Synthesis and characterization of mesoporous manganese oxides

被引：7
|
作者：
Hong, XL
Zhang, GY [1 ]
Yang, HQ
Zhu, YY
机构：
[1] Wuhan Univ, Sch Chem & Mol Sci, Wuhan 430072, Peoples R China
[2] China Res Inst Daily Chem Ind, Taiyuan 030001, Peoples R China
来源：
JOURNAL OF MATERIALS SYNTHESIS AND PROCESSING | 2002年 / 10卷 / 06期
关键词：
mesoporous manganese oxide (MPMO); pseudocrystalline; complex network pore structure;
D O I：
10.1023/A:1023845600924
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mesoporous manganese oxide (MPMO) K0.216MnO2 . 1.26H(2)O was synthesized by reduction of KMnO4 with maleic acid. Its composition and structure were analyzed and characterized by inductive coupled plasma atomic emission spectrometry (ICP-AES), titration, X-ray powder diffractometry (XRD), thermogravimetry (TG)-differential thermoanalysis (DTA). The morphology and pore structure of the MPMO material were accomplished by means of high-resolution transmission electron microscopy (HRTEM) and N-2 sorptomptry and transmission electron microscopy (TEM). The results show that MPMO is a pseudocrystalline material with complex network pore structure; its BET surface area is 261.6 m(2)/g and pore diameter distribution is approximately in the range of 2-10 nm. The MPMO material turns into alpha-MnO2 when the calcinating temperature rises to 400degreesC.
引用
收藏
页码：297 / 302
页数：6
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