A Proposed Reaction Mechanism of CO2 Photocatalysis

Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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CHCONF02_212

تاریخ نمایه سازی: 9 مرداد 1395

Abstract:

In This paper, a general reaction mechanism for photocatalytic reduction of CO2 has been suggested. During the past decades, extensive studies have been conducted to identify the photocatalytic products of CO2 conversion and their reaction mechanisms. There is a need to propose a general mechanism pattern which can cover the results of these original researches. Among many factors affecting the redox reaction pathway, this paper focuses on the effect of reductant type as an important issue on the product diversity and selectivity of CO2 photocatalysis. We first tried to show the reaction mechanism of CO2 photocatalysis in the solitary presence of the most common reductants, H2, H2O (both gaseous and aqueous phases), CH4, and CH3OH. Then, a general mechanism has been suggested for CO2 conversion in the mixture of the reductants, based on the fact that in the photoreduction process of CO2, all of the reductants could be derived from one of them.

Authors

Shahram Sharifina

Catalyst Research Center, Chem. Eng. Dept., Razi University, Kermanshah ۶۷۱۴۹-۶۷۲۴۶, Iran

Elham Karamian

Catalyst Research Center, Chem. Eng. Dept., Razi University, Kermanshah ۶۷۱۴۹-۶۷۲۴۶, Iran

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