A new propylamine sensor using artificial dimorphite
Tsiulyanu, D.
Marian, S.
Guba, M.
Potje-Kamloth, K.
Liess, H.-D.
Dept. of Phys., Tech. Univ., Chishinau;
This paper appears in: Semiconductor Conference, 1998. CAS '98 Proceedings. 1998 International
Publication Date: 6-10 Oct 1998
Volume: 1,
On page(s): 75-78 vol.1
Meeting Date: 10/06/1998 - 10/10/1998
Location: Sinaia, Romania
ISBN: 0-7803-4432-4
References Cited: 5
INSPEC Accession Number: 6269746
Digital Object Identifier: 10.1109/SMICND.1998.732282
Current Version Published: 2002-08-06
Abstract
The sandwich metal-dimorphite(As4S3)-metal
structure is used as a sensor for detection of propylamine
(PrNH2) vapor. The gas induced shifts of the
current-voltage characteristics as well as transient characteristics of
gas-induced current are studied with respect of morphology of dimorphite
films. Propylamine vapor lead to increasing of current i.e. has a doping
effect. Sensitivity dependence on applied voltage and on gas
concentration is found. Results are discussed in themes of gas
controlled trapping of carriers injected from electrodes which influence
the space charge limited current (SCLC)
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