Impedance and Mott-Schottky analysis of a Pr0.15Ce0.85O2-x solid solution

被引：0
|
作者：
Bouchet, R [1 ]
Knauth, P [1 ]
Stefanik, T [1 ]
Tuller, HL [1 ]
机构：
[1] Univ Aix Marseille 1, CNRS, MADIREL, Ctr Saint Jerome,UMR 6121, F-13397 Marseille 20, France
来源：
SOLID STATE IONICS-2002 | 2003年 / 756卷
关键词：
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The semiconductor properties of a praseodymium-cerium oxide solid solution with composition Pr0.15Ce0.85O2-x (PCO) were investigated by d.c. current-voltage and bias-dependent impedance measurements in aqueous solution. The solution data were compared with impedance values of dry cells in air. A Mott-Schottky analysis of the PCO-solution interface capacitance showed p-type semiconductivity, a flat-band potential E-fb = (2.0 +/- 0.1) V/NHE and an ionized, acceptor density N-A = 3 10(17) cm(-3). Using these data, an electron hole mobility mu(h) approximate to 10(-5) cm(2) V-1 s(-1) was calculated pointing to a small polaron conduction mechanism with a hopping energy (E-h = 0.4 eV).
引用
收藏
页码：169 / 174
页数：6
相关论文
共 50 条
  • [31] Oxygen permeability and stability of dual-phase Ce0.85Pr0.15O2-δ-Pr0.6Sr0.4Fe0.9Al0.1O3-δ membrane for hydrogen production by water splitting
    Xu, Xiaofang
    Cheng, Hongwei
    Liu, Yanbo
    Sun, Qiangchao
    Chen, Sha
    Nie, Wei
    Duan, Tong
    Xu, Qian
    Lu, Xionggang
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2021, 46 (54) : 27307 - 27318
  • [32] Study of oxygen vacancies in Ce0.9Pr0.1O2-δ solid solution by in situ x-ray diffraction and in situ Raman spectroscopy
    Pu, Zhi-Ying
    Lu, Ji-Qing
    Luo, Meng-Fei
    Me, Yun-Long
    JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (50): : 18695 - 18702
  • [33] Synthesis and Characterization of Ce0.85La0.15O1.925 Nanorods (Li, Na)2CO3 Nanocomposites as a Solid Electrolyte for LT-SOFCs
    Jaiswal, Nandini
    Kumar, Devendra
    Upadhyay, Shail
    Parkash, Om
    TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 2019, 72 (08) : 2029 - 2034
  • [34] DETERMINATION OF THE SUPERSTRUCTURE IN (Y0.75CE0.25)(2)(SR0.85Y0.15)(2)ALCU2O9+X BY MEANS OF ELECTRON-MICROSCOPY
    MILAT, O
    KREKELS, T
    AMELINCKX, S
    GREAVES, C
    WRIGHT, AJ
    PHYSICA C, 1993, 217 (3-4): : 444 - 454
  • [35] Synthesis and Characterization of Ce0.85La0.15O1.925 Nanorods (Li, Na)2CO3 Nanocomposites as a Solid Electrolyte for LT-SOFCs
    Nandini Jaiswal
    Devendra Kumar
    Shail Upadhyay
    Om Parkash
    Transactions of the Indian Institute of Metals, 2019, 72 : 2029 - 2034
  • [36] Phase composition and thermal properties of Ce1-x Ln x O2-d (Ln = Sm, Pr) solid solutions
    Ostroushko, A. A.
    Russkikh, O. V.
    Petrova, S. A.
    Zakharov, R. G.
    Prosvetova, M. V.
    INORGANIC MATERIALS, 2010, 46 (09) : 959 - 964
  • [37] Structural and dielectric analysis of (Bi0.5Na0.5Ti0.94Ce0.06O3) 0.85-(CeO2) 0.15 ceramics
    Pradhani, Neeha
    Mahapatra, P. K.
    Choudhary, R. N. P.
    MATERIALS CHEMISTRY AND PHYSICS, 2020, 253
  • [38] X-ray absorption near-edge structure study of Bi2-xPbxSr2(Sm0.85Ce0.15)2Cu2O10+y
    Liang, G
    Yao, Q
    Zhou, S
    Katz, D
    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2005, 424 (3-4): : 107 - 115
  • [39] Electrical and physical properties of composite BaZr0.85Y0.15O3-d-Nd0.1Ce0.9O2-δ electrolytes for intermediate temperature-solid oxide fuel cells
    Park, Ka-Young
    Lee, Tae-Hee
    Jo, Suyeon
    Yang, Jayoon
    Song, Sun-Ju
    Lim, Hyung-Tae
    Kim, Jung Hyun
    Park, Jun-Young
    JOURNAL OF POWER SOURCES, 2016, 336 : 437 - 446
  • [40] Impedance analysis and modulus behavior of Ca0.85Er0.1Ti(1−x)Co4x/3O3 (x = 0.15 and 0.20) ceramic prepared by sol–gel reaction
    Ch. Rayssi
    M. Jebli
    Souhir Bouzidi
    J. Dhahri
    Hafedh Belmabrouk
    Abdullah Bajahzar
    Applied Physics A, 2022, 128
12345