Porous Molybdenum Phosphide Nano-Octahedrons Derived from Confined Phosphorization in UIO-66 for Efficient Hydrogen Evolution

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• 作者：Jian Yang ; Fengjun Zhang ; Xin Wang ; Dongsheng He ; Geng Wu ; Qinghua Yang ; Xun Hong ; Yuen Wu and Yadong Li
• 刊名：Angewandte Chemie International Edition
• 出版年：2016
• 出版时间：October 4, 2016
• 年：2016
• 卷：55
• 期：41
• 页码：12854-12858
• 全文大小：1596K
• ISSN：1521-3773

文摘

Herein, a series of porous nano-structured carbocatalysts have been fused and decorated by Mo-based composites, such as Mo₂C, MoN, and MoP, to form a hybrid structures. Using the open porosity derived from the pyrolysis of metal–organic frameworks (MOFs), the highly dispersive MoO₂ small nanoparticles can be deposited in porous carbon by chemical vapor deposition (CVD). Undergoing different treatments of carbonization, nitridation, and phosphorization, the Mo₂C-, MoN-, and MoP-decorated carbocatalysts can be selectively prepared with un-changed morphology. Among these Mo-based composites, the MoP@Porous carbon (MoP@PC) composites exhibited remarkable catalytic activity for the hydrogen evolution reaction (HER) in 0.5 m H₂SO₄ aqueous solution versus MoO₂@PC, Mo₂C@PC, and MoN@PC. This study gives a promising family of multifunctional lab-on-a-particle architectures which shed light on energy conversion and fuel-cell catalysis.