The role of tetraethyl ammonium hydroxide on the phase determination and electrical properties of γ-MnOOH synthesized by hydrothermal

被引：95

作者：

Sharma, PK

Whittingham, MS

机构：

[1] SUNY Binghamton, Dept Chem, Binghamton, NY 13902 USA

[2] SUNY Binghamton, Ctr Mat Res, Binghamton, NY 13902 USA

来源：

MATERIALS LETTERS | 2001年 / 48卷 / 06期

关键词：

oxides; hydrothermal synthesis; X-ray diffraction; electrical properties;

D O I：

10.1016/S0167-577X(00)00320-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

gamma -MnOOH was synthesized by hydrothermal method at low temperature in the presence of tetraethyl ammonium hydroxide [TAH]. The phase of the final product was observed to be sensitive for the concentration of [TAH]. gamma -MnOOH appeared as a purr: and single phase, for the concentration range from 0.1 to 0.5 mole with respect to Mn. The powder prepared was found to have fiber morphology with a high surface area of 71.8 m(2)/g. Thermal and chemical analysis of gamma -MnOOH have been made by TGA/DTA, FTIR and DCP. This study indicates that the concentration of [TAH] affects the conductivity of the powder. The conductivity was explained in terms of the phase obtained in the final product after hydrothermal treatment. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：319 / 323

页数：5

共 21 条

[1] ELECTRICAL CONDUCTIVITY IN OXIDES OF MANGANESE AND RELATED COMPOUNDS [J].