Alkaline titanium carbide (MXene) engineering ultrafine non-noble nanocatalysts toward remarkably boosting hydrogen evolution from ammonia borane hydrolysis

被引：4

作者：

Qin, Haotian ^{[1
]}

Tang, Siyuan ^{[1
]}

Xu, Linlin ^{[2
]}

Li, Aosong ^{[1
]}

Lv, Quanjiang ^{[1
]}

Dong, Jianling ^{[1
]}

Liu, Luyu ^{[1
]}

Ding, Xiang ^{[1
]}

Pan, Xueqing ^{[1
]}

Yang, Xinchun ^{[3
]}

Jiang, Nan ^{[4
]}

Song, Fuzhan ^{[1
]}

机构：

[1] Jiangsu Univ, Inst Adv Mat, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Qingdao Hengxing Univ Sci & Technol, Qingdao 266000, Peoples R China

[3] Chinese Acad Sci, Inst Technol Carbon Neutral, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China

[4] Guizhou Univ, Dept Chem & Chem Engn, Guiyang 550025, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2025年 / 1010卷

基金：

中国国家自然科学基金;

关键词：

Alkaline Ti 3 C 2; Ultrafine non-noble nanoparticle; Ammonia borane hydrolysis; Amine-functionalization; Support-metal synergistic interaction; HIGHLY EFFICIENT DEHYDROGENATION; TRANSITION-METAL CARBIDES; CORE-SHELL NANOPARTICLES; SYNERGISTIC CATALYST; SYNERGETIC CATALYSIS; CONI NANOPARTICLES; ORGANIC FRAMEWORK; POROUS CARBON; OXIDE;

D O I：

10.1016/j.jallcom.2024.177644

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The rational design of cost-effective and stable heterogeneous nanocatalysts with high activities is vital yet challenged for utilization of sustainable hydrogen fuel. Herein, we report a novel surficial alkaline functional strategy for immobilization of non-noble CuCo nanoparticles (NPs) on diamine-alkalized-functionalized Ti3C2 surfaces (CuCo/PDA-Ti3C2). By virtue of coordination effect, ultrafine CuCo NPs with the size of 1.8 nm were well dispersed on Ti3C2 surface. Strikingly, the optimized CuCo/PDA-Ti3C2 nanocatalyst presents an impressive catalytic performance toward ammonia borane hydrolysis (ABH) without any additive, with a completed conversion and a high turnover frequency (TOF) value of 71.8 molH2molcat amine groups induced a strong support-metal synergistic interaction (SMSI) to not only regulate the localized charge distribution and electron energy levels near active sites, but also optimize the surface d center and adsorption/desorption behavior, resulting in an accelerating O-H bond cleavage in water molecular. This work presents a novel and universal strategy for developing alkaline titanium carbide (MXene)-based heterogeneous nanocatalysts for hydrogen energy society.

引用

页数：8