Oxygen defect engineering by the current effect assisted with temperature cycling in a perovskite-type La0.7Sr0.3CoO3 film

Nanoscale ◽  
2017 ◽  
Vol 9 (35) ◽  
pp. 13214-13221 ◽  
Author(s):  
J. Li ◽  
J. Wang ◽  
H. Kuang ◽  
H. R. Zhang ◽  
Y. Y. Zhao ◽  
...  
Keyword(s):  
Low Temperature ◽  
Oxygen Vacancies ◽  
Temperature Cycling ◽  
Oxygen Defect ◽  
Defect Engineering ◽  
Current Effect ◽  
New Approach ◽  
Perovskite Type

A new approach to the engineering of oxygen vacancies in cobaltite films based on the combined current effect and temperature cycling under low temperature.

scholarly journals The modulation of oxygen vacancies by the combined current effect and temperature cycling in La0.7Sr0.3CoO3 film

AIP Advances ◽  
2018 ◽  
Vol 8 (5) ◽  
pp. 056435
Author(s):  
J. Li ◽  
J. Wang ◽  
H. Kuang ◽  
Y. Y. Zhao ◽  
K. M. Qiao ◽  
...  
Keyword(s):  
Oxygen Vacancies ◽  
Temperature Cycling ◽  
Current Effect

Oxygen defect engineering in double perovskite oxides for effective water oxidation

2020 ◽  
Vol 8 (21) ◽  
pp. 10957-10965 ◽  
Author(s):  
Yunmin Zhu ◽  
Xiao Zhong ◽  
Shiguang Jin ◽  
Haijun Chen ◽  
Zuyun He ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Double Perovskite ◽  
Perovskite Oxides ◽  
Oxygen Defect ◽  
Defect Engineering ◽  
Effective Water

Generating oxygen vacancies in PrBa0.5Sr0.5Co1.5Fe0.5O5+δvia plasma treatment for strongly boosted oxygen evolution reaction activity.

Oxygen defect engineering in cobalt iron oxide nanosheets for promoted overall water splitting

2019 ◽  
Vol 7 (38) ◽  
pp. 21704-21710 ◽  
Author(s):  
Chengying Guo ◽  
Xuejing Liu ◽  
Lingfeng Gao ◽  
Xiaojing Ma ◽  
Mingzhu Zhao ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Water Splitting ◽  
Active Sites ◽  
Oxygen Vacancies ◽  
Catalytic Performance ◽  
Oxygen Defect ◽  
Defect Engineering ◽  
Transfer Property ◽  
Cobalt Iron Oxide ◽  
Cobalt Iron

Benefited from the optimized activity of active sites, adsorption energy and the proposed electron transfer property, the CoFe2O4 nanosheet with oxygen vacancies exhibited significantly enhanced water splitting catalytic performance.

scholarly journals Rolling membrane powered by low-temperature steam as a new approach to generate mechanical energy

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Chongshan Yin ◽  
Qicheng Liu ◽  
Qing Liu
Keyword(s):  
Water Vapor ◽  
Low Temperature ◽  
Combustion Engine ◽  
Mechanical Energy ◽  
Heat Energy ◽  
Steam Engine ◽  
Low Grade ◽  
Human Society ◽  
New Approach ◽  
Low Grade Heat

Abstract How to convert heat energy into other forms of usable energy more efficiently is always crucial for our human society. In traditional heat engines, such as the steam engine and the internal combustion engine, high-grade heat energy can be easily converted into mechanical energy, while a large amount of low-grade heat energy is usually wasted owing to its disadvantage in the temperature level. In this work, for the first time, the generation of mechanical energy from both high- and low-temperature steam is implemented by a hydrophilic polymer membrane. When exposed to water vapor with a temperature ranging from 50 to 100 °C, the membrane repeats rolling from one side to another. In nature, this continuously rolling of membrane is powered by the steam, like a miniaturized “steam engine”. The differential concentration of water vapor (steam) on the two sides of the membrane generates the asymmetric swelling, the curve, and the rolling of the membrane. In particular, results suggest that this membrane based “steam engine” can be powered by the steam with a relatively very low temperature of 50 °C, which indicates a new approach to make use of both the high- and low-temperature heat energy.

scholarly journals Regulating thermochemical redox temperature via oxygen defect engineering for protection of solar molten salt receivers

iScience ◽  
2021 ◽  
pp. 103039
Author(s):  
Peng Yuan ◽  
Changdong Gu ◽  
Haoran Xu ◽  
Zeyu Ning ◽  
Kefa Cen ◽  
...  
Keyword(s):  
Molten Salt ◽  
Oxygen Defect ◽  
Defect Engineering

Low temperature reentrant phase transition in the perovskite type layer compound (C3H7NH3)2PbCl4

1992 ◽  
Vol 40 (1-4) ◽  
pp. 239-247 ◽  
Author(s):  
Y. Abid ◽  
M. Kamoun ◽  
A. Daoud ◽  
F. Romain ◽  
A. Lautie
Keyword(s):  
Phase Transition ◽  
Low Temperature ◽  
Layer Compound ◽  
Type Layer ◽  
Perovskite Type
Sign in / Sign up

Export Citation Format

Share Document