Preparation of MgO nano-rods with strong catalytic activity via hydrated basic magnesium carbonates

被引：59

作者：

Sutradhar, Narottam ^{[1
]}

Sinhamahapatra, Apurba ^{[1
]}

Roy, Biplab ^{[1
]}

Bajaj, Hari C. ^{[1
]}

Mukhopadhyay, Indrajit ^{[1
]}

Panda, Asit Baran ^{[1
]}

机构：

[1] Cent Salt & Marine Chem Res Inst CSIR, Bhavnagar 364002, Gujarat, India

来源：

MATERIALS RESEARCH BULLETIN | 2011年 / 46卷 / 11期

关键词：

Oxides; Chemical synthesis; X-ray diffraction; Surface properties; OXIDE; SURFACE; REAGENTS; IONS; SIZE;

D O I：

10.1016/j.materresbull.2011.02.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

MgO nano-rods of several microns in length and 50-100 nm in width were prepared by calcining nesquehonite phase, obtained by simple precipitation using (NH4)(2)CO3 under ambient condition. The MgO nano-rod with reasonably high surface area (75-120 m(2) g(-1))exhibits strong activity in solvent-free base catalyzed Claisen-Schmidt condensation giving 99% conversion in 2 h and is easily recyclable with no significant change in catalytic activity. Presence of numerous basic sites of different strengths (surface hydroxyl groups, low coordinate O2- sites) is attributed to the observed effect. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2163 / 2167

页数：5

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