Amorphous domain induced LSPR Zn–Cr–In–S solid solution with enhanced visible photocatalytic H2 production

The light absorption capacity and charge carrier separation of photocatalyst play important roles in photocatalytic hydrogen evolution activity. Metal sulfides generally show superior visible absorption; however, the charge separation efficiency is low. Formation of metal sulfide solid solution with...

Full description

Saved in:
Bibliographic Details
Published in:Materials chemistry and physics 2022-06, Vol.285, p.126100, Article 126100
Main Authors: Ren, Baosheng, Luan, Qingrui, Ma, LuLu, Ding, Yanyu, Ma, Dongge, Cao, Xiaofeng, Guo, Yanchuan, Guan, Ruifang, Chen, Qifeng
Format: Article
Language:English
Subjects:
Charge efficiency
Charge transfer
Current carriers
Domains
Electromagnetic absorption
Heterojunctions
Hydrogen evolution
Hydrogen production
Localized surface plasmon resonance
Metal sulfides
Photocatalysis
Photocatalysts
Separation
Solid solution photocatalyst
Solid solutions
Visible light
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The light absorption capacity and charge carrier separation of photocatalyst play important roles in photocatalytic hydrogen evolution activity. Metal sulfides generally show superior visible absorption; however, the charge separation efficiency is low. Formation of metal sulfide solid solution with multiple components can further enhance the light absorption; more importantly, formation of heterojunctions in nanoscale within the solid photocatalyst is an efficient approach to improve the separation efficiency of photoinduced electrons and holes. Here, the Zn1-xCrxIn2S4 solid-solution photocatalysts synthesized via a facial hydrothermal method exhibited enhanced photocatalytic hydrogen evolution activity attributed to the LSPR effect originated from amorphous domains and promoted interfacial charge transfer between amorphous domains and crystalline regions. Zn1-xCrxIn2S4 exhibited 2.2 times photocatalytic hydrogen production activity than ZnIn2S4. This work provides an avenue to construct photocatalysts with improved hydrogen evolution activity via formation of ordered-disordered domain heterojunctions combined LSPR. •Amorphous domain induced solid solution photocatalysts were synthesized via a hydrothermal approach.•LSPR attributed to amorphous domains in photocatalysts resulted in improved visible photocatalytic activity.•Heterointerface between crystalline region and amorphous domain promoted separation of charge carriers.
ISSN:0254-0584
1879-3312
DOI:10.1016/j.matchemphys.2022.126100