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Issue 4, 2002
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Efficient fully functionalized photorefractive polymethacrylates with infrared sensitivity and different spacer lengths

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Abstract

A series of photorefractive polymethacrylates, containing a Disperse Red type chromophore and carbazole as charge transport agent with various spacer lengths, was synthesized and characterized. The photorefractive effect of these materials was studied by four-wave mixing and two beam-coupling at 780 nm after sensitization with 1 wt% TNFM. We have found a gain coefficient of Γ = 140 cm−1 at an applied electric field of 60 V µm−1 and complete internal diffraction at an applied electric field of 52 V µm−1. For fully functionalized photorefractive polymers, these values rank among the highest reported up to date.

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Publication details

The article was received on 16 Mar 2001, accepted on 02 Jan 2002 and first published on 15 Feb 2002


Article type: Paper
DOI: 10.1039/B102489M
Citation: J. Mater. Chem., 2002,12, 951-957
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    Efficient fully functionalized photorefractive polymethacrylates with infrared sensitivity and different spacer lengths

    C. Engels, D. Van Steenwinckel, E. Hendrickx, M. Schaerlaekens, A. Persoons and C. Samyn, J. Mater. Chem., 2002, 12, 951
    DOI: 10.1039/B102489M

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