用于环境传感应用的超灵敏聚合物传感器平台

P. Ray, H. N. Raval, V. Rao
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引用次数: 0

摘要

在这篇文章中,新的技术平台讨论了在环境、安全和医疗传感领域使用聚合物器件的可能应用。讨论了基于碳纳米复合材料的微悬臂梁和薄膜晶体管嵌入式微悬臂梁在力传感中的应用。电离辐射暴露改变了有机半导体的材料特性,使有机薄膜晶体管(OTFTs)成为电离辐射剂量计成为可能。紫外光电子能谱法观察到,在γ射线电离辐射下,酞菁铜(II)薄膜的功函数增加。此外,利用热线CVD沉积氮化硅封装层,证明了CuPc基OTFTs是电离辐射剂量计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ultra-sensitive polymeric sensor platforms for environmental sensing applications
In this article, novel technology-platforms are discussed for possible applications in the field of environmental, security and healthcare sensing using polymeric devices. Carbon nanocomposite based microcantilevers and thin-film transistor embedded microcantilevers are discussed for force sensing applications. It is also demonstrated that exposure of ionizing radiation changes the material properties of organic semiconductors which enables the use of organic thin-film transistors (OTFTs) as ionizing radiation dosimeters. An increase in the work-function has been observed by ultraviolet photoelectron spectroscopy for the copper(II) phthalocyanine (CuPc) thin-film upon exposure to ionizing radiation of γ-rays. Furthermore, CuPc based OTFTs are demonstrated as ionizing radiation dosimeters with a silicon nitride encapsulation layer deposited by Hot-wire CVD.
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