Fuel generation through photoreduction of CO2 on novel Cu/BiVO4

• Published in: Materials research bulletin Vol. 130; p. 110955
• Main Authors: Zhu, Zhen, Yang, Cheng-Xin, Hwang, Yu-Teng, Lin, Yu-Chen, Wu, Ren-Jang
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2020
• Subjects: CO2 reduction reaction; Cu/BiVO4, photocatalyst; CO2 reduction reaction; Cu/BiVO4, photocatalyst
• ISSN: 0025-5408; 1873-4227
• DOI: 10.1016/j.materresbull.2020.110955

[Display omitted] •CO2 reduction performs by a photocatalytic reaction.•Preparation of a novel Cu/BiVO4 to enhance the photoreduction reaction.•The highest production rate of CH4 yield could be increased up to 59.2 μmol g−1. In this study, Cu/BiVO4 was fabricated as a photocatalyst for improving CO2 photoreduction performance. The structural properties and morphologies of the prepared Cu/BiVO4 were systematically investigated using techniques such as X-ray diffraction, transmission electron microscopy, and energy dispersive spectrometry. Moreover, the CO2 photoreduction photocatalytic activity of the as-synthesized Cu/BiVO4 was investigated. The experimental results revealed that Cu/BiVO4 with an appropriate amount of Cu had the best photocatalytic activity for CO2 photoreduction. Among the as-prepared samples, 0.5 wt% Cu/BiVO4 exhibited maximum production rates of 7.36, 4.11, and 2.94 μmolg−1 h−1 for CH4, CO, and CH3OH, respectively. Furthermore, a possible mechanism for CO2 photoreduction over Cu/BiVO4 was discussed. Therefore, prepared Cu/BiVO4 is a promising catalyst for CO2 photoreduction.