Organic oscillator and adaptive amplifier circuits for chemical vapor sensing

被引：184

作者：

Crone, BK ^{[1
]}

Dodabalapur, A ^{[1
]}

Sarpeshkar, R ^{[1
]}

Gelperin, A ^{[1
]}

Katz, HE ^{[1
]}

Bao, Z ^{[1
]}

机构：

[1] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2002年 / 91卷 / 12期

关键词：

D O I：

10.1063/1.1476084

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Organic transistor based circuits that can be employed for chemical vapor sensing, are described. Such circuits have improved sensing characteristics in comparison with discrete transistor based sensors. Complementary ring oscillator based sensors have a stronger response to analytes such as octanol and allyl propionate compared to a single transistor. A fabrication process that combines organic semiconductor circuitry with Si is described. The design and advantages of adaptive differential amplifiers with high gain and feedback are described. Voltage gains of similar to20 allow the detection of weak odorant inputs and the adaptive feedback allows for improved background elimination. (C) 2002 American Institute of Physics.

引用

页码：10140 / 10146

页数：7

共 29 条

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