Issue 6, 2022

Catalytic reduction and reductive functionalisation of carbon dioxide with waste silicon from solar panel as the reducing agent

Abstract

CO2 was successfully reduced using powdered waste silicon wafer as a reducing agent and a catalytic amount of tetrabutylammonium fluoride. The waste silicon wafers could be recovered during the production of solar panels or at the end of the product's life cycle. The catalytic reduction reaction occurred under atmospheric pressure of CO2 at 95 °C to produce formic acid at 68% yield based on CO2. The reaction mechanism was investigated based on isotopic experiments and X-ray photoelectron spectroscopy analysis of powdered silicon. This reaction system has potential applications in methanol synthesis and the reductive functionalisation of amine to formamide.

Graphical abstract: Catalytic reduction and reductive functionalisation of carbon dioxide with waste silicon from solar panel as the reducing agent

Supplementary files

Article information

Article type
Paper
Submitted
15 Dec 2021
Accepted
06 May 2022
First published
27 May 2022
This article is Open Access
Creative Commons BY-NC license

Energy Adv., 2022,1, 385-390

Catalytic reduction and reductive functionalisation of carbon dioxide with waste silicon from solar panel as the reducing agent

R. A. Pramudita, K. Nakao, C. Nakagawa, R. Wang, T. Mochizuki, H. Takato, Y. Manaka and K. Motokura, Energy Adv., 2022, 1, 385 DOI: 10.1039/D1YA00077B

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