Ultrafine Iridium Nanoparticles Anchored on Co-Based Metal-Organic Framework Nanosheets for Robust Hydrogen Evolution in Alkaline Media

被引：14
作者：
Li, Rongfang [1 ]
Chen, Xueyi [1 ,2 ]
Zhang, Heng [1 ,2 ]
Wang, Yiren [4 ]
Lv, Yang [1 ]
Jiang, Haopeng [5 ]
Guo, Bowen [3 ]
Feng, Xun [1 ]
机构：
[1] Luoyang Normal Univ, Coll Chem & Chem Engn, Luoyang 471934, Peoples R China
[2] Zhengzhou Univ, Coll Chem, Zhengzhou 450001, Peoples R China
[3] Nanyang Normal Univ, Coll Chem & Pharmaceut Engn, Nanyang 473601, Peoples R China
[4] Henan Univ Sci & Technol, Coll Hort & Plant Protect, Luoyang, Peoples R China
[5] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
INORGANIC CHEMISTRY | 2024年 / 63卷 / 04期
基金：
中国国家自然科学基金;
关键词：
MOF-DERIVED ELECTROCATALYSTS; OXYGEN REDUCTION; RECENT PROGRESS; OXIDES;
D O I：
10.1021/acs.inorgchem.3c04291
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A highly promising electrocatalyst has been designed and prepared for the hydrogen evolution reaction (HER). This involves incorporating well-dispersed Ir nanoparticles into a cobalt-based metal-organic framework known as Co-BPDC [Co(bpdc)(H2O)(2), BPDC: 4,4 '-biphenyldicarboxylic acid]. Ir@Co-BPDC demonstrates exceptional HER activity in alkaline media, surpassing both commercial Pt/C and recent noble-metal catalysts. Theoretical results indicate that electron redistribution, induced by interfacial bonds, optimizes the adsorption energy of water and hydrogen, thereby enhancing our understanding of the superior properties of Ir@Co-BPDC for HER.
引用
收藏
页码：2282 / 2288
页数：7
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