Humidity adsorption kinetics of water soluble calix[4]arene derivatives measured using QCM technique

被引：32

作者：

Okur, Salih ^{[1
]}

Kus, Mahmut ^{[2
]}

Ozel, Faruk ^{[2
]}

Yilmaz, Mustafa ^{[3
]}

机构：

[1] Izmir Inst Technol, Fac Sci, Dept Phys, Izmir, Turkey

[2] Selcuk Univ, Dept Chem Engn, Selcuklu, Konya, Turkey

[3] Selcuk Univ, Dept Chem, Selcuklu, Konya, Turkey

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2010年 / 145卷 / 01期

关键词：

Carboxylated calix[4]arene film; Humidity sensor; QCM; Langmuir model; SENSORS;

D O I：

10.1016/j.snb.2009.11.040

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We report on the optimization and characterization of water soluble calix[4]arene derivative as a humidity sensor based on quartz crystal microbalance technique. The moisture adsorption and desorption kinetics of calix[4]arene were investigated. The Langmuir model was used to determine the kinetic parameters such as adsorption. desorption rates and Gibbs free energy between relative humidity between 29% and 78%. Reproducible experimental results were obtained showing that water soluble calix[4]arene films have a great potential for humidity sensing applications at room temperature operations. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：93 / 97

页数：5

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