Synthesis of macro-mesoporous alumina with yeast cell as bio-template

被引：24

作者：

Ma, Yuan ^{[1
]}

Wei, Qinglian ^{[1
]}

Ling, Ruowen ^{[1
]}

An, Fengkai ^{[1
]}

Mu, Guangyu ^{[1
]}

Huang, Yongmin ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Dept Chem, Key Lab Specially Funct Polymer Mat & Related Tec, Minist Educ, Shanghai 200237, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2013年 / 165卷

基金：

中国国家自然科学基金;

关键词：

Alumina; Macro-mesoporous; Yeast cell; SURFACTANT-ASSISTED SYNTHESIS; GAMMA-ALUMINA; BIOMIMETIC SYNTHESIS; MOLECULAR-SIEVES; FACILE SYNTHESIS; GAMMA-AL2O3; POROSITY; SILICA; ROUTE; SOL;

D O I：

10.1016/j.micromeso.2012.08.016

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Macro-mesoporous alumina materials were synthesized by using yeast cell as bio-template and triethanolamine (TEA) as precipitator. The synthesized samples were characterized by various means such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), N-2 adsorption method and X-ray diffraction (XRD). The effect of both the mass ratio of yeast/Al(NO3)(3)center dot 9H(2)O and the synthesized temperature on the properties of samples was investigated in detail. The SEM and TEM results showed that the synthesized alumina possessed macroporous structure with sizes of 1.5-3 mu m, where the interconnected wormlike mesopores with sizes of 3-4.5 nm were within the walls of the macroporous cages. XRD patterns and BET results revealed that the synthesized alumina had a higher formation temperature of gamma-Al2O3 crystal phase, as well as better thermal stability. (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：177 / 184

页数：8

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