High-Conductive Protonated Layered Oxides from H2 O Vapor-Annealed Brownmillerites

High-Conductive Protonated Layered Oxides from H2 O Vapor-Annealed Brownmillerites

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 33(2021), 48 vom: 01. Dez., Seite e2104623
1. Verfasser: Hu, Songbai (VerfasserIn)
Weitere Verfasser: Zhu, Yuanmin, Han, Wenqiao, Li, Xiaowen, Ji, Yanjiang, Ye, Mao, Jin, Cai, Liu, Qi, Hu, Sixia, Wang, Jiaou, Wang, Junling, He, Jiaqing, Cazorla, Claudio, Chen, Lang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article brownmillerite conductivity layered oxides protons water vapor
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520 |a Protonated 3d transition-metal oxides often display low electronic conduction, which hampers their application in electric, magnetic, thermoelectric, and catalytic fields. Electronic conduction can be enhanced by co-inserting oxygen acceptors simultaneously. However, the currently used redox approaches hinder protons and oxygen ions co-insertion due to the selective switching issues. Here, a thermal hydration strategy for systematically exploring the synthesis of conductive protonated oxides from 3d transition-metal oxides is introduced. This strategy is illustrated by synthesizing a novel layered-oxide SrCoO3 H from the brownmillerite SrCoO2.5 . Compared to the insulating SrCoO2.5 , SrCoO3 H exhibits an unprecedented high electronic conductivity above room temperature, water uptake at 250 °C, and a thermoelectric power factor of up to 1.2 mW K-2 m-1 at 300 K. These findings open up opportunities for creating high-conductive protonated layered oxides by protons and oxygen ions co-doping 
650 4 |a Journal Article 
650 4 |a brownmillerite 
650 4 |a conductivity 
650 4 |a layered oxides 
650 4 |a protons 
650 4 |a water vapor 
700 1 |a Zhu, Yuanmin  |e verfasserin  |4 aut 
700 1 |a Han, Wenqiao  |e verfasserin  |4 aut 
700 1 |a Li, Xiaowen  |e verfasserin  |4 aut 
700 1 |a Ji, Yanjiang  |e verfasserin  |4 aut 
700 1 |a Ye, Mao  |e verfasserin  |4 aut 
700 1 |a Jin, Cai  |e verfasserin  |4 aut 
700 1 |a Liu, Qi  |e verfasserin  |4 aut 
700 1 |a Hu, Sixia  |e verfasserin  |4 aut 
700 1 |a Wang, Jiaou  |e verfasserin  |4 aut 
700 1 |a Wang, Junling  |e verfasserin  |4 aut 
700 1 |a He, Jiaqing  |e verfasserin  |4 aut 
700 1 |a Cazorla, Claudio  |e verfasserin  |4 aut 
700 1 |a Chen, Lang  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 33(2021), 48 vom: 01. Dez., Seite e2104623  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:33  |g year:2021  |g number:48  |g day:01  |g month:12  |g pages:e2104623 
856 4 0 |u http://dx.doi.org/10.1002/adma.202104623  |3 Volltext 
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