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- Title
Efficient Hole Extraction from a Hole-Storage-Layer-Stabilized Tantalum Nitride Photoanode for Solar Water Splitting.
- Authors
Liu, Guiji; Fu, Ping; Zhou, Lingyu; Yan, Pengli; Ding, Chunmei; Shi, Jingying; Li, Can
- Abstract
One of the major hurdles that impedes the practical application of photoelectrochemical (PEC) water splitting is the lack of stable photoanodes with low onset potentials. Here, we report that the Ni(OH) x/MoO3 bilayer, acting as a hole-storage layer (HSL), efficiently harvests and stores holes from Ta3N5, resulting in at least 24 h of sustained water oxidation at the otherwise unstable Ta3N5 electrode and inducing a large cathodic shift of ≈600 mV in the onset potential of the Ta3N5 electrode.
- Subjects
TANTALUM; SOLAR heating; TRANSITION metals; CHEMICAL reactions; OXIDATION
- Publication
Chemistry - A European Journal, 2015, Vol 21, Issue 27, p9624
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201500745