当前位置：
X-MOL 学术
›
Adv. Mater.
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
A Library of Seed@High‐Entropy‐Alloy Core–shell Nanocrystals With Controlled Facets for Catalysis
Advanced Materials ( IF 27.4 ) Pub Date : 2024-12-20 , DOI: 10.1002/adma.202411464 Yueh‐Chun Hsiao, Cheng‐Yu Wu, Chih‐Heng Lee, Wen‐Yang Huang, Ho Viet Thang, Chong‐Chi Chi, Wen‐Jing Zeng, Jia‐Qi Gao, Chih‐Yi Lin, Jui‐Tai Lin, Adrian M. Gardner, Hansaem Jang, Ruai‐Hung Juang, Yi‐Hong Liu, Islam M. A. Mekhemer, Ming‐Yen Lu, Ying‐Rui Lu, Ho‐Hsiu Chou, Chun‐Hong Kuo, Shan Zhou, Liang‐Ching Hsu, Hsin‐Yi Tiffany Chen, Alexander J. Cowan, Sung‐Fu Hung, Jien‐Wei Yeh, Tung‐Han Yang
Advanced Materials ( IF 27.4 ) Pub Date : 2024-12-20 , DOI: 10.1002/adma.202411464 Yueh‐Chun Hsiao, Cheng‐Yu Wu, Chih‐Heng Lee, Wen‐Yang Huang, Ho Viet Thang, Chong‐Chi Chi, Wen‐Jing Zeng, Jia‐Qi Gao, Chih‐Yi Lin, Jui‐Tai Lin, Adrian M. Gardner, Hansaem Jang, Ruai‐Hung Juang, Yi‐Hong Liu, Islam M. A. Mekhemer, Ming‐Yen Lu, Ying‐Rui Lu, Ho‐Hsiu Chou, Chun‐Hong Kuo, Shan Zhou, Liang‐Ching Hsu, Hsin‐Yi Tiffany Chen, Alexander J. Cowan, Sung‐Fu Hung, Jien‐Wei Yeh, Tung‐Han Yang
|
High‐entropy‐alloy (HEA) nanocrystals hold immense potential for catalysis, offering virtually unlimited alloy combinations through the inclusion of at least five constituent elements in varying ratios. However, general and effective strategies for synthesizing libraries of HEA nanocrystals with controlled surface atomic structures remain scarce. In this study, a transferable strategy for developing a library of facet‐controlled seed@HEA nanocrystals through seed‐mediated growth is presented. The synthesis of seed@HEA core–shell nanocrystals incorporating up to ten different metallic elements, with control over the number of solid‐solution HEA atomic layers is demonstrated. Epitaxial HEA growth on nanocrystal seeds with low‐index and high‐index facets leads to the formation of seed@HEA catalyst library with composition‐ and facet‐dependent catalytic activities in both electrocatalysis and photocatalysis. In situ synchrotron X‐ray absorption spectroscopy and density‐functional theory calculations are employed to identify surface active sites of the HEA, rationalizing the high level of catalytic activities achieved. This work enables facet engineering in the multi‐elemental chemical space and unveils the critical needs for their future development toward catalysis.
更新日期：2024-12-20
京公网安备 11010802027423号