Space-Charge Conduction in a Copper Phthalocyanine Static Induction Transistor

Shigekazu KUNIYOSHI  Masaaki IIZUKA  Kazuhiro KUDO  Kuniaki TANAKA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E83-C   No.7   pp.1111-1113
Publication Date: 2000/07/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Issue on Organic Molecular Electronics for the 21st Century)
Category: Thin Film
Keyword: 
organic static induction transistor,  space-charge-limited conduction,  copper phthalocyanine,  

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Summary: 
We have fabricated a static induction transistor structure by using copper phthalocyanine (CuPc) films. Its layer-structure is Au(drain)/CuPc/Al(gate)/CuPc/Au(source)/glass. The source-drain current is controlled by the Al gate bias-voltage when the drain voltage is positive but is almost independent of it when the drain voltage is negative. The current-voltage characteristics are governed by the space-charge-limited conduction which depends on shallow traps.