spectroscopy (XPS), UV-vis diffuse reflectance spectroscopy (DRS) and photoluminescence spectroscopy (PL). The photocatalytic activity of the composites was studied by degradation of rhodamine B (RhB) and tetracycline hydrochloride (TC-HCl) in aqueous solution under visible light irradiation (λ > 420 nm). Compared with g-C3N4 and mNb2O5, g-C3N4-mNb2O5 composites have higher photocatalytic activity due to synergistic effect between g-C3N4 and mNb2O5. Among these composites, 4% g-C3N4-mNb2O5 has the highest efficiency and good recyclability for degradation of both RhB and TC-HCl.http://www.mdpi.com/2079-4991/8/6/427photocatalytic degradationg-C3N4mesoporous Nb2O5organic pollutant
collection DOAJ
language English
format Article
sources DOAJ
author Meiyin Wang
Hui Wang
Yuanhang Ren
Cheng Wang
Zhewei Weng
Bin Yue
Heyong He
spellingShingle Meiyin Wang
Hui Wang
Yuanhang Ren
Cheng Wang
Zhewei Weng
Bin Yue
Heyong He
Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity
Nanomaterials
photocatalytic degradation
g-C3N4
mesoporous Nb2O5
organic pollutant
author_facet Meiyin Wang
Hui Wang
Yuanhang Ren
Cheng Wang
Zhewei Weng
Bin Yue
Heyong He
author_sort Meiyin Wang
title Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity
title_short Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity
title_full Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity
title_fullStr Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity
title_full_unstemmed Construction of g-C3N4-mNb2O5 Composites with Enhanced Visible Light Photocatalytic Activity
title_sort construction of g-c3n4-mnb2o5 composites with enhanced visible light photocatalytic activity
publisher MDPI AG
series Nanomaterials
issn 2079-4991
publishDate 2018-06-01
description A series of composites consisting of g-C3N4 sheet and mesoporous Nb2O5 (mNb2O5) microsphere were fabricated by in situ hydrolysis deposition of NbCl5 onto g-C3N4 sheet followed by solvothermal treatment. The samples were characterized using powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), N2 adsorption-desorption, X-ray photoelectron spectroscopy (XPS), UV-vis diffuse reflectance spectroscopy (DRS) and photoluminescence spectroscopy (PL). The photocatalytic activity of the composites was studied by degradation of rhodamine B (RhB) and tetracycline hydrochloride (TC-HCl) in aqueous solution under visible light irradiation (λ > 420 nm). Compared with g-C3N4 and mNb2O5, g-C3N4-mNb2O5 composites have higher photocatalytic activity due to synergistic effect between g-C3N4 and mNb2O5. Among these composites, 4% g-C3N4-mNb2O5 has the highest efficiency and good recyclability for degradation of both RhB and TC-HCl.
topic photocatalytic degradation
g-C3N4
mesoporous Nb2O5
organic pollutant
url http://www.mdpi.com/2079-4991/8/6/427
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AT huiwang constructionofgc3n4mnb2o5compositeswithenhancedvisiblelightphotocatalyticactivity
AT yuanhangren constructionofgc3n4mnb2o5compositeswithenhancedvisiblelightphotocatalyticactivity
AT chengwang constructionofgc3n4mnb2o5compositeswithenhancedvisiblelightphotocatalyticactivity
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AT binyue constructionofgc3n4mnb2o5compositeswithenhancedvisiblelightphotocatalyticactivity
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