Prospects, challenges, and opportunities of the metals-modified TiO2 based photocatalysts for hydrogen generation under solar light irradiation: A review

IF 5.9 3区材料科学 Q2 CHEMISTRY, PHYSICAL

FlatChem Pub Date : 2023-11-01 DOI:10.1016/j.flatc.2023.100547

Muhammad Mohsin , Ijaz Ahmad Bhatti , Muhammad Zeshan , Maryam Yousaf , Munawar Iqbal

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Abstract

Hydrogen (H₂) is the most promising energy carrier as an alternative to diminishing fossil fuels because it is a safe, renewable, green energy resource and is environmentally sustainable. TiO₂ has received a lot of interest among photocatalytic materials because of its exceptional physicochemical features and strong catalytic performance in catalysis systems. In this review, we aim to provide an overview of the basic principle for photocatalytic water splitting, recent developments, comprehensive insights into the metal-modified TiO₂ interface to improve the H₂ production efficiency, doping materials, photocatalytic mechanism, and merits of metal-modified TiO₂ photocatalyst. The processes in TiO₂ photocatalysis are summarized based on the recent progress made in the fundamental instigations of bond breaking/forming and possible energy transfer processes in TiO₂ photocatalysis on the TiO₂ model surfaces, both experimentally and theoretically. The basic principles that govern TiO₂ photocatalysis and the mechanistic studies focusing on photocatalytic reactions have been discussed. This review would provide new inspirations and strategies to bring innovations in metal-modified photocatalytic materials water-splitting applications under solar light irradiation.

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金属修饰TiO2基太阳光照制氢光催化剂的前景、挑战与机遇综述

氢(H2)是一种安全、可再生、绿色且环境可持续的能源，是替代日益减少的化石燃料的最有前途的能源载体。二氧化钛因其独特的物理化学特性和在催化体系中较强的催化性能，在光催化材料中受到了广泛的关注。本文综述了光催化水分解的基本原理、最新进展、金属修饰TiO2界面提高H2产效率的全面研究、掺杂材料、光催化机理以及金属修饰TiO2光催化剂的优点。本文从实验和理论两方面综述了TiO2光催化过程中键断裂/形成的基本机理以及在TiO2模型表面上可能的能量转移过程。本文讨论了TiO2光催化的基本原理和光催化反应的机理研究。本文综述将为金属改性光催化材料在太阳辐照下的水分解应用提供新的思路和策略。

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来源期刊

FlatChem Multiple-

CiteScore

8.40

自引率

6.50%

发文量

104

审稿时长

26 days

期刊介绍： FlatChem - Chemistry of Flat Materials, a new voice in the community, publishes original and significant, cutting-edge research related to the chemistry of graphene and related 2D & layered materials. The overall aim of the journal is to combine the chemistry and applications of these materials, where the submission of communications, full papers, and concepts should contain chemistry in a materials context, which can be both experimental and/or theoretical. In addition to original research articles, FlatChem also offers reviews, minireviews, highlights and perspectives on the future of this research area with the scientific leaders in fields related to Flat Materials. Topics of interest include, but are not limited to, the following: -Design, synthesis, applications and investigation of graphene, graphene related materials and other 2D & layered materials (for example Silicene, Germanene, Phosphorene, MXenes, Boron nitride, Transition metal dichalcogenides) -Characterization of these materials using all forms of spectroscopy and microscopy techniques -Chemical modification or functionalization and dispersion of these materials, as well as interactions with other materials -Exploring the surface chemistry of these materials for applications in: Sensors or detectors in electrochemical/Lab on a Chip devices, Composite materials, Membranes, Environment technology, Catalysis for energy storage and conversion (for example fuel cells, supercapacitors, batteries, hydrogen storage), Biomedical technology (drug delivery, biosensing, bioimaging)