Noble metal catalyzed preparation of Ni2P/α-Al2O3

Literature Information

Publication Date 2013-04-30
DOI 10.1039/C3CP51170G
Impact Factor 3.676
Authors

Xuguang Liu, Lei Xu


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Abstract

Noble metal (Ru, Pd, and Pt) catalyzed preparation of Ni2P/α-Al2O3 was proved by XRD characterization. As is known from H2-TPR experiments, Pd exhibits superior catalytic activity over Ru and Pt. These noble metal catalysts can be uniformly deposited on nickel phosphate precursors, and generate spillover hydrogen. Such a surface catalytic effect promotes the preparation of Ni2P/α-Al2O3, without avoiding the formation of the minor phase Ni12P5. They can also be homogeneously dispersed in nickel phosphate precursors, and boost bulk diffusion of oxygen during reduction process, this is termed the “bulk catalytic effect”. It is feasible to produce pure phase Ni2P by the latter preparation method using 0.05 wt% Pd or 0.1 wt% Ru at 768 K. The bulk catalytic effect may be considered as a meaningful option for developing catalytic materials.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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