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Construction of ZnCdS/BiS composite nanospheres with photothermal effect for enhanced photocatalytic activities.

08:00 EDT 25th March 2019 | BioPortfolio

Summary of "Construction of ZnCdS/BiS composite nanospheres with photothermal effect for enhanced photocatalytic activities."

Rational design of photocatalysts with heterostructure is of scientific and technological interest for taking full advantage use of solar energy. Here we demonstrate a facile method to fabricate ZnCdS/BiS composite nanospheres, in which BiS nanorods grown on the surface of ZnCdS nanospheres. The as-prepared ZnCdS@ZnS core-shell nanospheres play a vital role in formation of the ZnCdS@BiS composite nanospheres. The ZnCdS/BiS composites show both excellent photocatalysis and photothermal effect. Nanorods-like BiS show wide optical absorption from visible to near infrared light and photocurrent response, which enable enhanced full spectrum absorption of the heterostructured photocatalyst and photocurrent for overall photocatalytic performance. Additionally, BiS nanorods with photothermal effect would synergistically increase the temperature of the micro-environment around the catalysts of ZnCdS. Thus, the ZnCdS/BiS composites exhibit a little better photocatalytic activity than that of pure ZnCdS. The present study provides a promising strategy for the rational design of efficient sulfide semiconductor heterojunction catalysts for making the utmost of solar fuels in dealing with organic pollutants from wastewater.

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This article was published in the following journal.

Name: Journal of colloid and interface science
ISSN: 1095-7103
Pages: 303-311

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