Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 56, Pages 7730-7740Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc02299k
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Funding
- National Natural Science Foundation of China [21922507, 22179046, 21621001]
- Jilin Province Science and Technology Development Plan [YDZJ202101ZYTS126, 20210101403JC]
- Science and Technology Research Program of Education Department of Jilin Province [JJKH20220998KJ]
- 111 Project [B17020]
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This feature article highlights the recent progress in the development of high-performance transition metal-based catalysts through the extraordinary d-sp hybridization strategy, particularly for energy-related electrocatalytic applications. The article introduces fundamental concepts associated with electronic structures of transition metal catalysts and compares d-d hybridization and d-sp hybridization strategies. It summarizes the theoretical and experimental advances in d-sp hybridization catalysts and emphasizes the important roles of d-sp hybridization in tuning catalytic performances.
Orbital hybridization to regulate the electronic structures and surface chemisorption properties of transition metals has been extensively investigated for searching high-performance catalysts toward various reactions. Unlike conventional d-d hybridization, the d-sp hybridization interaction between transition metals and p-block elements could result in surprising electronic properties and catalytic activities. This feature article highlights the recent progress in the development of high-performance transition metal-based catalysts through the extraordinary d-sp hybridization strategy, particularly for energy-related electrocatalytic applications. We start by giving an introduction of fundamental concepts associated with electronic structures of transition metal catalysts, including the Sabatier principle, d-band theory, electronic descriptor, as well as the comparison of d-d hybridization and d-sp hybridization strategies. Then, we summarize the theoretical and experimental advances in d-sp hybridization catalysts, including p-block element-doped metal catalysts, intermetallic catalysts and supported metal catalysts, with emphasis on the important roles of d-sp hybridization in tuning catalytic performances. Finally, we present existing challenges and future development prospects for the rational design of advanced d-sp hybridization catalysts.
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