Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 1, Pages 36-40Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am405137p
Keywords
photoelectrochemical; water splitting; nanostructured hematite photoanode; antimony-doped tin oxide; conductive underlayer
Funding
- National Natural Science Foundation [51102272, 91127001]
- Foundation of State Key Laboratory of Coal Combustion [FSKLCC1209]
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Hematite is a promising semiconductor candidate for PEC water splitting. However, hematite is far well short of the theoretical value of solar-to-fuel conversion efficiency because of the fast recombination of photogenerated carriers. To address this limitation, a facile template-free preparation of hematite photoanode with nanostructured ATO (antimony-doped tin oxide) conductive underlayer served as a scaffold to transport photogenerated electron was developed to decrease the recombination opportunities of the carriers. Furthermore, the constructed ATO scaffold could also increase the light absorption of hematite and the number of the carriers, resulting in better PEC performance of hematite.
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