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Promoting Photogenerated Holes Utilization in Pore‐Rich WO 3 Ultrathin Nanosheets for Efficient Oxygen‐Evolving Photoanode
Author(s) -
Liu Youwen,
Liang Lin,
Xiao Chong,
Hua Xuemin,
Li Zhou,
Pan Bicai,
Xie Yi
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201600437
Subject(s) - materials science , oxygen evolution , nanotechnology , water splitting , sustainable energy , oxygen , rational design , chemical engineering , electrochemistry , photocatalysis , catalysis , chemistry , electrode , biochemistry , organic chemistry , renewable energy , electrical engineering , engineering
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 WO 3 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 WO 3 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.