Laser synthesis of oxygen vacancy-modified CoOOH for highly efficient oxygen evolution

2019 ◽  
Vol 55 (20) ◽  
pp. 2904-2907 ◽  
Author(s):  
Chao Meng ◽  
Mengchang Lin ◽  
Xuechun Sun ◽  
Xiaodong Chen ◽  
Xuemin Chen ◽  
...  

Laser ablation in liquids has been, for the first time, employed to produce oxygen vacancy-modified CoOOH nanosheets for efficient water oxidation.

Nanoscale ◽  
2021 ◽  
Author(s):  
Bing Fu ◽  
Zhijiao Wu ◽  
Kai Guo ◽  
Lingyu Piao

Owing to their scientific and technological importance, the development of highly efficient photocatalytic water oxidation systems with rapid photogenerated charge separation and high surface catalytic activity has highly desirable for...


2014 ◽  
Vol 2 (30) ◽  
pp. 11799-11806 ◽  
Author(s):  
Xuemei Zhou ◽  
Zhaoming Xia ◽  
Zhiyun Zhang ◽  
Yuanyuan Ma ◽  
Yongquan Qu

One-step hydrothermal synthesis of ultra-thin β-Ni(OH)2 nanoplates (1.5–3.0 nm thickness) and their composite with multi-walled carbon nanotubes in the absence of surfactants function as highly efficient and stable electrocatalysts for oxygen evolution reaction.


2019 ◽  
Vol 7 (2) ◽  
pp. 461-468 ◽  
Author(s):  
Qi Hu ◽  
Guodong Li ◽  
Xiufang Liu ◽  
Bin Zhu ◽  
Guomin Li ◽  
...  

At first time, a porous dual-doped carbon network-immobilized ultrafine pentlandites nanoparticles (NPs) was employed as a highly stable and efficient electrocatalyst for acid oxygen evolution reaction.


2020 ◽  
Vol 8 (31) ◽  
pp. 15767-15773 ◽  
Author(s):  
Youhai Cao ◽  
Song Guo ◽  
Changlin Yu ◽  
Jiangwei Zhang ◽  
Xiaoli Pan ◽  
...  

A rapid one-step and effective synthesis strategy is reported for the first time to produce the ionic liquid-modified AMHs nanoparticles (e.g. FeNi) for the highly efficient OER.


2019 ◽  
Vol 7 (39) ◽  
pp. 22274-22278 ◽  
Author(s):  
Chenchen Feng ◽  
Qi Zhou ◽  
Bin Zheng ◽  
Xiang Cheng ◽  
Yajun Zhang ◽  
...  

Spinel-structured NiCo2O4 nanosheets with dual-metal active sites, an ultrathin structure, and abundant oxygen vacancies were decorated for the first time on a BiVO4 photoanode for highly efficient PEC water oxidation.


2019 ◽  
Vol 55 (20) ◽  
pp. 3000-3003 ◽  
Author(s):  
Zhaoying Wang ◽  
Zheng Lin ◽  
Peng Diao

Iridium–cobalt phosphates act as highly efficient electrocatalysts for water oxidation with an intrinsic activity even superior to iridium phosphate.


2014 ◽  
Vol 136 (38) ◽  
pp. 13118-13121 ◽  
Author(s):  
Bryan M. Hunter ◽  
James D. Blakemore ◽  
Mark Deimund ◽  
Harry B. Gray ◽  
Jay R. Winkler ◽  
...  

2015 ◽  
Vol 17 (8) ◽  
pp. 5642-5649 ◽  
Author(s):  
M. Salari ◽  
S. H. Aboutalebi ◽  
A. Aghassi ◽  
P. Wagner ◽  
A. J. Mozer ◽  
...  

Fine-tuning of the bandgap structure of undoped highly ordered TiO2 nanotube arrays for efficient photo-electrochemical water oxidation.


Nanoscale ◽  
2020 ◽  
Vol 12 (17) ◽  
pp. 9557-9568
Author(s):  
Shuang Wang ◽  
Xingbo Ge ◽  
Chao Lv ◽  
Cun Hu ◽  
Hongtai Guan ◽  
...  

Oxygen vacancy-rich amorphous porous NiFe(OH)x on carbon paper is prepared through a two-step electrochemical depostion of Prussian blue nanocrystal layer and Ni(OH)x layer followed by an alkaline etching process for efficient OER catalysis.


Nanoscale ◽  
2018 ◽  
Vol 10 (15) ◽  
pp. 7033-7039 ◽  
Author(s):  
Huiwen Lan ◽  
Aimin Wei ◽  
Hechuang Zheng ◽  
Xuhui Sun ◽  
Jun Zhong

Surface Fe(iv) defects in hematite are for the first time identified and passivated by surface boron-termination for efficient solar water oxidation.


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