Journal
SCIENTIFIC REPORTS
Volume 6, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep27241
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Funding
- National Basic Research Program of China [2012CB933301, 2014CB648300]
- Key Project of National High Technology Research of China [2011AA050526]
- Ministry of Education of China [IRT1148]
- National Synergetic Innovation Center for Advanced Materials (SICAM)
- Natural Science Foundation of Jiangsu Province, China [BM2012010]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) [YX03001]
- NUPTSF [NY214181, NY213103]
- National Natural Science Foundation of China [51172110, 51372119, 81273409, 61136003, 51173081, 51272107, 61402240]
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A model of interface induction for interlayer growing is proposed for bandgap engineering insights into photocatalysis. In the interface of CdS/ZnS core/shell nanorods, a lamellar solid solution intermediate with uniform thickness and high crystallinity was formed under interface induction process. Merged the novel charge carrier transfer layer, the photocurrent of the core/shell/shell nanorod (css-NR) array was significantly improved to 14.0 mA cm(-2) at 0.0 V vs. SCE, nearly 8 times higher than that of the perfect CdS counterpart and incident photon to electron conversion efficiency (IPCE) values above 50% under AM 1.5G irradiation. In addition, this array photoelectrode showed excellent photocatalytic stability over 6000 s. These results suggest that the CdS/Zn1-xCdxS/ZnS css-NR array photoelectrode provides a scalable charge carrier transfer channel, as well as durability, and therefore is promising to be a large-area nanostructured CdS-based photoanodes in photoelectrochemical (PEC) water splitting system.
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