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Pure and Applied Chemistry

The Scientific Journal of IUPAC

Ed. by Burrows, Hugh / Stohner, Jürgen


IMPACT FACTOR 2018: 2.350
5-year IMPACT FACTOR: 4.037

CiteScore 2018: 4.66

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1365-3075
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Volume 90, Issue 2

Issues

An ion-exchange strategy for I-doped BiOCOOH nanoplates with enhanced visible light photocatalytic NOx removal

Xin Feng
  • Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
  • Other articles by this author:
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/ Xinwei Li
  • Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
  • Other articles by this author:
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/ Wen Cui
  • Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
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/ Fan Dong
  • Corresponding author
  • Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
  • Email
  • Other articles by this author:
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/ Tierui ZhangORCID iD: http://orcid.org/0000-0002-7948-9413
  • Corresponding author
  • Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  • University of Chinese Academy of Sciences, Beijing 10049, China
  • orcid.org/0000-0002-7948-9413
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  • Other articles by this author:
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Published Online: 2017-11-14 | DOI: https://doi.org/10.1515/pac-2017-0509

Abstract

A simple ion-exchange method was developed for I-doped BiOCOOH nanoplates from the replacement of COOH ions with I ions in the interlayers of BiOCOOH. The as-prepared catalysts were characterized by XRD, SEM, TEM, XPS, UV-vis DRS PL and photocurrent generation. The photocatalytic activity of the as-prepared catalysts was evaluated by removal of NO in air at ppb level under visible light irradiation. As expected, the I-doped BiOCOOH (IHB-X, the X represents the molar ratio of KI to BiOCOOH) displayed increased visible light absorption and enhanced charge separation due to I-doping. At a saturate I-doping content, the IHB-1.00 catalyst with optimized electronic structure demonstrated the highest NO removal of 49.7% and excellent photochemical stability. This present work has demonstrated a new strategy for modification of layered photocatalyst via ion exchange.

Keywords: BiOCOOH; charge separation; ICGC-6; interlayered I-doping; visible-light photocatalysis; NO removal

Article note:

A collection of invited papers based on presentations at the 6th international IUPAC Conference on Green Chemistry (ICGC-6), Venice (Italy), 4–8 September 2016.

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About the article

Published Online: 2017-11-14

Published in Print: 2018-02-23


Citation Information: Pure and Applied Chemistry, Volume 90, Issue 2, Pages 353–361, ISSN (Online) 1365-3075, ISSN (Print) 0033-4545, DOI: https://doi.org/10.1515/pac-2017-0509.

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