Nanostructured hybrid shells of r-GO/AuNP/m-TiO₂ as highly active photocatalysts

ACS Applied Materials & Interfaces
Minggui WangYadong Yin

Abstract

Nanostructured hybrid shells of r-GO/AuNP/m-TiO2 were synthesized using SiO2 spheres as templates, followed by graphene oxide (GO) and Au nanoparticle (AuNP) deposition and TiO2 coating, and then post-treatments of template removal and calcination. Evaluation of their photocatalytic activity by degradation of Rhodamine B (RhB) under the irradiation of UV, visible light, and simulated daylight demonstrated the superior photocatalytic performance of the sandwich-like hollow hybrid shells, which could be attributed to the porous nature of the hybrid shells and the enhanced charge separation and visible-light absorption of r-GO and AuNPs.

References

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Citations

May 23, 2015·Langmuir : the ACS Journal of Surfaces and Colloids·Minggui WangRong Guo
Jun 4, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Gylen Odling, Neil Robertson
Feb 9, 2017·Chemistry : a European Journal·Chao ZhangHongxing Zhang
Jun 13, 2019·Chembiochem : a European Journal of Chemical Biology·María Tomás-Gamasa, José Luis Mascareñas
Dec 14, 2018·Chemical Society Reviews·Ang LiJinlong Gong
May 31, 2019·Advanced Materials·Aiyun MengJiaguo Yu

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