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Single-Atom Catalysts (SACs) for Photocatalytic CO2 Reduction with H2O: Activity, Product Selectivity, Stability, and Surface Chemistry

Title
Single-Atom Catalysts (SACs) for Photocatalytic CO2 Reduction with H2O: Activity, Product Selectivity, Stability, and Surface Chemistry
Author(s)
Hiragond, Chaitanya B.Powar, Niket SureshLee, JunhoIn, Su-Il
Issued Date
2022-07
Citation
Small, v.18, no.29
Type
Article
Author Keywords
CO 2 conversionphotocatalysissingle metal atom-based photocatalystssingle-atom catalystssurface study
Keywords
NI SITESCONVERSIONHYDROGENATIONEFFICIENTEVOLUTIONPHOTOREDUCTIONCOVALENT ORGANIC FRAMEWORKSLIGHT-DRIVEN CO2CARBON-DIOXIDEMETAL-OXIDES
ISSN
1613-6810
Abstract
In recent years, single-atom catalysts (SACs) have attracted the interest of researchers owing to their suitability for various catalytic applications. For instance, their optoelectronic features, site-specific activity, and cost-effectiveness make SACs ideal for photocatalytic CO2 reduction. The activity, product selectivity, and photostability of SACs depend on various factors such as the nature of the metal/support material, the interaction between the metal atoms and support, light-harvesting ability, charge separation behavior, CO2 adsorption ability, active sites, and defects. Consequently, it is necessary to investigate these factors in depth to elucidate the working principle(s) of SACs for catalytic applications. Herein, the recent progress in the development of SACs for photocatalytic CO2 reduction with H2O is reviewed. First, a brief overview of CO2 photoreduction and SACs for CO2 conversion is provided. Several synthesis strategies and useful techniques for characterizing SACs employed in heterogeneous catalysis are then described. Next, the challenges of SACs for photocatalytic CO2 reduction and related optimization strategies, in terms of activity, product selectivity, and stability, are explored. The progress in the development of noble metal– and transition metal–based SACs and dual-SACs for photocatalytic CO2 reduction is discussed. Finally, the prospects of SACs for CO2 reduction are considered. © 2022 Wiley-VCH GmbH.
URI
http://hdl.handle.net/20.500.11750/16974
DOI
10.1002/smll.202201428
Publisher
Wiley - VCH Verlag GmbbH & Co.
Related Researcher
  • 인수일 In, Su-Il
  • Research Interests CO2 conversion to hydrocarbon fuels; Water splitting for hydrogen generation; Quantum dot devices; Dye sensitized solar cells; Environmental remediation; Synthesis of functional nanomaterials; CO2 연료전환; 수소생산을 위한 광전기화학적 물분해; 양자점 태양전지; 염료감응 태양전지; 공해물질 저감연구; 기능성 나노소재 개발
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Department of Energy Science and Engineering Green and Renewable Energy for Endless Nature(GREEN) Lab 1. Journal Articles

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