Abstract
There is still a growing interest in CO2 conversion into useful compounds. Plasma technology is a highly promising alternative due to its non-equilibrium nature, crucial for CO2 dissociation processes. In this study we present, the non-thermal plasma-assisted catalytic CO2 reduction to CO on 2D Zn-containing paddle wheel structures based on TCPP. The catalytic efficiency of this MOF material is shown to be high. The experimental data from HRTEM, adsorption and FTIR analyses lead to the simplified model mechanism of this process.
Highlights
Increasing concerns about CO2 emission issues call for the development of new clean sustainable technologies
The favorable catalysts for C O2 effective splitting need to meet the following requirements: (i) excellent CO2 adsorption ability at broad temperature range; (ii) high thermal stability; (iii) sufficient ability for O* scavenging; (iv) low reactivity, especially in oxidizing environment. These supplies are extensively fulfilled by two-dimensional (2D) Zn-containing paddle wheel structures based on TCPP (tetrakis(4-carboxyphenyl)porphyrin)
The aim of the work reported in this paper was to assess the efficacy of a combination of infrared reflectance and transmission spectroscopy to the study of CO2 conversion under non-thermal plasma/catalyst interface as well as testing the ability of Zn-TCPP catalyst in the process
Summary
Increasing concerns about CO2 emission issues call for the development of new clean sustainable technologies. The favorable catalysts for C O2 effective splitting need to meet the following requirements: (i) excellent CO2 adsorption ability at broad temperature range; (ii) high thermal stability; (iii) sufficient ability for O* scavenging; (iv) low reactivity, especially in oxidizing environment. These supplies are extensively fulfilled by two-dimensional (2D) Zn-containing paddle wheel structures based on TCPP (tetrakis(4-carboxyphenyl)porphyrin). These semiconductor materials have been extensively investigated and applied in photocatalytic processes, including water splitting and C O2 reduction as a heterogeneous photocatalyst under visible light (Amayuelas et al 2017). The aim of the work reported in this paper was to assess the efficacy of a combination of infrared reflectance and transmission spectroscopy to the study of CO2 conversion under non-thermal plasma/catalyst interface as well as testing the ability of Zn-TCPP catalyst in the process
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