NDLI: Efficient visible-light-induced hydrogen evolution from water splitting using a nanocrystalline nickel phosphide catalyst

Content Provider	Royal Society of Chemistry (RSC)
Author	Yue, Xianyang Wu, Xiao-Yuan Wu, Weiming Lu, Can-Zhong
Copyright Year	2016
Abstract	Nanocrystalline nickel phosphide (Ni12P5) was successfully synthesized by a simple hydrothermal method via using NiCl2 and red phosphorus as raw materials. The crystal structure, morphology and surface chemical compositions of the as-prepared sample were characterized by X-ray diffraction, scanning electron microscope and X-ray photoelectron spectroscopy techniques, respectively. Its catalytic activity for the hydrogen evolution from water was investigated under visible light irradiation (λ ≥ 420 nm) with fluorescein sodium as the photosensitizer and triethanolamine as the sacrificial electron donor, respectively. The results indicated that the Ni12P5 sample showed high catalytic activity (10 760 μmol h−1 g−1, TOF = 9.3 h−1) and good stability (15 h) in the present system. The electrochemical results revealed that Ni12P5 had a high cathodic current and small charge transfer resistance, which further suggested Ni12P5 indeed could efficiently catalyze the evolution of hydrogen.
Starting Page	24361
Ending Page	24365
Page Count	5
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	6
Issue Number	29
Journal	RSC Advances
DOI	10.1039/c5ra25286e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrogen Redox Photoemission spectroscopy Scanning electron microscope X-ray crystallography Hydrothermal circulation Sodium Fluorescein Electrochemistry Nickel(II) chloride Triethanolamine Partial current Nickel Allotropes of phosphorus Photosensitizer X-ray photoelectron spectroscopy Phosphide
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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