P2.4.4 Green Light Effect on CuO Nanowire Thin Film Sensing at Room Temperature

Event

14th International Meeting on Chemical Sensors - IMCS 2012
2012-05-20 - 2012-05-23
Nürnberg/Nuremberg, Germany

Chapter

P2.4 Nanostructured Sensors

Author(s)

K. Pierpauli, J. Collet Lacoste, S. Ortiz, P. Perillo, D. Rodriguez - Comisión Nacional de Energía Atómica (Argentina), J. Bonaparte, A. Leyva, A. Lamagna, J. Lell - Universidad Nacional de San Martin, Escuela de Ciencia y Tecnología. (Argentina), C. Rinaldi - Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina)

Pages

1507 - 1509

DOI

10.5162/IMCS2012/P2.4.4

ISBN

978-3-9813484-2-2

Price

free

Abstract

This paper presents the fabrication and characterization of a sensor based on a nanostructured CuO thin film on a silicon substrate. We evaluated the sensitivity and selectivity of the sensor to ethyl or isopropyl alcohol at room temperature in the absence and presence of green light. Measurements of sensor responses on both light conditions show repetitive changes in selectivity, presumably based on sustancial changes in chemical interactions of analyte with excited nano-structured CuO thin film.