Atomic-level Coupled Spinel@perovskite Dual-phase Oxides toward Enhanced Performance in Zn-air Batteries

2022 ◽  
Author(s):  
Jiaqi Ran ◽  
Jianfeng Wu ◽  
Yongfeng Hu ◽  
Mohsen Shakouri ◽  
Baorui Xia ◽  
...  
Keyword(s):  
Oxygen Vacancies ◽  
Atomic Level ◽  
Dual Phase ◽  
Interface Engineering ◽  
Efficient Strategy ◽  
Electrocatalytic Performance

Interface engineering has been proved to be an efficient strategy for boosting electrocatalytic performance and has attracted increasing interest in past few decades. Herein, Co3O4@LaCoO3 heterojunctions with abundant oxygen vacancies,...

Interfacial and structural modifications in perovskite solar cells

Nanoscale ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 5719-5745 ◽  
Author(s):  
Jazib Ali ◽  
Yu Li ◽  
Peng Gao ◽  
Tianyu Hao ◽  
Jingnan Song ◽  
...  
Keyword(s):  
Solar Cells ◽  
Photovoltaic Cells ◽  
Perovskite Solar Cells ◽  
Carrier Dynamics ◽  
Interface Engineering ◽  
Ion Migration ◽  
Structural Modifications ◽  
Efficient Strategy ◽  
Perovskite Photovoltaic

Interface engineering is an efficient strategy for passivating defects, improving carrier dynamics, suppressing ion migration, and enhancing the performance of perovskite photovoltaic cells.

Crystalline/Amorphous Hetero-Phase Ru Nanoclusters for Efficient Electrocatalytic Oxygen Reduction and Hydrogen Evolution

2021 ◽  
Author(s):  
Xiaohui Guo ◽  
shuangquan liu ◽  
lanxin dai ◽  
jiaoxiong fan ◽  
xue li ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Hydrogen Evolution ◽  
Phase Interface ◽  
Interface Engineering ◽  
Electrocatalytic Performance ◽  
Electrocatalytic Oxygen Reduction

The development of excellent catalysts via interface engineering has been intensively explored due to its great potential for enhancing the electrocatalytic performance. However, the hetero-phase interface composed of same species...

Rapid activation of Co3O4 cocatalysts with oxygen vacancies on TiO2 photoanodes for efficient water splitting

2018 ◽  
Vol 6 (42) ◽  
pp. 21003-21009 ◽  
Author(s):  
Guojun Dong ◽  
Hongyan Hu ◽  
Xiaojuan Huang ◽  
Yajun Zhang ◽  
Yingpu Bi
Keyword(s):  
Plasma Treatment ◽  
Water Splitting ◽  
Oxygen Vacancies ◽  
Photocurrent Density ◽  
Efficient Strategy ◽  
Highly Efficient ◽  
Ar Plasma ◽  
Rapid Activation

Herein, we demonstrate a rapid and highly efficient strategy for rationally constructing oxygen vacancies on Co3O4 cocatalysts by Ar-plasma treatment, and the photocurrent density could be achieved up to 2.5 mA cm−2 (1.23 VRHE) under AM 1.5G irradiation (100 mW cm−2).

scholarly journals High-performance Bi2O3-NC anodes through constructing carbon shells and oxygen vacancies for flexible battery-supercapacitor hybrid devices

2021 ◽  
Author(s):  
Chao Yang ◽  
Qi Jia ◽  
Qianqian Pan ◽  
Wentao Qi ◽  
Rui Ling ◽  
...  
Keyword(s):  
High Performance ◽  
Oxygen Vacancies ◽  
Specific Capacity ◽  
Rate Capability ◽  
Cycling Stability ◽  
Hybrid Device ◽  
Efficient Strategy ◽  
Flexible Battery ◽  
Hybrid Devices

A facile and efficient strategy of constructing carbon shells and oxygen vacancies is proposed, in order to improve specific capacity, rate capability and cycling stability of the Bi2O3 anode for the battery–supercapacitor hybrid device.

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