Reliable fabrication of preferentially b-Oriented silicalite-1 monolayers on various substrates using the Langmuir-Blodgett technique

被引：5

作者：

Li, Jian ^{[1
]}

Liu, Xiufeng ^{[1
]}

Lv, Xiaoli ^{[1
]}

Zhang, Baoquan ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, State Key Lab Chem Engn, Tianjin 300072, Peoples R China

来源：

MATERIALS LETTERS | 2014年 / 124卷

基金：

中国国家自然科学基金;

关键词：

Silicalite-1; Deposition; Langmuir - Blodgett films; THIN-FILMS; ZEOLITE FILMS; ORIENTATION;

D O I：

10.1016/j.matlet.2014.03.077

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Langmuir-Blodgett (L-B) technique was used to fabricate silicalite-1 monolayers on porous alpha-Al2O3 disk, glass plate, glass capillary tube and copper wire. Experimental investigations indicated that the proper transfer surface pressure was about 50 mN m(-1) for 1.6 mu m-sized silicalite-1 crystals, while sec-butanol helped by the surfactant cetyltrimethylammonium bromide is an appropriate dispersion medium compared with methanol, iso-propanol and n-butanol. The highly b-oriented silicalite-1 monolayer could be manufactured on flat and curved surfaces with satisfactory DOC and DCP using the L-B technique. This simple and reliable method should be of great interest for developing novel zeolite films and membranes. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：299 / 301

页数：3

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