Volume 6 Issue 5
Oct.  2021
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Article Navigation >  Green Energy&Environment  > 2021  >  6(5): 693-702
Xiaochao Zhang, Guangmin Ren, Changming Zhang, Jinbo Xue, Qiang Zhao, Rui Li, Yunfang Wang, Caimei Fan. Assisting Bi2MoO6 microspheres with phenolic resin-based ACSs as attractive tailor-made supporter for highly-efficient photocatalytic CO2 reduction. Green Energy&Environment, 2021, 6(5): 693-702. doi: 10.1016/j.gee.2020.06.014
Citation: Xiaochao Zhang, Guangmin Ren, Changming Zhang, Jinbo Xue, Qiang Zhao, Rui Li, Yunfang Wang, Caimei Fan. Assisting Bi2MoO6 microspheres with phenolic resin-based ACSs as attractive tailor-made supporter for highly-efficient photocatalytic CO2 reduction. Green Energy&Environment, 2021, 6(5): 693-702. doi: 10.1016/j.gee.2020.06.014
shu

Assisting Bi2MoO6 microspheres with phenolic resin-based ACSs as attractive tailor-made supporter for highly-efficient photocatalytic CO2 reduction

doi: 10.1016/j.gee.2020.06.014

  • a. College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China;

  • b. College of Mining Engineering, Taiyuan University of Technology, Taiyuan, 030024, China;

  • c. Key Laboratory of Interface Science and Engineering in Advanced Materials (Taiyuan University of Technology), Ministry of Education, Taiyuan, 030024, China;

  • d. College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China

Funds:

The authors are thankful to the National Natural Science Foundation of China (No. 21978196, 21676178, 21706179) and Shanxi Province Science Foundation for Youths (201801D211008).

  • Received date 04 March 2020, Accepted date 17 June 2020, RevRecd date 24 May 2020, Publish date 31 October 2021,
    Abstract

  • It is rather essential to design glorious system with high CO2 adsorption capacity and electron migration efficiency for improving selective and effective CO2 reduction into solar fuels. Here, as-synthesized phenolic resin spheres via suspension polymerization were carbonized and activated by water vapor to obtain activated carbon spheres (ACSs). Subsequently, Bi2MoO6/ACSs were prepared via hydrothermal-impregnated method. The systematical characterizations of samples, including XRD, XPS, SEM, EDX, DRS, BET, PL, CO2 adsorption isotherm, EIS and transient photocurrent, were analyzed. The results clearly demonstrated that Bi2MoO6 with suitable oxidation reduction potentials and bandgap and ACSs with admirable CO2 adsorption and electrical conductivity not only enhanced separation efficiency of photoindued electron-hole pair, but also displayed as 1.8 times CO2 reduction activity to CO as single Bi2MoO6 sample under Xe-lamp irradiation. Finally, a concerned photocatalytic CO2 reduction mechanism was proposed and investigated. Our findings should provide innovative guidance for designing a series of photocatalytic CO2 reduction materials with highly efficient and selective ability.

     

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