New Sulfide Photocatalysts Modified by NiS and Ni(OH)(2) for Photocatalytic Hydrogen Production

D. V. Markovskaya; E. Yu. Gerasimov; E. A. Kozlova; V. N. Parmon

doi:10.1016/j.matpr.2017.09.003

New Sulfide Photocatalysts Modified by NiS and Ni(OH)(2) for Photocatalytic Hydrogen Production

D. V. Markovskaya, E. Yu. Gerasimov, E. A. Kozlova, V. N. Parmon

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The photocatalytic properties of Cd_0.3Zn_0.7S modified by nickel sulfide and nickel hydroxide were studied. The obtained samples were characterized by a wide range of experimental techniques including X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), and high resolution transmission electron microscopy (HRTEM). The photocatalytic activity was measured in the hydrogen evolution from aqueous solutions of Na₂S/Na₂SO₃ under visible light irradiation (λ = 450 nm). The highest photocatalytic activity and apparent quantum efficiency (AQE) were 6.12 mmol h^-1 g^-1 and 22.1%, respectively. A mechanism of the photoinduced transformations of the photocatalysts containing Ni(OH)₂, NiS, and Ni₃S₂ during hydrogen production was proposed.

Original language	English
Pages (from-to)	11331-11335
Number of pages	5
Journal	Materials Today: Proceedings
Volume	4
Issue number	11
DOIs	https://doi.org/10.1016/j.matpr.2017.09.003
Publication status	Published - 1 Jan 2017
Event	Russia-Japan Conference on Advanced Materials - Synthesis, Processing and Properties of Nanostructures (RJCAM) - Novosibirsk Duration: 31 Oct 2016 → 3 Nov 2016

Keywords

Photocatalytic hydrogen production
visible light
Cd0.3Zn0.7S
nickel-based co-catalyst
VISIBLE-LIGHT IRRADIATION
WATER
EVOLUTION
NI3S2

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@article{2825704cb03b44e68c72b630a369a0de,

title = "New Sulfide Photocatalysts Modified by NiS and Ni(OH)(2) for Photocatalytic Hydrogen Production",

abstract = "The photocatalytic properties of Cd0.3Zn0.7S modified by nickel sulfide and nickel hydroxide were studied. The obtained samples were characterized by a wide range of experimental techniques including X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), and high resolution transmission electron microscopy (HRTEM). The photocatalytic activity was measured in the hydrogen evolution from aqueous solutions of Na2S/Na2SO3 under visible light irradiation (λ = 450 nm). The highest photocatalytic activity and apparent quantum efficiency (AQE) were 6.12 mmol h-1 g-1 and 22.1%, respectively. A mechanism of the photoinduced transformations of the photocatalysts containing Ni(OH)2, NiS, and Ni3S2 during hydrogen production was proposed.",

keywords = "Photocatalytic hydrogen production, visible light, Cd0.3Zn0.7S, nickel-based co-catalyst, VISIBLE-LIGHT IRRADIATION, WATER, EVOLUTION, NI3S2",

author = "Markovskaya, {D. V.} and Gerasimov, {E. Yu.} and Kozlova, {E. A.} and Parmon, {V. N.}",

year = "2017",

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T1 - New Sulfide Photocatalysts Modified by NiS and Ni(OH)(2) for Photocatalytic Hydrogen Production

AU - Markovskaya, D. V.

AU - Gerasimov, E. Yu.

AU - Kozlova, E. A.

AU - Parmon, V. N.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - The photocatalytic properties of Cd0.3Zn0.7S modified by nickel sulfide and nickel hydroxide were studied. The obtained samples were characterized by a wide range of experimental techniques including X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), and high resolution transmission electron microscopy (HRTEM). The photocatalytic activity was measured in the hydrogen evolution from aqueous solutions of Na2S/Na2SO3 under visible light irradiation (λ = 450 nm). The highest photocatalytic activity and apparent quantum efficiency (AQE) were 6.12 mmol h-1 g-1 and 22.1%, respectively. A mechanism of the photoinduced transformations of the photocatalysts containing Ni(OH)2, NiS, and Ni3S2 during hydrogen production was proposed.

AB - The photocatalytic properties of Cd0.3Zn0.7S modified by nickel sulfide and nickel hydroxide were studied. The obtained samples were characterized by a wide range of experimental techniques including X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), and high resolution transmission electron microscopy (HRTEM). The photocatalytic activity was measured in the hydrogen evolution from aqueous solutions of Na2S/Na2SO3 under visible light irradiation (λ = 450 nm). The highest photocatalytic activity and apparent quantum efficiency (AQE) were 6.12 mmol h-1 g-1 and 22.1%, respectively. A mechanism of the photoinduced transformations of the photocatalysts containing Ni(OH)2, NiS, and Ni3S2 during hydrogen production was proposed.

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KW - visible light

KW - Cd0.3Zn0.7S

KW - nickel-based co-catalyst

KW - VISIBLE-LIGHT IRRADIATION

KW - WATER

KW - EVOLUTION

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