Journal
RSC ADVANCES
Volume 4, Issue 94, Pages 52332-52337Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra10038g
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Funding
- NSF of China [21105030, 21173088]
- key Academic Program of the 3rd phase 211 Project of South China Agricultural University
- State Key Laboratory of Catalysis cooperation project [N-08-08]
- Universities in Guangdong Province Science and Technology Innovation Project [2013KJCX0123]
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Phosphorus-doped g-C3N4 (P-C3N4) nanosheets with unique 3-D nanoporous structures are synthesized for the first time in this work; such functional porous architectures coupled with BiPO4 nanorods can exhibit superior photocatalytic activity for hydrogen production. X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and UV-vis diffusive reflectance spectroscopy have been employed to characterize the heterostructured photocatalytic materials. The as-prepared composite photocatalyst show outstanding activity for photocatalytic hydrogen production under visible light (lambda > 420 nm). The composite photocatalyst with 3.0 wt% BiPO4 shows an optimum photocatalytic activity with a H-2-production rate of 1110 mu mol h(-1) g(-1). The enhanced photocatalytic activity for P-C3N4 coupled with BiPO4 comes from the high migration efficiency of photoinduced electrons on the interface of P-C3N4 and BiPO4.
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