Construction of a 0D/1D composite based on Au nanoparticles/CuBi2O4 microrods for efficient visible-light-driven photocatalytic activity

Weilong Shi; Mingyang Li; Hongji Ren; Feng Guo; Xiliu Huang; Yu Shi; Yubin Tang

doi:10.3762/bjnano.10.134

Construction of a 0D/1D composite based on Au nanoparticles/CuBi₂O₄ microrods for efficient visible-light-driven photocatalytic activity

Beilstein J Nanotechnol. 2019 Jul 4:10:1360-1367. doi: 10.3762/bjnano.10.134. eCollection 2019.

Authors

Weilong Shi¹, Mingyang Li², Hongji Ren², Feng Guo³, Xiliu Huang², Yu Shi², Yubin Tang²

Affiliations

¹ School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, PR China.
² School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, PR China.
³ School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, PR China.

Abstract

Photocatalysis is considered to be a promising technique for the degradation of organic pollutants. Herein, a 0D/1D composite photocatalyst consisting of Au nanoparticles (NPs) and CuBi₂O₄ microrods (Au/CBO) was designed and prepared by a simple thermal reduction-precipitation approach. It shows excellent photocatalytic performance in the degradation of tetracycline (TC). The maximum photocatalytic degradation rate constant for Au/CBO composites with 2.5 wt % Au NPs was 4.76 times as high as that of bare CBO microrods. Additionally, the 0D/1D Au/CBO composite also exhibited ideal stability. The significant improvement of the photocatalytic performance could be attributed to the improved light harvesting and increased specific surface area, enhancing photoresponse and providing more active sites. Our work shows a possible design of efficient photocatalysts for environmental remediation.

Keywords: 0D/1D composite; Au nanoparticles; CuBi2O4 microrods; photocatalysis; photocatalytic degradation.