Highly photoconductive PVK/TNF sol-gel materials

Francisco del Monte; Gonzalo Ramos; Tomas Belenguer; David Levy

doi:10.1117/12.504987

8 December 2003 Highly photoconductive PVK/TNF sol-gel materials

Francisco del Monte, Gonzalo Ramos, Tomas Belenguer, David Levy

Proceedings Volume 5216, Organic Holographic Materials and Applications; (2003) https://doi.org/10.1117/12.504987
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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.

Citation Download Citation

Francisco del Monte, Gonzalo Ramos, Tomas Belenguer, and David Levy "Highly photoconductive PVK/TNF sol-gel materials", Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); https://doi.org/10.1117/12.504987

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