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Synthesis of highly-efficient photocatalyst for visible- light-driven hydrogen evolution by recycling of heavy metal ions in wastewater
Wang, M; Yao, HL; Zhang, LL; Zhou, XX
2020-02-05
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
SubtypeArticle
AbstractWater pollution and energy crisis are two important research subjects awaited to solution. Herein, we propose a strategy of "turning scrap into wealth" to obtain the highly-efficient photocatalyst for hydrogen evolution by recycling of heavy metal ions in wastewater. The novel mesoporous zeolite Beta (mBeta) can be used as adsorbent to remove the heavy metal ions (Le., Cd2+ and/or Zn2+) from wastewater due to its excellent adsorptive performance from the electrostatic affinity, ion-exchange ability and structural channels in zeolite. Subsequently, in-situ sulfuring of the Cd2+ or/and Zn2+ adsorbed mBeta was carried out to obtain highly-efficient photocatalysts. As expected, the sample CdS/ZnS-mBeta exhibited super photocatalytic activity and high stability wider visible light irradiation. It is believed that the synergetic effect between CdS and ZnS nanoparticles are responsible for its good visible light absorption performance and the effective separation of photoelectrons and holes. Besides, the mBeta with high specific surface area can improve the dispersibility of sulfides, which would contribute to its high stability.
DOI10.1016/j.jhazmat.2019.121149
WOS KeywordQUANTUM DOTS ; CDS ; INACTIVATION ; GROWTH ; ENERGY
Language英语
WOS Research AreaEngineering ; Environmental Sciences & Ecology
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28317
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, M,Yao, HL,Zhang, LL,et al. Synthesis of highly-efficient photocatalyst for visible- light-driven hydrogen evolution by recycling of heavy metal ions in wastewater[J]. JOURNAL OF HAZARDOUS MATERIALS,2020.
APA Wang, M,Yao, HL,Zhang, LL,&Zhou, XX.(2020).Synthesis of highly-efficient photocatalyst for visible- light-driven hydrogen evolution by recycling of heavy metal ions in wastewater.JOURNAL OF HAZARDOUS MATERIALS.
MLA Wang, M,et al."Synthesis of highly-efficient photocatalyst for visible- light-driven hydrogen evolution by recycling of heavy metal ions in wastewater".JOURNAL OF HAZARDOUS MATERIALS (2020).
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