A novel magnetic-catalytic CMOS MEMS compatible gas sensor with ultra low power consumption

Chih Jen Cheng; Chih Hsiung Shen; Shu Jung Chen

doi:10.1109/ICSENS.2012.6411302

A novel magnetic-catalytic CMOS MEMS compatible gas sensor with ultra low power consumption

Chih Jen Cheng, Chih Hsiung Shen, Shu Jung Chen

Department of Mechatronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

Beyond the conventional chemical sensors with heating power, we proposed a total new magnetic-catalytic sensing mechanism without heating which includes the original sensing material and also magnetic-catalytic with even higher sensitivity than before. A magnetic material in sol-gel method and a prepared solution of sol-gel SnO₂ is mixed at SnO₂ : Fe ₃O₄ = 3 : 1. The samples with several pH conditions were under test and verified inside a CO gas chamber with solenoidal coils. The sensitivity of proposed monoxide sensor reaches 0.3416%/ppm under 18.2 Gauss without heating which shows applicable for an ultra low power CO sensor with high sensitivity.

Original language	English
Title of host publication	IEEE SENSORS 2012 - Proceedings
DOIs	https://doi.org/10.1109/ICSENS.2012.6411302
Publication status	Published - 2012
Event	11th IEEE SENSORS 2012 Conference - Taipei, Taiwan Duration: 2012 Oct 28 → 2012 Oct 31

Publication series

Name	Proceedings of IEEE Sensors

Other

Other	11th IEEE SENSORS 2012 Conference
Country	Taiwan
City	Taipei
Period	12-10-28 → 12-10-31

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/ICSENS.2012.6411302

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title = "A novel magnetic-catalytic CMOS MEMS compatible gas sensor with ultra low power consumption",

abstract = "Beyond the conventional chemical sensors with heating power, we proposed a total new magnetic-catalytic sensing mechanism without heating which includes the original sensing material and also magnetic-catalytic with even higher sensitivity than before. A magnetic material in sol-gel method and a prepared solution of sol-gel SnO2 is mixed at SnO2 : Fe 3O4 = 3 : 1. The samples with several pH conditions were under test and verified inside a CO gas chamber with solenoidal coils. The sensitivity of proposed monoxide sensor reaches 0.3416%/ppm under 18.2 Gauss without heating which shows applicable for an ultra low power CO sensor with high sensitivity.",

author = "Cheng, {Chih Jen} and Shen, {Chih Hsiung} and Chen, {Shu Jung}",

year = "2012",

doi = "10.1109/ICSENS.2012.6411302",

language = "English",

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note = "11th IEEE SENSORS 2012 Conference ; Conference date: 28-10-2012 Through 31-10-2012",

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AU - Shen, Chih Hsiung

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N2 - Beyond the conventional chemical sensors with heating power, we proposed a total new magnetic-catalytic sensing mechanism without heating which includes the original sensing material and also magnetic-catalytic with even higher sensitivity than before. A magnetic material in sol-gel method and a prepared solution of sol-gel SnO2 is mixed at SnO2 : Fe 3O4 = 3 : 1. The samples with several pH conditions were under test and verified inside a CO gas chamber with solenoidal coils. The sensitivity of proposed monoxide sensor reaches 0.3416%/ppm under 18.2 Gauss without heating which shows applicable for an ultra low power CO sensor with high sensitivity.

AB - Beyond the conventional chemical sensors with heating power, we proposed a total new magnetic-catalytic sensing mechanism without heating which includes the original sensing material and also magnetic-catalytic with even higher sensitivity than before. A magnetic material in sol-gel method and a prepared solution of sol-gel SnO2 is mixed at SnO2 : Fe 3O4 = 3 : 1. The samples with several pH conditions were under test and verified inside a CO gas chamber with solenoidal coils. The sensitivity of proposed monoxide sensor reaches 0.3416%/ppm under 18.2 Gauss without heating which shows applicable for an ultra low power CO sensor with high sensitivity.

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