Effect of water to surfactant ratio (R) on the particle size of MgAl2O4 nanoparticle prepared via reverse micelle process

被引：29

作者：

Chandradass, J. ^{[1
]}

Balasubramanian, M. ^{[2
]}

Bae, Dong Sik ^{[3
]}

Kim, Jongryoul ^{[4
]}

Kim, Ki Hyeon ^{[1
]}

机构：

[1] Yeungnam Univ, Dept Phys, Gyongsan 712749, Gyeongsangbuk D, South Korea

[2] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

[3] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Gyeongnam 641773, South Korea

[4] Hanyang Univ, Dept Met & Mat Engn, Ansan 425791, South Korea

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 491卷 / 1-2期

关键词：

Ceramics; Chemical synthesis; Crystal structure; Microstructure; X-ray diffraction; Transmission electron microscopy; MAGNESIUM ALUMINATE SPINEL; COMBUSTION SYNTHESIS; MICROEMULSION; POWDER; ROUTE; NANOSTRUCTURES;

D O I：

10.1016/j.jallcom.2009.10.213

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：

Magnesium aluminate (MgAl2O4) spinet nanoparticles were synthesized using micro-reactors made of poly(oxyethylene) nonylphenyl ether/water/cyclohexane microemulsions. The influence of water to surfactant ratio on the resulting particle size of MgAl2O4 has been studied. The average particle size was found to increase with increase in water to surfactant molar ratio and the average particle size increases from 13 to 17 nm on increasing the molar ratio from 2 to 8. Water to surfactant ratio is a major factor in controlling the final particle size of MgAl2O4 powder. X-ray diffraction analysis of all the powders indicated the formation of single-phase spinet structure on calcination. The FTIR spectra show the lower frequency bands are assigned to AlO6 octohedra in MgAl2O4. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：L25 / L28

页数：4

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