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Recent advances in Joule-heating synthesis of functional nanomaterials for photo and electrocatalysis
Jiaqi Li, Laiyu Luo, Siyu Wang, Haojie Song, Baojiang Jiang
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Recent advances in Joule-heating synthesis of functional nanomaterials for photo and electrocatalysis
Background: Catalyst synthesis plays a crucial role in advancing photo and electrocatalysis technologies for sustainable development. However, the traditional thermal radiation heating method suffers from the disadvantages of high energy consumption, low heat transfer efficiency, slow heating speed and long heating time, which leads to the inefficiency and cost increases in catalyst preparation.
Aims: The Joule-heating ultrafast synthesis method with rapid heating/quenching and shorter heating time has attracted much attention. Despite its potential, there is a lack of comprehensive reviews specifically addressing the synthesis of advanced photo and electrocatalysts via Joule-heating. Therefore, this review aims to help people quickly understand the advantages of Joule-heating in the synthesis of photo and electrocatalysts.
Discussion: Herein, we firstly introduce the principles and devices of Jouleheating, and then we discuss breakthroughs in defect modulation, heterojunction construction, single-atom catalysts, bimetallic alloy catalysts, high-entropy alloy catalysts and metastable catalysts achieved through Joule-heating technology. The diverse applications of these catalysts include hydrogen evolution, oxygen evolution, oxygen reduction reactions, carbon dioxide reduction reactions, nitrogen reduction reaction and degradation of organic pollutants. Furthermore, this review provides a forward-looking perspective on future directions for employing Jouleheating methods in the field of photo and electrocatalysis research.
Conclusion: This review highlights the pivotal role played by Joule-heating techniques in advancing nanomaterial synthesis as well as developing sustainable high-performance catalyst systems.
electrocatalysts / Joule-heating / nanomaterials synthesis / photocatalysts
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