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Perovskite Oxide LaNiO3 Nanoparticles for Boosting H2 Evolution over Commercial CdS with Visible Light

LaNiO/CdS heterojunction photocatalysts are constructed by compositing LaNiO nanoparticles with commercially available CdS, and are used for efficient photocatalytic splitting of HO with visible light. The LaNiO/CdS hybrids are characterized systematically using a series of physicochemical technique... Full description

Journal Title: Chemistry – A European Journal 10 December 2018, Vol.24(69), pp.18512-18517
Main Author: Xu, Junli
Other Authors: Sun, Chunfang , Wang, Zhaoyu , Hou, Yidong , Ding, Zhengxin , Wang, Sibo
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0947-6539 ; E-ISSN: 1521-3765 ; DOI: 10.1002/chem.201802920
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recordid: wj10.1002/chem.201802920
title: Perovskite Oxide LaNiO3 Nanoparticles for Boosting H2 Evolution over Commercial CdS with Visible Light
format: Article
creator:
  • Xu, Junli
  • Sun, Chunfang
  • Wang, Zhaoyu
  • Hou, Yidong
  • Ding, Zhengxin
  • Wang, Sibo
subjects:
  • Cadmium Sulfide
  • Hydrogen Evolution
  • Nanoparticles
  • Perovskite Oxides
  • Photocatalysis
  • Water Splitting
ispartof: Chemistry – A European Journal, 10 December 2018, Vol.24(69), pp.18512-18517
description: LaNiO/CdS heterojunction photocatalysts are constructed by compositing LaNiO nanoparticles with commercially available CdS, and are used for efficient photocatalytic splitting of HO with visible light. The LaNiO/CdS hybrids are characterized systematically using a series of physicochemical techniques. The photocatalytic activity of the perovskite hybrids is examined by H evolution with NaS‐NaSO as the hole scavenger. The optimized LaNiO/CdS sample without the assistance of any cocatalyst (e.g., Pt) delivers a high H production rate of 74 μmol h (e.g., 3700 μmol h g), which is substantially superior to the individual LaNiO and CdS. Besides, the composite photocatalyst also manifests high stability. The greatly improved H production performance of LaNiO/CdS is attributed to the facilitated separation and transport of photoinduced charge carriers, as evidenced by photoelectrochemical (PEC) analyses, such as photoluminscence spectroscopy, transient photocurrent responses, and electrochemical impedance spectroscopy. Moreover, a probable photocatalytic mechanism of the H evolution reaction is proposed on the basis of the results of the catalysis evaluation and PEC tests. : Nonprecious perovskite‐based LaNiO/CdS heterojunction photocatalysts are fabricated by coupling LaNiO nanoparticles with the commercial CdS semiconductor (see figure) for efficient photocatalytic HO splitting under visible light irradiation, affording a high H evolution rate of 74 μmol h (e.g., 3700 μmol h g).
language: eng
source:
identifier: ISSN: 0947-6539 ; E-ISSN: 1521-3765 ; DOI: 10.1002/chem.201802920
fulltext: fulltext
issn:
  • 0947-6539
  • 09476539
  • 1521-3765
  • 15213765
url: Link


