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Temperature dependence of the transient photoconductive response in stretched trans-polyacetylene films with below-gap excitationThe temperature dependence of the picosecond photocurrent with below-gap excitation (1.06 microns) has been measured for a highly oriented form of transpolyacetylene. The one-dimensional picosecond photocurrent is independent of temperature. The three-dimensional picosecond photocurrent is temperature dependent with an activation energy of 63 meV. These results demonstrate the photoproduction of nonlinear charged carriers (solitons and polarons) at energies that are below the principal interband absorption edge.
Document ID
19910038051
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1063/1.347383
Authors
Walser, A. D. (City Coll. of the City Univ. of New York NY, United States)
Dorsinville, R. (City Coll. of the City Univ. of New York NY, United States)
Alfano, R. R. (City College New York, United States)
Tubino, R. (Sassari, Universita; CNR, Istituto di Chimica delle Macromolecole, Milan, Italy)
Date Acquired
August 15, 2013
Publication Date
January 15, 1991
Publication Information
Publication: Journal of Applied Physics
Volume: 69
ISSN: 0021-8979
Subject Category
Solid-State Physics
Accession Number
91A22674
Funding Number(s)
CONTRACT_GRANT: NSF RII-88-02964
Distribution Limits
Public
Copyright
Other

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