Journal
ADVANCED MATERIALS
Volume 33, Issue 26, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202008422
Keywords
2D electrocatalysts; electronic structure; energy conversion; non‐ van der Waals
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Funding
- Ministry of Education in Singapore [RG105/19]
- UESTC [A1098531023601243]
- National Natural Science Foundation of China [U1401248, K121402819]
- Soochow University [3231703217]
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This review critically examines the progress of non-vdW 2D electrocatalysts, with a special emphasis on electronic structure modulation and performance enhancement. Strategies such as heteroatom doping, vacancy engineering, pore creation, alloying, and heterostructure engineering are analyzed for tuning electronic structures to achieve higher electrocatalytic performance. A roadmap for the future development of non-vdW 2D electrocatalysts is provided from material, mechanism, and performance perspectives.
The exploration of efficient electrocatalysts for energy conversion is important for green energy development. Owing to their high surface areas and unusual electronic structure, 2D electrocatalysts have attracted increasing interest. Among them, non-van der Waals (non-vdW) 2D materials with numerous chemical bonds in all three dimensions and novel chemical and electronic properties beyond those of vdW 2D materials have been studied increasingly over the past decades. Herein, the progress of non-vdW 2D electrocatalysts is critically reviewed, with a special emphasis on electronic structure modulation. Strategies for heteroatom doping, vacancy engineering, pore creation, alloying, and heterostructure engineering are analyzed for tuning electronic structures and achieving intrinsically enhanced electrocatalytic performances. Lastly, a roadmap for the future development of non-vdW 2D electrocatalysts is provided from material, mechanism, and performance viewpoints.
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