Effects of ternary mixed crystal and size on optical phonons in wurtzite nitride core-shell nanowires

2014 ◽  
Vol 115 (15) ◽  
pp. 154305 ◽  
Author(s):  
J. Li ◽  
J. Y. Guan ◽  
S. F. Zhang ◽  
S. L. Ban ◽  
Y. Qu
Keyword(s):  
Mixed Crystal ◽  
Core Shell ◽  
Optical Phonons ◽  
Shell Nanowires

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>

scholarly journals Broadband Meta‐Absorber with Au/Ni Core–Shell Nanowires for Solar Vapor Generator

2021 ◽  
Vol 5 (7) ◽  
pp. 2100185
Author(s):  
Soomin Son ◽  
Jaemin Park ◽  
Sucheol Ju ◽  
Daihong Huh ◽  
Junho Jun ◽  
...  
Keyword(s):  
Core Shell ◽  
Vapor Generator ◽  
Shell Nanowires

scholarly journals Correlated optical and structural analyses of individual GaAsP/GaP core–shell nanowires

2019 ◽  
Vol 30 (30) ◽  
pp. 304001 ◽  
Author(s):  
C Himwas ◽  
S Collin ◽  
H-L Chen ◽  
G Patriarche ◽  
F Oehler ◽  
...  
Keyword(s):  
Core Shell ◽  
Shell Nanowires

scholarly journals Gate length dependent transport properties of in-plane core-shell nanowires with raised contacts

Nano Research ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 61-66
Author(s):  
Alexandre Bucamp ◽  
Christophe Coinon ◽  
David Troadec ◽  
Sylvie Lepilliet ◽  
Gilles Patriarche ◽  
...  
Keyword(s):  
Transport Properties ◽  
Core Shell ◽  
Gate Length ◽  
Dependent Transport ◽  
Shell Nanowires

scholarly journals Micro-Raman investigations of InN-GaN core-shell nanowires on Si (111) substrate

AIP Advances ◽  
2013 ◽  
Vol 3 (6) ◽  
pp. 062114 ◽  
Author(s):  
P. Sangeetha ◽  
K. Jeganathan ◽  
V. Ramakrishnan
Keyword(s):  
Core Shell ◽  
Shell Nanowires
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