Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 24, Issue 5, Pages 580-586Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201301889
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Funding
- 973 Program [2011CBA00504]
- National Natural Science Foundation of China (NSFC)
- Beijing Natural Science Foundation [2132043]
- China National Funds for Distinguished Young Scientists of the NSFC
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Well-aligned hierarchical nanoarrays containing ZnO core and layered double hydroxide (LDH) nanoplatelets shell have been synthesized via a facile electrosynthesis method. The resulting ZnO@CoNi-LDH core-shell nanoarray exhibits promising behavior in photoelectrochemical water splitting, giving rise to a largely enhanced photocurrent density as well as stability; much superior to those of ZnO-based photoelectrodes. This is attributed to the successful integration of photogenerated electron-hole separation originating from the ZnO core and the excellent electrocatalytic activity of LDH shell. This work provides a facile and cost-effective strategy for the fabrication of multifunctional nanoarrays with a hierarchical structure, which can be potentially used in energy storage and conversion devices.
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