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Novel Chemical Sensor Concept for Neutral Radical Detection in Gas Phase

Published online by Cambridge University Press:  15 February 2011

Vladislav V. Styrov ,
Alex Y. Kabansky ,
Victor P. Grankin ,
Stanislav Kh. Shigalugov  and
Yuri I. Tyurin
Vladislav V. Styrov
Affiliation:
Physics Department, Azov Sea State Technical University, Mariupol 87500, UKRAINE
Alex Y. Kabansky
Affiliation:
R&D Department, Cypress Semiconductor, San Jose, CA 95134, U.S.A
Victor P. Grankin
Affiliation:
Physics Department, Azov Sea State Technical University, Mariupol 87500, UKRAINE
Stanislav Kh. Shigalugov
Affiliation:
Physics Department, Noril'sk Industrial Institute, Noril'sk 663310, Russian Federation
Yuri I. Tyurin
Affiliation:
Physics Department, Tomsk Polytechnic University, Tomsk 634050, RUSSIAN FEDERATION
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Abstract

A novel concept of solid-state chemical sensors for neutral radical detection in gas-phase and related technique are proposed based on chemiluminescence of sensing materials excited by heterogeneous chemical reactions of radicals on sensor surface. The radical species of interest include H, O, N, O2, CO, SO, NO and others. Surface activated phosphors, nano-phosphors and semiconductor films are good candidates for sensors. The advantages of these sensors are the enhanced sensitivity (~105at/cm-3or better), real-time response, reliability, proximate analysis, ability to be fabricated in combination with up-to-date nanotechnologies.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 876: Symposium A – Nanoporous and Nanostructured Materials for Catalysis, Sensor and Gas Separation Applications , 2005 , R8.64
Copyright
Copyright © Materials Research Society 2005

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References

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