Journal
NANOSCALE
Volume 6, Issue 19, Pages 11380-11386Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr02902j
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Funding
- National Natural Science Foundation of China [21203114]
- Key Projects in the National Science and Technology Pillar Program during the Twelfth Five-year Plan Period [2011BAD11B01]
- Promotive Research Fund for Excellent Young and Middle-aged Scientists of Shandong Province [BS2012NJ008]
- Science and Technology Development Planning of Shandong province [2013GZX20109]
- Shandong Jingbo Holdings Corporation
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Cuprous oxide/hematite nanotubes (Cu2O/Fe2O3NTs) were prepared by a potentiostatic electrodeposited method, in which different structured Cu2O materials were modified onto Fe2O3 NTs surface. Among them, the material with double-layer Cu2O spheres (Cu2O/Fe2O3 NTs-30) showed excellent photoelectrocatalytic (PEC) properties with a suitable energy band gap (1.96 eV) and a smaller overpotential (0.18 V). Furthermore, Cu2O/Fe2O3 NTs-30 showed two types of synergisms in the PEC reduction of CO2: (i) between electrocatalysis and photocatalysis and (ii) between Cu2O and Fe2O3NTs. The faradaic efficiency and methanol yield reached 93% and 4.94 mmol L-1 cm(-2) after 6 h, respectively.
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