Journal
RSC ADVANCES
Volume 7, Issue 22, Pages 13223-13227Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra00039a
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Funding
- National Natural Science Foundation of China [51478075, 21590813]
- Natural Science Foundation of Liaoning Province of China [2014020149]
- Scientific research project of Liaoning Provincial Department of Education [L201603]
- Open Foundation of Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants [PY16005]
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A three-dimensional (3D) nanostructured photocatalyst combined with g-C3N4 quantum dots (QDs) and a TiO2 nanotube array (TNA) was fabricated to form a 3D g-C3N4/ TNA nanocomposite by a facile electro-deposition process. The photocatalytic ability of the 3D g-C3N4/ TNA was evaluated by measuring the amount of hydrogen generated from water splitting under visible light irradiation. Benefiting from an attractive heterostructure between g-C3N4 and TiO2 leading to a unique photogenerated charge separation, as well as a distinctive 3D well-ordered nanotube structure, this 3D g-C3N4/ TNA exhibited an average H-2 production of approximately 243 mmol h(-1) g(-1), which was approximately 4.7 times higher than that of sole g-C3N4 under the same experimental conditions. Therefore, this work could offer a prospective 3D nanostructure for visible light-driven photocatalytic applications.
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