Citation: YANG Kun, YAO Qi-Lu, LU Zhang-Hui, KANG Zhi-Bing, CHEN Xiang-Shu. Facile Synthesis of CuMo Nanoparticles as Highly Active and Cost-Effective Catalysts for the Hydrolysis of Ammonia Borane[J]. Acta Physico-Chimica Sinica, ;2017, 33(5): 993-1000. doi: 10.3866/PKU.WHXB201702087 shu

Facile Synthesis of CuMo Nanoparticles as Highly Active and Cost-Effective Catalysts for the Hydrolysis of Ammonia Borane

1.
Jiangxi Inorganic Membrane Materials Engineering Research Centre, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China;
2.
School of Aeronautical Manufacture Engineering, Nanchang Hangkong University, Nanchang 330036, P. R. China

Received Date: 15 December 2016
Revised Date: 21 January 2017

Fund Project: The project was supported by the National Natural Science Foundation of China (21463012), Young Scientist Foundation of Jiangxi Province, China (20133BCB23011), and“Gan-po talent 555”Project of Jiangxi Province, China.

Noble-metal-free CuMo nanoparticles (NPs) without surfactant or support have been facilely prepared using NaBH₄ as a reducing agent. The as-prepared CuMo nanocatalysts were characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), selected area electron diffraction (SAED), inductively coupled plasma-atomic emission spectroscopy (ICP-AES), X-ray photoelectron spectroscopy (XPS), and Brunauer-Emmett-Teller (BET) surface area measurements, and used as catalysts for the hydrolysis of ammonia borane (AB, NH₃BH₃) at room temperature. The as-synthesized Cu_0.9Mo_0.1 NPs exhibited a high activity towards the hydrolysis of AB with a turnover frequency (TOF) of 14.9 min^-1, a higher value than that reported for Cu catalysts. Our synthesis is not limited to CuMo NPs alone, but can easily be extended to CuW (3.6 min^-1), CuCr (2 min^-1), NiMo (55.6 min^-1), and CoMo (21.7 min^-1) NPs, providing a general approach to Cu-M (M = Mo, W, Cr) and TM-Mo (TM = Cu, Ni, Co) NPs as a series of novel catalysts for the hydrolysis of AB. The enhanced activity of bimetallic NPs may be attributed to the synergistic effects of the Cu-M NPs induced by the strain and ligand effects.
- Copper,
- Ammonia borane,
- Hydrolysis,
- Hydrogen energy,
- Nanoparticle
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沈阳化工大学材料科学与工程学院沈阳 110142