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A Novel Unsymmetrical Poly(1-N-Carbazolyl) Diacetylene for Non Linear Optics

Published online by Cambridge University Press:  22 February 2011

G. Garbarino ,
C. Dell'erba ,
C. Cuniberti ,
P. Piaggio ,
G.F. Musso ,
D. Comorefito ,
G. Lanzani  and
G. Dellepiane
G. Garbarino
Affiliation:
Istituto di Chimica Organica, Università di Genova, C.so Europa 26, 16132 Genova, Italy
C. Dell'erba
Affiliation:
Istituto di Chimica Organica, Università di Genova, C.so Europa 26, 16132 Genova, Italy
C. Cuniberti
Affiliation:
Istituto di Chimica Industriale, Università di Genova, C.so Europa 30, 16132 Genova, Italy
P. Piaggio
Affiliation:
Istituto di Chimica Industriale, Università di Genova, C.so Europa 30, 16132 Genova, Italy
G.F. Musso
Affiliation:
Istituto di Chimica Industriale, Università di Genova, C.so Europa 30, 16132 Genova, Italy
D. Comorefito
Affiliation:
Istituto di Chimica Industriale, Università di Genova, C.so Europa 30, 16132 Genova, Italy
G. Lanzani
Affiliation:
Istituto di Chimica Industriale, Università di Genova, C.so Europa 30, 16132 Genova, Italy
G. Dellepiane
Affiliation:
Istituto di Chimica Industriale, Università di Genova, C.so Europa 30, 16132 Genova, Italy
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Abstract

Photoinduced absorption spectra of poly(1-N-carbazolyl-penta-1,3.diyne-5-acetoxy) show absorption peaks which depend on the sample preparation and on the temperature. The low temperature spectra show two well resolved absorptions centered at ∼0.5 and ∼1.2 eV respectively. In view of other experimental results on these systems, we have interpreted our data as evidence of charged bipolarons stabilized by interchain interactions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 214: Symposium R1 – Optical and Electrical Properties of Polymers , 1990 , 149
Copyright
Copyright © Materials Research Society 1991

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References

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