journal article·2019-02

One-step synthesis of novel Ag/AgCl-glass with remarkably stable photocatalytic activity

Hong Li, Changqing Li, Naiyi Li, Linyu Zhu, Yong Zhuo, Dehua Xiong

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Abstract

Abstract Novel Ag/AgCl-glass was successfully synthesized via a one-step ion-exchange process. Various analytical techniques were implemented to characterize the Ag/AgCl-glass. The results reveal that Ag/AgCl nanoparticles have a reduced volume-filling fraction along the diffusion depth of Ag+ ions in the glass matrix and exhibit nearly spherical structure with diameter about 5–20 nm. The as-fabricated Ag/AgCl-glass presents high visible transmittance and remarkably stable photocatalytic activity for photodegradation of methyl orange under visible light irradiation. Moreover, the synthesis mechanism and photocatalytic mechanism of the Ag/AgCl-glass have been proposed. The Ag/AgCl nanoparticles are formed and distributed upon the nearsurface layer depth of glass matrix during ion-exchanged process. Significantly stable photocatalytic activity can be mainly attributed to effective transfer and separation of photo-generated electron-hole pairs in Ag/AgCl catalyst. Simultaneously, Cl0 will be reduced to Cl− and further combined with Ag+ to reform AgCl after photodegradation of organic pollutants. Novel Ag/AgCl-glass may lead to promising applications in buildings, air purification and antibacterial fields.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Advanced Photocatalysis Techniques · Pigment Synthesis and Properties · Copper-based nanomaterials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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