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Facile synthesis and characterization of core-shell structured Ag3PO4@Hal nanocomposites for enhanced photocatalytic properties
AbstractAg3PO4 is considered to be an ideal candidate for water photo-oxidation and organic contaminant decomposition under visible light due to its appropriate band gap position, nontoxicity, and high quantum yield. However, the prominent low stability and adsorption capacity due to light corrosion hinders the performance improvement. Herein, Ag3PO4 particles coated by halloysite nanotubes (Hal) might display noticeably photocatalytic activities upon light excitation. The Ag3PO4@halloysite nanotubes (Ag3PO4@Hal) nanocomposites could be facile prepared in large quantities through a simple, green, and efficient direct precipitation method. Compared with the individually dispersed Ag3PO4 particles, the as-prepared Ag3PO4@Hal nanocomposites showed the smaller band gap energy. The Ag3PO4@Hal nanocomposites can endow Hal special performance and also improve the catalytic activity of Ag3PO4, which is proposed to have originated from narrow band gap, strong adsorption capacity and low surface recombination rate induced by a negative fixed charge in the Hal shells. The Ag3PO4@Hal nanocomposites can be used as highly efficient photocatalysts. The current study provides a new paradigm for designing new type nanocomposites with excellent collaborative performance.
Graphical abstractCore-shell structured Ag3PO4@Hal nanocomposites were prepared in large quantities by a facile precipitation method. Ag3PO4@Hal nanocomposites possessed higher photocatalytic activity than individually dispersed Ag3PO4 particles, exhibiting the Ag3PO4@Hal nanocomposites can be used as highly efficient photocatalysts.
HighlightsCore-shell structured Ag3PO4@Hal nanocomposites were prepared by a facile precipitation method.SEM analysis showed that the Hal is well dispersed on the surface of the Ag3PO4.The as-synthesized Ag3PO4@Hal nanocomposites exhibited superior photocatalytic performance.
Facile synthesis and characterization of core-shell structured Ag3PO4@Hal nanocomposites for enhanced photocatalytic properties
AbstractAg3PO4 is considered to be an ideal candidate for water photo-oxidation and organic contaminant decomposition under visible light due to its appropriate band gap position, nontoxicity, and high quantum yield. However, the prominent low stability and adsorption capacity due to light corrosion hinders the performance improvement. Herein, Ag3PO4 particles coated by halloysite nanotubes (Hal) might display noticeably photocatalytic activities upon light excitation. The Ag3PO4@halloysite nanotubes (Ag3PO4@Hal) nanocomposites could be facile prepared in large quantities through a simple, green, and efficient direct precipitation method. Compared with the individually dispersed Ag3PO4 particles, the as-prepared Ag3PO4@Hal nanocomposites showed the smaller band gap energy. The Ag3PO4@Hal nanocomposites can endow Hal special performance and also improve the catalytic activity of Ag3PO4, which is proposed to have originated from narrow band gap, strong adsorption capacity and low surface recombination rate induced by a negative fixed charge in the Hal shells. The Ag3PO4@Hal nanocomposites can be used as highly efficient photocatalysts. The current study provides a new paradigm for designing new type nanocomposites with excellent collaborative performance.
Graphical abstractCore-shell structured Ag3PO4@Hal nanocomposites were prepared in large quantities by a facile precipitation method. Ag3PO4@Hal nanocomposites possessed higher photocatalytic activity than individually dispersed Ag3PO4 particles, exhibiting the Ag3PO4@Hal nanocomposites can be used as highly efficient photocatalysts.
HighlightsCore-shell structured Ag3PO4@Hal nanocomposites were prepared by a facile precipitation method.SEM analysis showed that the Hal is well dispersed on the surface of the Ag3PO4.The as-synthesized Ag3PO4@Hal nanocomposites exhibited superior photocatalytic performance.
Facile synthesis and characterization of core-shell structured Ag3PO4@Hal nanocomposites for enhanced photocatalytic properties
Peng, Hongxia (author) / Zhang, Dan (author) / Liu, Xiaohe (author) / Tang, Wei (author) / Wan, Hao (author) / Xiong, Hao (author) / Ma, Renzhi (author)
Applied Clay Science ; 141 ; 132-137
2017-02-22
6 pages
Article (Journal)
Electronic Resource
English
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