Maintaining stable LSPR performance of W18O49 by protecting its oxygen vacancy: A novel strategy for achieving durable sunlight driven photocatalysis

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成果类型：

期刊论文

作者：

Feng, Chengyang;Tang, Lin*;Deng, Yaocheng;Wang, Jiajia;Liu, Yani;...

通讯作者：

Tang, Lin

作者机构：

[Wang, Jiajia; Yu, Jiangfang; Tang, Lin; Chen, Zhaoming; Wang, Jingjing; Liu, Yani; Feng, Chengyang; Yang, Haoran; Ouyang, Xilian] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

[Wang, Jiajia; Yu, Jiangfang; Tang, Lin; Chen, Zhaoming; Wang, Jingjing; Liu, Yani; Feng, Chengyang; Yang, Haoran; Ouyang, Xilian] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Hunan, Peoples R China.

[Deng, Yaocheng] Hunan Agr Univ, Coll Resources & Environm, Changsha 410028, Peoples R China.

通讯机构：

[Tang, Lin] H

Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

LSPR;Nonstoichiometric semiconductors;Oxygen vacancy protection;Sunlight response;W18O49

期刊：

Applied Catalysis B: Environmental

ISSN：

0926-3373

年：

2020

卷：

276

页码：

119167

DOI：

10.1016/j.apcatb.2020.119167

基金类别：

CRediT authorship contribution statement Chengyang Feng: Conceptualization, Methodology, Software, Investigation, Writing - original draft. Lin Tang: Conceptualization, Resources, Project administration, acquisition. Yaocheng Deng: Supervision, acquisition. Jiajia Wang: Data curation. Yani Liu: Validation. Xilian Ouyang: Writing - review & editing. Zhaoming Chen: Investigation. Haoran Yang: Investigation. Jiangfang Yu: Formal analysis. Jingjing Wang: Validation.

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

Nonstoichiometric plasmon semiconductors own excellent NIR absorption due to their unique LSPR effect, which shows great promise in the design and preparation of sunlight driven photocatalysts. The LSPR in such plasmon materials originates from the carrier collective oscillations of the lattice vacancies, so the stability of lattice vacancies determines the persistence of LSPR effect. Take W18O49 for example, the oxygen vacancies that provide LSPR effect will be oxidized and disappear after being used or exposed in the air for a long time, lead...

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Maintaining stable LSPR performance of W18O49 by protecting its oxygen vacancy: A novel strategy for achieving durable sunlight driven photocatalysis

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