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Development of chemically sensitive field-effect transistor arrays and selective materials.

机译：化学敏感的场效应晶体管阵列和选择性材料的开发。

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摘要

The purpose of this work was to fabricate an integrated chemical sensor array based on the field-effect transistor. The work was motivated by the need to develop a sensing platform that could be used to monitor the work function and impedance changes of a wide variety of chemically active materials. The work proceeded in two major stages. First, an array of eight field-effect transistors was microfabricated with standard silicon technology. The transistor sensor array had the advantages of small size, low power consumption, and simple integration with other silicon electronics. Second, active materials were developed which had a tunable initial work function. All the active materials were based on the semiconducting polymer, polyaniline. Material formulations included polyaniline blended with calixarenes, photoacid generators, and charge-transfer salts. The physical properties of the materials were characterized with electrochemical, spectroscopic, and work function measurements.
机译：这项工作的目的是制造基于场效应晶体管的集成化学传感器阵列。这项工作的动机是需要开发一种传感平台，该传感平台可用于监测多种化学活性材料的功函数和阻抗变化。工作分两个主要阶段进行。首先，采用标准硅技术对八个场效应晶体管阵列进行微制造。晶体管传感器阵列具有体积小，功耗低以及与其他硅电子器件简单集成的优点。其次，开发了具有可调初始功功能的活性材料。所有活性物质均基于半导体聚合物聚苯胺。材料配方包括与杯芳烃共混的聚苯胺，光致产酸剂和电荷转移盐。通过电化学，光谱和功函数测量来表征材料的物理性质。

著录项

  • 作者

    Polk, Brian Joseph.;

  • 作者单位

    Georgia Institute of Technology.;

  • 授予单位 Georgia Institute of Technology.;
  • 学科 Chemistry Analytical.
  • 学位 Ph.D.
  • 年度 2002
  • 页码 208 p.
  • 总页数 208
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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