期刊
ADVANCED ENERGY MATERIALS
卷 6, 期 23, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201600437
关键词
photoanode; photogenerated holes; porous; ultrathin nanosheets; WO3
Rational design of active artificial photoanode for photosynthesis water splitting is spotlight for future applications in sustainable energy conversion. In response, focusing on the full-scale restricting factors on the photoanode reaction, the pore-rich WO3 ultrathin nanosheets with nearly fully exposed highly active crystal facets are conceptually presented and experimentally achieved. The scrumptious chemical bond condition and derived electronic structure in pore-rich nanosheets realize the simultaneously optimizing on the multilimitation factors including the carrier of generation, migration, and reaction during overall oxygen-evolving photoanode reaction process. Benefiting from the synergic virtues of more photogenerated holes, rapid the migration rate, shorter migration path, and stronger ability of oxidation, the pore-rich WO3 ultrathin nanosheets-based photoanode delivers delectable photoelectrocatalysis performance, substantially transcending the unmodified contrast. Significantly, the conception of the multilimiting factors coordinated regulation proposed in this work through scrumptious atomic structure design undoubtedly enables new perspective in exploring high-performance oxygen-evolving photoanode.
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