Vapor sensing properties of carbon nanotubes onto cadmium arachidate multilayer investigated by optical-fiber-based reflectometer sensor and acoustic sensors

A. Cusano; Antonello Cutolo; M. Penza; G. Cassano; P. Aversa; F. Antolini; Michele Giordano

doi:10.1117/12.566625

9 June 2004 Vapor sensing properties of carbon nanotubes onto cadmium arachidate multilayer investigated by optical-fiber-based reflectometer sensor and acoustic sensors

A. Cusano, Antonello Cutolo, M. Penza, G. Cassano, P. Aversa, F. Antolini, Michele Giordano

Author Affiliations +

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566625
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

We have investigated the sensing properties of the carbon nanotubes deposited onto a cadmium arachidate buffered multilayer by acoustic sensors -- SAW and QCM -- and a reflectometric sensor system based on optical fiber for purposes of chemical detection of volatile organic compound (VOCs), at room temperature. The carbon nanotubes have been deposited by the molecular engineering Langmuir-Blodgett (L-B) technique onto a buffer multilayer of cadmium arachidate prepared monolayer-by-monolayer using the L-B technique as well. The sensing multilayered material has been prepared both onto a standard silica optical fiber configured in a reflectometer sensor system and onto acoustic sensors -- SAW and QCM -- configured as oscillators. The acoustic sensors and the optical sensor have been exposed simultaneously, in the same test chamber, towards different VOCs such as ethanol, methanol, iso-propanol, acetone, ethylacetate, toluene with different vapor pressures for comparing the sensitivity of the coating onto the different kinds of acoustic and optical transducers. Moreover, for the same type of transducer, acoustic or optical, the effect of carbon nanotubes onto the gas sensitivity is remarkably higher in all investigated cases.

Citation Download Citation

A. Cusano, Antonello Cutolo, M. Penza, G. Cassano, P. Aversa, F. Antolini, and Michele Giordano "Vapor sensing properties of carbon nanotubes onto cadmium arachidate multilayer investigated by optical-fiber-based reflectometer sensor and acoustic sensors", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566625

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available