Solvothermal synthesis of multiwall carbon nanotubes/BiOI photocatalysts for the efficient degradation of antipyrine under visible light.

Antipyrine Catalysis Chromatography, Liquid Light Nanotubes, Carbon Tandem Mass Spectrometry
3D hierarchical structure Antipyrine Photocatalytic Visible light

Journal

Environmental research
ISSN: 1096-0953
Titre abrégé: Environ Res
Pays: Netherlands
ID NLM: 0147621

Informations de publication

Date de publication:
06 2020
Historique:
received: 25 11 2019
revised: 21 02 2020
accepted: 30 03 2020
pubmed: 12 4 2020
medline: 21 11 2020
entrez: 12 4 2020
Statut: ppublish

Résumé

Antipyrine (ANT), as a widely used relieve headache, fever anti-inflammatory pharmaceutical in medical treatment, is difficult to be removed completely in water. The application of photocatalytic removal of ANT is restricted to UV light irradiation (<5% of solar energy), and the degradation pathways of ANT require more theoretical evidence. In this study, a series of three dimensions (3D) hierarchical structure multiwall carbon nanotubes/bismuth oxyiodide (MWCNTs/BiOI) photocatalysts were systematically designed and firstly applied to remove ANT through visible light (>43% of solar energy) induced photodegradation. Consequently, the as-prepared MWCNTs/BiOI photocatalysts presented superior photocatalytic activities on ANT degradation with respect to that of BiOI under 60 min visible light irradiation (100% vs 82.2%). Especially, the enhanced photocatalytic mechanism on ANT was analyzed by morphology, optical and photo-electrochemical properties. Results revealed that the designed 3D micro-mesoporous structure could promote the diffusion of photogenerated electron-hole pairs, and the utilization of photoelectrons could be efficiently improved by MWCNTs (1.5 times). Furthermore, based on radicals scavenging experiments, the photogenerated hole (h

Identifiants

DOI: 10.1016/j.envres.2020.109468 PMID: 32278160
pubmed: 32278160
pii: S0013-9351(20)30361-3
doi: 10.1016/j.envres.2020.109468
pii:
doi:

Substances chimiques

Nanotubes, Carbon 0
Antipyrine T3CHA1B51H

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

109468

Informations de copyright

Copyright © 2020 Elsevier Inc. All rights reserved.

Auteurs

Peng Gao (P)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China.

Ze Yin (Z)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China.

Li Feng (L)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China.

Yongze Liu (Y)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China.

Ziwen Du (Z)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China.

Zhiying Duan (Z)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China.

Liqiu Zhang (L)

Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-remediation, Beijing Forestry University, Beijing, 100083, PR China. Electronic address: zhangliqiu@163.com.

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Classifications MeSH

questionsmedicales.fr › Composés hétérocycliques › Composés hétéromonocycliques › Azoles › Pyrazoles › Pyrazolones › Phénazone › Solvothermal synthesis of multiwall carbon...
questionsmedicales.fr › Phénomènes chimiques › Catalyse › Solvothermal synthesis of multiwall carbon...
questionsmedicales.fr › Techniques d'investigation › Techniques de chimie analytique › Chromatographie › Chromatographie en phase liquide › Solvothermal synthesis of multiwall carbon...
questionsmedicales.fr › Phénomènes physiques › Rayonnement › Rayonnement non ionisant › Lumière › Solvothermal synthesis of multiwall carbon...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Nanostructures › Nanotubes › Nanotubes de carbone › Solvothermal synthesis of multiwall carbon...
questionsmedicales.fr › Techniques d'investigation › Techniques de chimie analytique › Spectrométrie de masse › Spectrométrie de masse en tandem › Solvothermal synthesis of multiwall carbon...