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titlePerovskite Oxide LaNiO3 Nanoparticles for Boosting H2 Evolution over Commercial CdS with Visible Light
creatorXu, Junli ; Sun, Chunfang ; Wang, Zhaoyu ; Hou, Yidong ; Ding, Zhengxin ; Wang, Sibo
ispartofChemistry – A European Journal, 10 December 2018, Vol.24(69), pp.18512-18517
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subjectCadmium Sulfide ; Hydrogen Evolution ; Nanoparticles ; Perovskite Oxides ; Photocatalysis ; Water Splitting
descriptionLaNiO/CdS heterojunction photocatalysts are constructed by compositing LaNiO nanoparticles with commercially available CdS, and are used for efficient photocatalytic splitting of HO with visible light. The LaNiO/CdS hybrids are characterized systematically using a series of physicochemical techniques. The photocatalytic activity of the perovskite hybrids is examined by H evolution with NaS‐NaSO as the hole scavenger. The optimized LaNiO/CdS sample without the assistance of any cocatalyst (e.g., Pt) delivers a high H production rate of 74 μmol h (e.g., 3700 μmol h g), which is substantially superior to the individual LaNiO and CdS. Besides, the composite photocatalyst also manifests high stability. The greatly improved H production performance of LaNiO/CdS is attributed to the facilitated separation and transport of photoinduced charge carriers, as evidenced by photoelectrochemical (PEC) analyses, such as photoluminscence spectroscopy, transient photocurrent responses, and electrochemical impedance spectroscopy. Moreover, a probable photocatalytic mechanism of the H evolution reaction is proposed on the basis of the results of the catalysis evaluation and PEC tests. : Nonprecious perovskite‐based LaNiO/CdS heterojunction photocatalysts are fabricated by coupling LaNiO nanoparticles with the commercial CdS semiconductor (see figure) for efficient photocatalytic HO splitting under visible light irradiation, affording a high H evolution rate of 74 μmol h (e.g., 3700 μmol h g).
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titlePerovskite Oxide LaNiO3 Nanoparticles for Boosting H2 Evolution over Commercial CdS with Visible Light
descriptionLaNiO/CdS heterojunction photocatalysts are constructed by compositing LaNiO nanoparticles with commercially available CdS, and are used for efficient photocatalytic splitting of HO with visible light. The LaNiO/CdS hybrids are characterized systematically using a series of physicochemical techniques. The photocatalytic activity of the perovskite hybrids is examined by H evolution with NaS‐NaSO as the hole scavenger. The optimized LaNiO/CdS sample without the assistance of any cocatalyst (e.g., Pt) delivers a high H production rate of 74 μmol h (e.g., 3700 μmol h g), which is substantially superior to the individual LaNiO and CdS. Besides, the composite photocatalyst also manifests high stability. The greatly improved H production performance of LaNiO/CdS is attributed to the facilitated separation and transport of photoinduced charge carriers, as evidenced by photoelectrochemical (PEC) analyses, such as photoluminscence spectroscopy, transient photocurrent responses, and electrochemical impedance spectroscopy. Moreover, a probable photocatalytic mechanism of the H evolution reaction is proposed on the basis of the results of the catalysis evaluation and PEC tests. : Nonprecious perovskite‐based LaNiO/CdS heterojunction photocatalysts are fabricated by coupling LaNiO nanoparticles with the commercial CdS semiconductor (see figure) for efficient photocatalytic HO splitting under visible light irradiation, affording a high H evolution rate of 74 μmol h (e.g., 3700 μmol h g).
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abstractLaNiO/CdS heterojunction photocatalysts are constructed by compositing LaNiO nanoparticles with commercially available CdS, and are used for efficient photocatalytic splitting of HO with visible light. The LaNiO/CdS hybrids are characterized systematically using a series of physicochemical techniques. The photocatalytic activity of the perovskite hybrids is examined by H evolution with NaS‐NaSO as the hole scavenger. The optimized LaNiO/CdS sample without the assistance of any cocatalyst (e.g., Pt) delivers a high H production rate of 74 μmol h (e.g., 3700 μmol h g), which is substantially superior to the individual LaNiO and CdS. Besides, the composite photocatalyst also manifests high stability. The greatly improved H production performance of LaNiO/CdS is attributed to the facilitated separation and transport of photoinduced charge carriers, as evidenced by photoelectrochemical (PEC) analyses, such as photoluminscence spectroscopy, transient photocurrent responses, and electrochemical impedance spectroscopy. Moreover, a probable photocatalytic mechanism of the H evolution reaction is proposed on the basis of the results of the catalysis evaluation and PEC tests. : Nonprecious perovskite‐based LaNiO/CdS heterojunction photocatalysts are fabricated by coupling LaNiO nanoparticles with the commercial CdS semiconductor (see figure) for efficient photocatalytic HO splitting under visible light irradiation, affording a high H evolution rate of 74 μmol h (e.g., 3700 μmol h g).
doi10.1002/chem.201802920
pages18512-18517
date2018-12-10