Research output: Contribution to journal › Article › peer-review
New photocatalysts based on Cd0.3Zn0.7S and Ni(OH)2 for hydrogen production from ethanol aqueous solutions under visible light. / Markovskaya, Dina V.; Kozlova, Ekaterina A.; Gerasimov, Eugeniy Yu et al.
In: Applied Catalysis A: General, Vol. 563, 05.08.2018, p. 170-176.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - New photocatalysts based on Cd0.3Zn0.7S and Ni(OH)2 for hydrogen production from ethanol aqueous solutions under visible light
AU - Markovskaya, Dina V.
AU - Kozlova, Ekaterina A.
AU - Gerasimov, Eugeniy Yu
AU - Bukhtiyarov, Andrey V.
AU - Kozlov, Denis V.
PY - 2018/8/5
Y1 - 2018/8/5
N2 - The Cd0.3Zn0.7S photocatalysts modified by nickel hydroxide were prepared and characterized by different experimental techniques including X-ray diffraction, UV–vis spectroscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. The obtained photocatalysts were tested in the photocatalytic hydrogen evolution from ethanol aqueous solutions under visible light irradiation (λ = 450 nm). The nickel-modified photocatalysts were found to be more active than the zinc-modified ones. The reasons of high activity of Ni-contained photocatalysts and their transformations during the photocatalytic hydrogen production were discussed. The dependences of hydrogen production rate on ethanol and NaOH concentrations were obtained, the highest value of the photocatalytic activity was 27 mmol h−1 g−1 for 1%Pt/10% Ni(OH)2/Cd0.3Zn0.7S (50% vol. ethanol, 1 M NaOH), apparent quantum efficiency exceeded 90%. A kinetic model describing the experimental data was proposed.
AB - The Cd0.3Zn0.7S photocatalysts modified by nickel hydroxide were prepared and characterized by different experimental techniques including X-ray diffraction, UV–vis spectroscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. The obtained photocatalysts were tested in the photocatalytic hydrogen evolution from ethanol aqueous solutions under visible light irradiation (λ = 450 nm). The nickel-modified photocatalysts were found to be more active than the zinc-modified ones. The reasons of high activity of Ni-contained photocatalysts and their transformations during the photocatalytic hydrogen production were discussed. The dependences of hydrogen production rate on ethanol and NaOH concentrations were obtained, the highest value of the photocatalytic activity was 27 mmol h−1 g−1 for 1%Pt/10% Ni(OH)2/Cd0.3Zn0.7S (50% vol. ethanol, 1 M NaOH), apparent quantum efficiency exceeded 90%. A kinetic model describing the experimental data was proposed.
KW - CdZnS
KW - Ethanol
KW - Nickel hydroxide
KW - Photocatalytic hydrogen production
KW - MECHANISM
KW - COCATALYSTS
KW - CDS NANORODS
KW - SIMULATION
KW - ELECTRON-DONORS
KW - IRRADIATION
KW - EVOLUTION
KW - Cd1-xZnxS
KW - H-2 GENERATION
KW - WATER
KW - TIO2
UR - http://www.scopus.com/inward/record.url?scp=85049539096&partnerID=8YFLogxK
U2 - 10.1016/j.apcata.2018.07.002
DO - 10.1016/j.apcata.2018.07.002
M3 - Article
AN - SCOPUS:85049539096
VL - 563
SP - 170
EP - 176
JO - Applied Catalysis A: General
JF - Applied Catalysis A: General
SN - 0926-860X
ER -
ID: 14405249