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3. Mesoporous Silica Loaded with Molybdenum Phosphide Nanoparticles for Hydrogen Evolution

Author

Chan Jiang, Ma Shaojie, Chen Zhouyang, and Wang Keliang

Subjects
Tafel equation, Materials science, Article Subject, Phosphide, General Engineering, Nanoparticle, chemistry.chemical_element, 02 engineering and technology, Mesoporous silica, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, 0104 chemical sciences, chemistry.chemical_compound, Chemical engineering, chemistry, Molybdenum, Linear sweep voltammetry, lcsh:TA401-492, lcsh:Materials of engineering and construction. Mechanics of materials, General Materials Science, 0210 nano-technology, Mesoporous material, Hydrogen production
Abstract

A mesoporous silica loaded with molybdenum phosphide nanoparticles (MoP@MSN) was synthesized using Pluronic F-127 as a hard template. Using the method of XRD and HRTEM, the crystallinity, the phase structure, and the morphologies of the MoP@MSN were investigated. The results showed that the MoP@MSN were composed of nanoflakes with approximately 100 nm. Through the linear sweep voltammetry (LSV), the Tafel slopes of 100 and 341 mV were yielded for MoP@MSN and pure MoP, respectively, meaning that the composite of MSN can significantly improve the conductivity of the products. Meanwhile, the mesoporous MoP@MSN presented excellent electrochemical activity and stability toward hydrogen evolution compared with those of bulk MoP nanoparticles, showing a promising prospect in hydrogen production.

Published
2018

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