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Title: Cu2In2ZnS5/Gd2O2S:Tb for full solar spectrum photoreduction of Cr(VI) and CO2 from UV/vis to near-infrared light
Authors: Liu, Xinjuan
Liu, Baibai
Li, Lei
Zhuge, Zhihao
Chen, Pengbin
Li, Can
Gong, Yinyan
Niu, Lengyuan
Liu, Junying
Lei, Lei
Sun, Chang Qing
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Liu, X., Liu, B., Li, L, Zhuge, Z., Chen, P., Li, C., . . . Sun, C. Q. (2019). Cu2In2ZnS5/Gd2O2S:Tb for full solar spectrum photoreduction of Cr(VI) and CO2 from UV/vis to near-infrared light. Applied Catalysis B: Environmental, 249, 82-90. doi:10.1016/j.apcatb.2019.02.061
Journal: Applied Catalysis B: Environmental
Abstract: Full solar spectrum active heterogenous photocatalysis for environmental applications remains highly challenging. Here we report the novel Cu2In2ZnS5/Gd2O2S:Tb (CG) hybrid photocatalysts via a facile solvothermal method for efficient Cr(VI) and CO2 reduction. The narrow band gap energies of the CG hybrid photocatalysts synthesized via a facile solvothermal method show excellent absorption and catalytic activity in the full solar spectrum. High Cr(VI) reduction rate of 90% and CH4 production rate of 57.73 μmol h−1 g−1 are achieved for CG hybrid photocatalyst with 1 wt.% Gd2O2S:Tb. The excellent performance is due to the fact that in the hybrid, Gd2O2S:Tb as cocatalyst, provides more active sites and inhibits the recombination of charge carriers due to the synergetic effect between Cu2In2ZnS5 and Gd2O2S:Tb, consequently improving the photocatalytic reduction activity.
ISSN: 0926-3373
DOI: 10.1016/j.apcatb.2019.02.061
Rights: © 2019 Elsevier B.V. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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