Photoelectrochemistry: Enhanced Charge Transfer by Passivation Layer in 3DOM Ferroelectric Heterojunction for Water Oxidation in HCO 3  − /CO 2  System (Small 17/2019) | Zendy

Cai Zihe | Zendy; Yan Yang | Zendy; Liu Lin | Zendy; Lin Shengxuan | Zendy; Hu Xiaobin | Zendy

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Photoelectrochemistry: Enhanced Charge Transfer by Passivation Layer in 3DOM Ferroelectric Heterojunction for Water Oxidation in HCO 3 − /CO 2 System (Small 17/2019)

Author(s) -

Cai Zihe,

Yan Yang,

Liu Lin,

Lin Shengxuan,

Hu Xiaobin

Publication year - 2019

Publication title -

small

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.785

H-Index - 236

eISSN - 1613-6829

pISSN - 1613-6810

DOI - 10.1002/smll.201970087

Subject(s) - passivation , photocurrent , heterojunction , materials science , photoelectrochemistry , dielectric spectroscopy , layer (electronics) , ferroelectricity , water splitting , optoelectronics , chemical engineering , electrode , nanotechnology , electrochemistry , chemistry , photocatalysis , catalysis , dielectric , engineering , biochemistry

In article number 1804930 , Xiaobin Hu and co‐workers demonstrate a two‐layer ferroelectric heterojunction, in which BiFeO 3 acts as the 3D macroporous skeleton and LiNbO 3 as the passivation layer. This photoanode exhibits a tremendous enhancement of photocurrent density in a HCO 3 ‐/CO 2 system. Photoelectrochemical impedance spectroscopy suggests that the synergistic effect of the skeleton and passivation layer promote the charge transfer by tuning surface states. This work provides a strategy for enhancing photoelectrochemical water oxidation as the anodic reaction of CO 2 reduction.

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