Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1247, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2021.131294
Keywords
Cu2O; TiO2; H(2)production; Heterojunction; Photocatalysis
Categories
Funding
- NSFC [21771166, U2004196]
- Center Plain Science and Technology Innovation Talents [19420 0510 013]
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Cu2O/TiO2 heterogeneous materials were prepared via simple hydrothermal and physical mixing processes to study their photocatalytic H-2 production performance. The CT-70 (70 wt% of TiO2) showed superior photocatalytic activity with H-2 production of 8.33 mmol g(-1) in 6 h, significantly outperforming Cu2O and TiO2. The enhancement of H-2 generation was attributed to the proper band gap structure and heterojunction between Cu2O and TiO2. This work provides a strategy for preparing composite materials with high photocatalytic activity.
The Cu2O/TiO2 heterogeneous materials were fabricated via simple hydrothermal and physical mixing processes to investigate the photocatalytic H-2 production performance. The morphology evolution of Cu2O was systematically explored by adjusting the amount of chemical reagents. The CT-70 (the additive amount of TiO2 was 70 wt%) exhibited superior photocatalytic activity with H-2 production of 8.33 mmol g(-1) in 6 h, which was about 416 and 49-fold more elevated those of Cu2O and TiO2. The enhancement of H-2 generation was ascribed to the proper band gap structure and the heterojunction between Cu2O and TiO2. This work provides a strategy for the simple preparation of composite materials with high photocatalytic activity. (C) 2021 Elsevier B.V. All rights reserved.
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