Tuning oxide activity through modification of the crystal and electronic structure: from strain to potential polymorphs

2015 ◽  
Vol 17 (43) ◽  
pp. 28943-28949 ◽  
Author(s):  
Zhongnan Xu ◽  
John R. Kitchin

The structure-sensitivity of oxide catalysts is explored using density functional theory. The potential activities of undiscovered, oxide polymorphs are evaluated for use in the oxygen evolution reaction.

2020 ◽  
Vol 10 (15) ◽  
pp. 5129-5135
Author(s):  
Wenlong Guo ◽  
Xin Lian

We study the kinetics mechanism for the oxygen evolution reaction (OER) on the (110) and (022) facets of β-Cu2V2O7 using the density functional theory and find that the (110) orientation is more OER active than (022).


2021 ◽  
Author(s):  
Kaifa Lu ◽  
Guanru Chang ◽  
Hui Zhang ◽  
Xin-Yao Yu

By combining density functional theory calculations and experiments, we have demonstrated that the decoration of RuO2 can effectively accelerate the oxygen evolution reaction kinetics of Co3O4 in neutral electrolyte.


Author(s):  
Miaogen Chen ◽  
Wenya Chang ◽  
Yaxin Shi ◽  
Wei Liu ◽  
Can Li

Graphitic carbon nitride (g-C3N4) is recognized as a favorable substrate of monoatom catalyst due to its uniform nanoholes for anchoring the metal monoatom, while the oxygen evolution reaction (OER) overpotential...


Nanoscale ◽  
2021 ◽  
Author(s):  
Chunhua Yang ◽  
Yang Wu ◽  
Yuxiu Wang ◽  
He-Na Zhang ◽  
Liang-Hui Zhu ◽  
...  

In alkaline, the electrocatalytic oxygen evolution reaction (OER) of dual transition metal atoms (2TM) nitrogen-decorated graphene as double-atom catalysts (DACs) has received special attention. Here, using density functional theory (DFT)...


Author(s):  
Zhe Zhang ◽  
Xiaodong Yan ◽  
Jiangyong Liu ◽  
Bing Liu ◽  
Zhi-Guo Gu

Density functional theory (DFT) calculations predict that Fe sites are the preferred active centers for OER, while Ni centers are activated at higher potentials. Tuning the local electronic environment of...


2019 ◽  
Vol 21 (18) ◽  
pp. 9531-9537 ◽  
Author(s):  
Xi Cao ◽  
Xueqing Zhang ◽  
Rochan Sinha ◽  
Shuxia Tao ◽  
Anja Bieberle-Hütter

The charge redistribution during oxygen evolution reaction relates to the electrochemical activity as shown for Ag3PO4 structures.


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