Effect of Dopant-Host Ionic Radii Mismatch on Acceptor -Doped Barium Zirconate Microstructure and Proton Conductivity

被引：116

作者：

Gilardi, Elisa ^{[1
]}

Fabbri, Emiliana ^{[2
]}

Bi, Lei ^{[3
]}

Rupp, Jennifer L. M. ^{[4
]}

Lippert, Thomas ^{[1
,5
]}

Pergolesi, Daniele ^{[1
]}

Traversa, Enrico ^{[6
,7
,8
]}

机构：

[1] Paul Scherrer Inst, Res Neutrons & Muons Div, Thin Films & Interfaces, CH-5232 Villigen, Switzerland

[2] Paul Scherrer Inst, Electrochem Lab, CH-5232 Villigen, Switzerland

[3] Qingdao Univ, Inst Mat Energy & Environm, Coll Mat Sci & Engn, Ningxia Rd 308, Qingdao 266071, Peoples R China

[4] MIT, Electrochem Mat Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[5] ETH, Dept Chem & Appl Biosci, Lab Inorgan Chem, Vladimir Prelog Weg 1-5-10, CH-8093 Zurich, Switzerland

[6] Xi An Jiao Tong Univ, Int Res Ctr Renewable Energy, Xian 710049, Shaanxi, Peoples R China

[7] Univ Roma Tor Vergata, NAST Ctr, I-00133 Rome, Italy

[8] Univ Roma Tor Vergata, Dept Chem Sci & Technol, I-00133 Rome, Italy

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2017年 / 121卷 / 18期

基金：

瑞士国家科学基金会;

关键词：

CATION NONSTOICHIOMETRY; TRANSPORT-PROPERTIES; PEROVSKITE; SC; GA; CONDUCTORS; DYNAMICS; GD; YB; ER;

D O I：

10.1021/acs.jpcc.7b02163

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the present study, morphological and electrical 'properties of BaZrO3 were investigated as a function of the ionic radii mismatch between Zr and,the different B-site dopants (Al, Se, In, Lu, Tm, Y, Gd,.Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical-role of the ionic radius,of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.

引用

页码：9739 / 9747

页数：9

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