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- Title
Single-Atom Transition Metal Photocatalysts for Hydrogen Evolution Reactions.
- Authors
Nguyen, Thang Phan; Kim, Il Tae
- Abstract
Hydrogen is one of the potential fuels that is easily stored in ammonia compounds and reacts with oxygen in an environmentally friendly manner, producing water and transferring a significant amount of heat for powering mechanical facilities or transportation. Recently, single-atom photocatalysts have attracted significant attention owing to their ability to produce clean fuels or reduce gaseous pollution, thereby contributing to the preservation of our planet. Utilizing metals composed of a single atom on a semiconductor platform can improve the active sites, thereby increasing the efficiency of the hydrogen evolution reaction. This review focuses on the use of single-atom transition metals as photocatalysts in a solar-powered water-splitting system that produces hydrogen gas. The approach to synthesis, reaction mechanism, and current performance of these materials is exhaustively discussed. In addition, the main challenges and improvement strategies are highlighted.
- Subjects
TRANSITION metals; HYDROGEN content of metals; HYDROGEN evolution reactions; AMMONIA compounds; OXYGEN compounds; WATER transfer; PHOTOELECTROCHEMICAL cells
- Publication
Catalysts (2073-4344), 2022, Vol 12, Issue 11, p1304
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal12111304