Core–Shell Double Doping of Zn and Ca on β-Ga2O3 Photocatalysts for Remarkable Water Splitting

ACS Catalysis ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 1911-1919
Author(s):  
Akira Yamakata ◽  
Junie Jhon M. Vequizo ◽  
Takafumi Ogawa ◽  
Kosaku Kato ◽  
Shoya Tsuboi ◽  
...  
Keyword(s):  
Water Splitting ◽  
Core Shell ◽  
Double Doping

(Invited) Core-Shell Double Doping for the Remarkable Photocatalytic Water Splitting on Ga2O3

2021 ◽  
Vol MA2021-01 (15) ◽  
pp. 725-725
Author(s):  
Akira Yamakata ◽  
Junie Jhon M. Vequizo ◽  
Kosaku Kato ◽  
Yoshihisa Sakata
Keyword(s):  
Water Splitting ◽  
Core Shell ◽  
Photocatalytic Water Splitting ◽  
Double Doping

One-Dimensional TiO2@GaON Core-Shell Nanowires with Controlled Shell Thickness from Atomic Layer Deposition for Stable and Efficient Photoelectrochemical Water Splitting

2019 ◽  
Author(s):  
Jiajia Tao ◽  
Hong-Ping Ma ◽  
Kaiping Yuan ◽  
Yang Gu ◽  
Jianwei Lian ◽  
...  
Keyword(s):  
Atomic Layer Deposition ◽  
Band Gap ◽  
Water Splitting ◽  
Atomic Layer ◽  
Photoelectrochemical Water Splitting ◽  
Core Shell ◽  
Photoelectrochemical Performance ◽  
Highly Efficient ◽  
Layer Deposition ◽  
Shell Nanowires

<div>As a promising oxygen evolution reaction semiconductor, TiO2 has been extensively investigated for solar photoelectrochemical water splitting. Here, a highly efficient and stable strategy for rationally preparing GaON cocatalysts on TiO2 by atomic layer deposition is demonstrated, which we show significantly enhances the</div><div>photoelectrochemical performance compared to TiO2-based photoanodes. For TiO2@20 nm-GaON core-shell nanowires a photocurrent density up to 1.10 mA cm-2 (1.23 V vs RHE) under AM 1.5 G irradiation (100 mW cm-2) has been achieved, which is 14 times higher than that of TiO2 NWs. Furthermore, the oxygen vacancy formation on GaON as well as the band gap matching with TiO2 not only provides more active sites for water oxidation but also enhances light absorption to promote interfacial charge separation and migration. Density functional theory studies of model systems of GaON-modified TiO2 confirm the band gap reduction, high reducibility and ability to activate water. The highly efficient and stable systems of TiO2@GaON core-shell nanowires provide a deeper understanding and universal strategy for enhancing photoelectrochemical performance of photoanodes now available. </div>

Hetero-structured V-Ni3S2@NiOOH core-shell nanorods from an electrochemical anodization for water splitting

2021 ◽  
Vol 856 ◽  
pp. 158219
Author(s):  
Yao Wang ◽  
Jinchao Liu ◽  
Yifei Liao ◽  
Chaoling Wu ◽  
Yungui Chen
Keyword(s):  
Water Splitting ◽  
Electrochemical Anodization ◽  
Core Shell

Exclusive strain effect boosts overall water splitting in PdCu/Ir core/shell nanocrystals

2021 ◽  
Author(s):  
Menggang Li ◽  
Zhonglong Zhao ◽  
Zhonghong Xia ◽  
Mingchuan Luo ◽  
Qinghua Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Strain Effect ◽  
Core Shell ◽  
Overall Water Splitting

Electron transfer kinetics in water splitting dye-sensitized solar cells based on core–shell oxide electrodes

2012 ◽  
Vol 155 ◽  
pp. 165-176 ◽  
Author(s):  
Seung-Hyun Anna Lee ◽  
Yixin Zhao ◽  
Emil A. Hernandez-Pagan ◽  
Landy Blasdel ◽  
W. Justin Youngblood ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Solar Cells ◽  
Water Splitting ◽  
Dye Sensitized Solar Cells ◽  
Core Shell ◽  
Electron Transfer Kinetics ◽  
Dye Sensitized ◽  
Oxide Electrodes ◽  
Sensitized Solar Cells
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