Gas sensitivity of composite Langmuir-Blodgett films of Fe2O3 nanoparticle-copper phthalocyanine

被引：25

作者：

Huo, LH

Li, XL

Li, W

Xi, SQ ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China

[2] Heilongjiang Univ, Coll Chem & Chem Engn, Harbin 150080, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2000年 / 71卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

ferric oxide; nanoparticulate LB film; copper phthalocyanine derivative; gas sensitivity;

D O I：

10.1016/S0925-4005(00)00605-5

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The Langmuir-Blodgett (LB) composite films, ferric oxide nanoparticle composite with tris-(2,3-di-t-amylphenoxy)-(8-quinolinolinolyl) copper phthalocyanine (CuPcA(2)), were obtained by capped type and alternated type and characterized by X-ray photoelectron spectroscopy (XPS) and visible spectra. The gas sensitivity of the composite films and the pure ferric oxide and pure CuPcA(2) LB films to ammonia and ethanol were measured at room temperature. The composite films could be used as the C2H5OH sensors in the range of 2-8 or 100-200 ppm. The XPS data suggested that the adduct complex NH3-CuPcA(2) was formed after the capped film was exposed to the detected gas of ammonia. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：77 / 81

页数：5

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