Surface Passivation of GaN Nanowires for Enhanced Photoelectrochemical Water-Splitting

Nano Letters ◽  
2017 ◽  
Vol 17 (3) ◽  
pp. 1520-1528 ◽  
Author(s):  
Purushothaman Varadhan ◽  
Hui-Chun Fu ◽  
Davide Priante ◽  
Jose Ramon Duran Retamal ◽  
Chao Zhao ◽  
...  
Keyword(s):  
Water Splitting ◽  
Surface Passivation ◽  
Photoelectrochemical Water Splitting ◽  
Gan Nanowires

scholarly journals Activating the surface and bulk of hematite photoanodes to improve solar water splitting

2019 ◽  
Vol 10 (44) ◽  
pp. 10436-10444 ◽  
Author(s):  
Hemin Zhang ◽  
Jong Hyun Park ◽  
Woo Jin Byun ◽  
Myoung Hoon Song ◽  
Jae Sung Lee
Keyword(s):  
Water Splitting ◽  
Oxygen Vacancies ◽  
Surface Passivation ◽  
Photoelectrochemical Water Splitting ◽  
Electrochemical Activation ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Waking Up

Waking up the hematite lion: a simple electrochemical activation treatment leads to surface passivation outside and generation of oxygen vacancies inside, which greatly enhances photoelectrochemical water splitting.

scholarly journals Effect of Surface Passivation on Photoelectrochemical Water Splitting Performance of WO3 Vertical Plate-Like Films

Catalysts ◽  
2015 ◽  
Vol 5 (4) ◽  
pp. 2024-2038 ◽  
Author(s):  
Yahui Yang ◽  
Renrui Xie ◽  
Yang Liu ◽  
Jie Li ◽  
Wenzhang Li
Keyword(s):  
Water Splitting ◽  
Vertical Plate ◽  
Surface Passivation ◽  
Photoelectrochemical Water Splitting ◽  
Effect Of Surface

Improvement in Photoelectrochemical Water-Splitting Performance Using GaN Nanowires with Bundle Structures

2021 ◽  
Author(s):  
Sangmoon Han ◽  
Siyun Noh ◽  
Jaehyeok Shin ◽  
Yeon-Tae Yu ◽  
Cheul-Ro Lee ◽  
...  
Keyword(s):  
Water Splitting ◽  
Photoelectrochemical Water Splitting ◽  
Gan Nanowires ◽  
Gan Nanowire

We report an approach to improve the photoelectrochemical water splitting (PEC-WS) performance using GaN-nanowire (NW) bundles (GNW-BDLs) as the photoanode material. The bundles were formed by dipping GaN NWs with...

Enhanced photoelectrochemical water splitting efficiency of hematite electrodes with aqueous metal ions as in situ homogenous surface passivation agents

2016 ◽  
Vol 18 (42) ◽  
pp. 29300-29307 ◽  
Author(s):  
Tsing Hai Wang ◽  
Yu-Jung Cheng ◽  
Yi-Yo Wu ◽  
Chih-Ang Lin ◽  
Chia-Che Chiang ◽  
...  
Keyword(s):  
Metal Ions ◽  
Water Splitting ◽  
Surface Passivation ◽  
Surface States ◽  
Photoelectrochemical Water Splitting

Interactions between aqueous metal ions with hematite electrodes can in situ passivate surface states and thus enhance PEC efficiency.

Enhanced Photoelectrochemical Water Splitting Performance of Anodic TiO2 Nanotube Arrays by Surface Passivation

2014 ◽  
Vol 6 (19) ◽  
pp. 17053-17058 ◽  
Author(s):  
Qunfang Gui ◽  
Zhen Xu ◽  
Haifeng Zhang ◽  
Chuanwei Cheng ◽  
Xufei Zhu ◽  
...  
Keyword(s):  
Water Splitting ◽  
Surface Passivation ◽  
Tio2 Nanotube Arrays ◽  
Tio2 Nanotube ◽  
Photoelectrochemical Water Splitting ◽  
Nanotube Arrays

Sequentially surface modified hematite enables lower applied bias photoelectrochemical water splitting

2017 ◽  
Vol 19 (31) ◽  
pp. 20881-20890 ◽  
Author(s):  
Andebet Gedamu Tamirat ◽  
Amare Aregahegn Dubale ◽  
Wei-Nien Su ◽  
Hung-Ming Chen ◽  
Bing-Joe Hwang
Keyword(s):  
Water Splitting ◽  
Surface Passivation ◽  
Surface Treatments ◽  
Passivation Layer ◽  
Photoelectrochemical Water Splitting ◽  
Applied Bias ◽  
Onset Potential ◽  
Heavily Doped ◽  
Surface Modified

We achieve a low onset potential of 0.49 V using heavily doped Fe2−xSnxO3surface passivation layer and NiOOH dual surface treatments.

scholarly journals Enhanced photoelectrochemical water-splitting performance of semiconductors by surface passivation layers

2014 ◽  
Vol 7 (8) ◽  
pp. 2504-2517 ◽  
Author(s):  
Rui Liu ◽  
Zhi Zheng ◽  
Joshua Spurgeon ◽  
Xiaogang Yang
Keyword(s):  
Water Splitting ◽  
Surface Passivation ◽  
Review Paper ◽  
Photoelectrochemical Water Splitting ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Passivation Layers

This review paper summarized recent studies on improving the efficiency of semiconductor-based solar water-splitting devices by introducing surface passivation layers.

scholarly journals Improved Photoelectrochemical Water Splitting of CaNbO2N Photoanodes by CoPi Photodeposition and Surface Passivation

2018 ◽  
Vol 123 (2) ◽  
pp. 1059-1068 ◽  
Author(s):  
Fatima Haydous ◽  
Wenping Si ◽  
Vitaliy A. Guzenko ◽  
Friedrich Waag ◽  
Ekaterina Pomjakushina ◽  
...  
Keyword(s):  
Water Splitting ◽  
Surface Passivation ◽  
Photoelectrochemical Water Splitting
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