Journal
CHEMICAL COMMUNICATIONS
Volume 51, Issue 34, Pages 7290-7293Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc01015b
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Funding
- National Natural Science Foundation of China [U1463205, 21222604, 51302185]
- Program for New Century Excellent Talents in University [NCET-10-0611]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars (MOE)
- Program of Introducing Talents of Discipline to Universities [B06006]
- Natural Science Foundation of Tianjin City [13JCYBJC37000]
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This communication describes a highly stable ZnO/Ta2O5 photoanode with Ta2O5 deposited by atomic layer deposition. The ultrathin Ta2O5 protective layer prevents corrosion of ZnO and reduces surface carrier recombination, leading to a nearly two-fold increase of photo-conversion efficiency. The transparency of Ta2O5 to sunlight is identified as the main reason for the excellent stability of the photoelectrode for hours.
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