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Hydrogen generation from hydrolysis of ammonia borane in the presence of highly efficient poly(N-vinyl-2-pyrrolidone)-protected platinum-ruthenium nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
39668 45831 2014 6 PDF Available
Title
Hydrogen generation from hydrolysis of ammonia borane in the presence of highly efficient poly(N-vinyl-2-pyrrolidone)-protected platinum-ruthenium nanoparticles
Abstract

•PVP-protected Pt–Ru nanoparticles are highly efficient in hydrolysis of AB.•TOF value is 308 mol H2 molcat−1 min−1 for the hydrolysis of AB.•Max HG rate is 9884 L H2 min−1 molcat−1 for the hydrolysis of AB.•Activation energy is 56.3 ± 2 kJ mol−1 for the hydrolysis of AB.

Herein, the employment of PVP-protected Pt–Ru bimetallic nanoparticles (3.2 ± 1.4 nm) as highly efficient catalysts in the hydrolysis of ammonia borane for hydrogen generation is reported. They were prepared by co-reduction of two metal ions in ethanol/water mixture by an alcohol reduction method and characterized by TEM–EDX analysis, UV–vis spectroscopy, and X-ray photoelectron spectroscopy. They are recyclable and highly active for hydrogen generation from the hydrolysis of ammonia borane even at very low concentrations and temperature, providing a record numbers of average TOF value (308 mol H2 molcat−1 min−1) and maximum hydrogen generation rate (9884 L H2 min−1 (molcat)−1) for ammonia borane. PVP-protected Pt–Ru bimetallic nanoparticles provide activation energy of 56.3 ± 2 kJ mol−1 for the hydrolysis of ammonia borane.

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Keywords
Platinum; Ruthenium; Nanoparticles; Ammonia borane; Hydrogen
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Hydrogen generation from hydrolysis of ammonia borane in the presence of highly efficient poly(N-vinyl-2-pyrrolidone)-protected platinum-ruthenium nanoparticles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 478, 20 May 2014, Pages 15–20
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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