Stable and highly efficient Cu/TiO2 nanocomposite photocatalyst prepared through atomic layer deposition

2018 ◽  
Vol 568 ◽  
pp. 168-175 ◽  
Author(s):  
Feng Gao ◽  
Jie Jiang ◽  
Liyong Du ◽  
Xinfang Liu ◽  
Yuqiang Ding
2019 ◽  
Author(s):  
Jiajia Tao ◽  
Hong-Ping Ma ◽  
Kaiping Yuan ◽  
Yang Gu ◽  
Jianwei Lian ◽  
...  

<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>


Author(s):  
Liming Huang ◽  
Tingting Yan ◽  
Alaa El Din Mahmoud ◽  
Shuangxi Li ◽  
Jianping Zhang ◽  
...  

The crisis of water scarcity has become one of the most urgent issues to be settled. It is still a challenge to develop a highly efficient water purification technology. In...


2017 ◽  
Vol 27 (24) ◽  
pp. 1700598 ◽  
Author(s):  
Jinxing Li ◽  
Wenjuan Liu ◽  
Jiyuan Wang ◽  
Isaac Rozen ◽  
Sha He ◽  
...  

RSC Advances ◽  
2017 ◽  
Vol 7 (23) ◽  
pp. 14206-14218 ◽  
Author(s):  
Zhi-Guo Qu ◽  
Hui Wang ◽  
Wen Zhang

Cu-BTC/CuO/CFP, which was obtained via atomic layer deposition, has higher selectivity for CH4/N2, temperature uniformity, and lower pressure drop compared to Cu-BTC.


2016 ◽  
Vol 6 (7) ◽  
pp. 2112-2119 ◽  
Author(s):  
Jiankang Zhang ◽  
Chaoqiu Chen ◽  
Wenjun Yan ◽  
Feifei Duan ◽  
Bin Zhang ◽  
...  

Highly efficient Ni nanoparticles deposited on CNTs were synthesized by atomic layer deposition used for hydrogen generation from AB hydrolysis.


2020 ◽  
Vol 10 (4) ◽  
pp. 1161-1170 ◽  
Author(s):  
Huiyu Yang ◽  
Lisha Zhai ◽  
Ke Li ◽  
Xin Liu ◽  
Bo Deng ◽  
...  

A nano-graphite-doped TiO2 composite, C-TiO2, was fabricated by atomic layer deposition (ALD) of TiO2 onto carbon fiber fabrics (CFFs), followed by calcination.


2015 ◽  
Vol 8 (3) ◽  
pp. 916-921 ◽  
Author(s):  
Byeong Jo Kim ◽  
Dong Hoe Kim ◽  
Yoo-Yong Lee ◽  
Hee-Won Shin ◽  
Gill Sang Han ◽  
...  

We report annealing-free compact TiOx layer by atomic layer deposition for high efficiency flexible perovskite solar cells, and maintained 95% of the initial PCE after 1000 bending cycles with 10 mm bending radius.


2019 ◽  
Author(s):  
Jiajia Tao ◽  
Hong-Ping Ma ◽  
Kaiping Yuan ◽  
Yang Gu ◽  
Jianwei Lian ◽  
...  

<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>


2017 ◽  
Vol 7 (10) ◽  
pp. 2032-2038 ◽  
Author(s):  
Yunqin Li ◽  
Shichao Zhao ◽  
Qingmin Hu ◽  
Zhe Gao ◽  
Yequn Liu ◽  
...  

CoOx was deposited in SBA-15 by ALD as efficient catalyst for styrene epoxidation, and an ultrathin TiO2 layer was coated firstly to improve performance further.


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