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Proceedings Paper

Highly photoconductive PVK/TNF sol-gel materials
Author(s): Francisco del Monte; Gonzalo Ramos; Tomas Belenguer; David Levy
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Paper Abstract

A photoconductive sol-gel material based on the incorporation of polyvinyl carbazole (PVK) and 2,4,7-trinitro-9-fluorenone (TNF) within a silica matrix is reported. Unmatched photosensitive as large as 10-10 cm/ΩW has been found at moderate applied electric fields (20 V/μm). The optimization of the concentration balance between the functional component (the TNF/PVK molar ratio percent) has resulted in a 300-fold increase of the photocurrent efficiency (Φ). The study of photcoductivity of sol-gel materials prepared with different PVK contents has confirmed the unneeded use of massive photoconductive materials to obtain optimum performance.

Paper Details

Date Published: 8 December 2003
PDF: 8 pages
Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); doi: 10.1117/12.504987
Show Author Affiliations
Francisco del Monte, Instituto de Ciencia de Materiales de Madrid/CSIC (Spain)
Gonzalo Ramos, Instituto de Ciencia de Materiales de Madrid/CSIC (Spain)
Instituto Nacional de Tecnica Aeroespacial (Spain)
Tomas Belenguer, Instituto Nacional de Tecnica Aeroespacial (Spain)
David Levy, Instituto de Ciencia de Materiales de Madrid/CSIC (Spain)
Instituto Nacional de Tecnica Aeroespacial (Spain)


Published in SPIE Proceedings Vol. 5216:
Organic Holographic Materials and Applications
Klaus Meerholz, Editor(s)

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