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
收藏
页码：299 / 301
页数：3
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