Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/6633
Título: Detection of explosive vapors using organic thin-film transistors
Autor: Bentes, E.
Gomes, Henrique L.
Stallinga, Peter
Moura, L.
Data: 2004
Editora: IEEE
Resumo: Field effect transistors (FETs) based on organic materials were investigated as sensors for detecting 2,4,6-trinitrotoluene (TNT) vapors. Several FET devices were fabricated using two types of semiconducting organic materials, solution processed polymers deposited by spin coating and, oligomers (or small molecules) deposited by vacuum sublimation. When vapors of nitroaromatic compounds bind to thin films of organic materials which form the transistor channel, the conductivity of the thin film increases and changes the transistor electrical characteristic. The use of the amplifying properties of the transistor represents a major advantage over conventional techniques based on simple changes of resistance in polymers frequently used in electronic noses.
Peer review: yes
URI: http://hdl.handle.net/10400.1/6633
DOI: https://dx.doi.org/10.1109/ICSENS.2004.1426281
ISBN: 0-7803-8692-2
ISSN: 1930-0395
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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