Synthesis of an amphiphilic metalloporphyrin and a novel gas sensor fabricated with Langmuir-Blodgett films

被引:19
作者
Liu, YQ
Liang, Q
Xu, Y
Chen, FS
Zhu, DB
机构
[1] UNIV ELECTR SCI & TECHNOL CHINA,CHENGDU 610054,PEOPLES R CHINA
[2] CHENGDU INST TECHNOL,CHENGDU 610059,PEOPLES R CHINA
关键词
thin films; chemical synthesis; optical properties;
D O I
10.1016/0038-1098(96)00230-X
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
An amphiphilic metalloporphyrin, cobalt (II) 5,10,15-tri(p-octadecyloxyphenyl)-20-(p-hydroxyphenyl)porphyrin (CoPPC18) was synthesized and characterized. The molecules of CoPPC18 alone form moderate stable monolayer at the air-water interface and a clear phase transition was observed in the surface pressure-area isotherm. An optical Mach-Zhender Interferometer was prepared as a novel sensor element incorporating with Langmuir-Blodgett films. The preliminary result indicates that the sensor is sensitive and reversible on exposure to NO2 gas at room temperature. Copyright (C) 1996 Published by Elsevier Science Ltd
引用
收藏
页码:167 / 171
页数:5
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