g‐C3N4 Nanosheet Nanoarchitectonics: H2 Generation and CO2 Reduction

Author:

Zhang Xiao1ORCID,Yang Ping2ORCID

Affiliation:

1. Faculty of Chemical Engineering and Technology Cracow University of Technology 31-155 Kraków Poland

2. School of Material Science & Engineering University of Jinan Jinan 250022 P. R. China

Abstract

AbstractFew‐layered graphitic carbon nitride (g‐C3N4) has been considered a popular base for constructing composite materials in photocatalytic CO2 reduction and H2 generation applications, particularly for constructing g‐C3N4 based composites based on the idea of nanoarchitectonics. The photocatalytic activity of these constructed g‐C3N4 composites relies on the composition, morphology, microstructure of the material. This review aims to focus on the summary of latest progress in the development of few‐layered g‐C3N4 nanosheets based noble metal clusters/nanoparticles and other semiconductor nanomaterials modified composite materials constructed using the technology of nanoarchitectonics for photocatalytic H2 generation and CO2 reduction. This review covers a brief introduction of the enhanced photogenerated carrier separation and transfer as well as extended light absorption of superior thin g‐C3N4 nanosheets based photocatalysts; discussions on the mechanism of g‐C3N4 based photocatalyst involved photocatalytic H2O splitting and CO2 reduction system; the latest progress in the study of nanoarchitectonics of a variety of g‐C3N4 based heterostructures including type II, Z‐scheme, S‐scheme, and Schottky junction. Major challenges on nanoarchitectonics of superior thin g‐C3N4 based heterostructures, as well as the recommendations for future studies of these materials to attain higher efficiency in photocatalytic H2 generation and CO2 reduction, are also concluded.

Publisher

Wiley

Subject

Materials Chemistry,Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Biomaterials

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