光催化
材料科学
乙二醇
光降解
催化作用
成核
化学工程
纳米颗粒
双金属片
亚甲蓝
复合数
纳米技术
化学
有机化学
复合材料
工程类
作者
Supriya Hanmant Gaikwad,Aswathi Koratti,Shatabdi Porel Mukherjee
标识
DOI:10.1016/j.apsusc.2018.09.163
摘要
In this work, a facile controlled synthesis of plasmonic photocatalyst, [email protected] hollow cubic cage with the tuning of nanoframe structures was reported. AgCl cubical hollow nanoframes were primarily prepared using sacrificial NaCl template protocol. Ion exchange reaction between Ag+ in the solution and NaCl, in presence of poly(vinylpyrrolidone) (PVP) led to continuous nucleation followed by growth of AgCl on the surface of sacrificial NaCl template. The tuning of AgCl nanoframe structures was obtained by changing the AgNO3 concentration in the reactions. Afterwards, ethylene glycol assisted reduction of AgCl, produced [email protected], the [email protected] composite with the homogeneous distribution of Ag nanoparticles on the surface of the AgCl hollow nanoframes. Efficient sunlight-driven photocatalytic activity to degrade Methylene blue (MB) (50 mL; 10 mg/L) with these [email protected] hollow frames was also demonstrated. The plasmonic photocatalysts were exhibited photodegradation rates about 0.098–0.184 min−1 with high catalytic activity and recyclability for five cycles. Additionally, active species entrapping experiments were performed and a possible mechanism for the enhanced photocatalytic performance of the synthesized plasmonic photocatalyst was also proposed.
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