title: IR detection of NO2 using p+ porous silicon as a high sensitivity sensor.
abstract: Mesoporous silicon doped with 3.0 x 10(19) B atoms cm-3 (p(+)-type) is an insulating material which dramatically increases its electrical conductivity when exposed to traces of gaseous NO2; nitrogen dioxide chemisorption at the surface generates carriers, the population of which is readily evaluated through the intensity of IR absorption.
authors.affiliation: Dipartimento di Scienza dei Materiali e Ingegneria Chimica, Politecnico di Torino, Corso Duca degli Abruzzi 24 10129, Torino, Italy.
authors.forename: F
authors.initials: F
authors.lastname: Geobaldo
authors.forename: B
authors.initials: B
authors.lastname: Onida
authors.forename: P
authors.initials: P
authors.lastname: Rivolo
authors.forename: S
authors.initials: S
authors.lastname: Borini
authors.forename: L
authors.initials: L
authors.lastname: Boarino
authors.forename: A
authors.initials: A
authors.lastname: Rossi
authors.forename: G
authors.initials: G
authors.lastname: Amato
authors.forename: E
authors.initials: E
authors.lastname: Garrone