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Development of graphene based photocatalysts for CO2 reduction to C1 chemicals: A brief overview

Development of graphene based photocatalysts for CO2 reduction to C1 chemicals: A brief overview
Ali, ShahzadRazzaq, AbdulIn, Su-Il
DGIST Authors
In, Su-Il
Issue Date
Catalysis Today, 335, 39-54
Article Type
Author Keywords
Solar fuelsPhotocatalytic CO2 reductionGraphene based photocatalystsPhotocatalytic activityProduct selectivity
Transformation of CO2, a notorious greenhouse gas, to solar fuels is a promising strategy to alleviate the interlinked issues of global warming, environmental pollution, and climatic changes. Additionally, CO2 conversion to useful chemicals/fuels also possess a great potential to well match the energy demand in a sustainable manner. Hence, such exceptional benefits of harnessing CO2, by capitalizing sunlight, to valuable chemicals/fuels through photocatalysis, as one of the effective approach in the respective domain, have triggered great interest among researchers and scientific community. In this regard, utilization of customary and standard photocatalytic materials, specifically metal oxides like TiO2, are modified to provide enhanced performance, which is usually restricted due to limited intrinsic optical and physicochemical properties. To overcome such a critical issue of limited performance, several strategies like metals and non-metals doping, hetero-junctions, composites and nanostructures formation of photocatalytic materials have been investigated. Recently, with the invention of graphene and its derivatives, graphene based photocatalytic materials have been a topic of great interest, specifically for photocatalysts development and photocatalysis application. Graphene and its derivatives, due to their extraordinary physiochemical and electrical properties like high surface area, stability, anticorrosion capacity, photosensitivity, and excellent conductivity, can overcome constraints faced by traditional photocatalysts. Thus, Graphene based photocatalysts can be a feasible strategy to break new grounds in the field of photocatalytic CO2 reduction (PCCR) to useful chemicals/ fuels, i.e. conversion of sunlight to fuels. Herein, a summarized overview is presented for the latest development in graphene-based photocatalysts, focusing various strategies and researches being investigated in relation to the, utility of graphene and its derivatives for solar fuels generation, particularly C1 chemicals like CO, CH4, CH3OH, and insights to their role in improving efficacy of photocatalysts. © 2018 Elsevier B.V.
Elsevier BV
Related Researcher
  • Author In, Su-Il Green and Renewable Energy for Endless Nature(GREEN) Lab
  • 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 EngineeringGreen and Renewable Energy for Endless Nature(GREEN) Lab1. Journal Articles

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