Synthesis and characterization of highly efficient photorefractive polymer composites with long phase stability

E. Hendrickx; J. F. Wang; J. L. Maldonado; B. L. Volodin; Sandalphon; E. A. Mash; A. Persoons; B. Kippelen; N. Peyghambarian

doi:10.1021/ma9714777

Synthesis and characterization of highly efficient photorefractive polymer composites with long phase stability

E. Hendrickx, J. F. Wang, J. L. Maldonado, B. L. Volodin, Sandalphon, E. A. Mash, A. Persoons, B. Kippelen, N. Peyghambarian

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Abstract

We have synthesized the chromophores 4-[(4′-nitrophenyl)azo]-1,3-bis[(3″- or 4″-vinylbenzyl)-oxy]benzene (NPADVBB) and 4-[(4′-nitrophenyl)azo]-1,3-bis(benzyloxy)benzene (NPADB). New polymer composites based on the photoconductor poly(9-vinylcarbazole), the plasticizer 9-ethylcarbazole, NPAD-VBB, and the sensitizers 2,4,7-trinitro-9-fluorenone and (2,4,7-trinitro-9-fluorenylidene)malonitrile were prepared. Ellipsometric measurements and degenerate four-wave mixing experiments were performed at 633 and 830 nm. The composites showed excellent phase stability, and nearly complete diffraction was observed at 633 nm. The two-beam coupling gain was limited by the small phase shift between the interference pattern and the index grating.

Original language	English (US)
Pages (from-to)	734-739
Number of pages	6
Journal	Macromolecules
Volume	31
Issue number	3
DOIs	https://doi.org/10.1021/ma9714777
State	Published - Feb 10 1998

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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title = "Synthesis and characterization of highly efficient photorefractive polymer composites with long phase stability",

abstract = "We have synthesized the chromophores 4-[(4′-nitrophenyl)azo]-1,3-bis[(3″- or 4″-vinylbenzyl)-oxy]benzene (NPADVBB) and 4-[(4′-nitrophenyl)azo]-1,3-bis(benzyloxy)benzene (NPADB). New polymer composites based on the photoconductor poly(9-vinylcarbazole), the plasticizer 9-ethylcarbazole, NPAD-VBB, and the sensitizers 2,4,7-trinitro-9-fluorenone and (2,4,7-trinitro-9-fluorenylidene)malonitrile were prepared. Ellipsometric measurements and degenerate four-wave mixing experiments were performed at 633 and 830 nm. The composites showed excellent phase stability, and nearly complete diffraction was observed at 633 nm. The two-beam coupling gain was limited by the small phase shift between the interference pattern and the index grating.",

author = "E. Hendrickx and Wang, {J. F.} and Maldonado, {J. L.} and Volodin, {B. L.} and Sandalphon and Mash, {E. A.} and A. Persoons and B. Kippelen and N. Peyghambarian",

year = "1998",

month = feb,

day = "10",

doi = "10.1021/ma9714777",

language = "English (US)",

volume = "31",

pages = "734--739",

journal = "Macromolecules",

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publisher = "American Chemical Society",

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T1 - Synthesis and characterization of highly efficient photorefractive polymer composites with long phase stability

AU - Hendrickx, E.

AU - Wang, J. F.

AU - Maldonado, J. L.

AU - Volodin, B. L.

AU - Sandalphon,

AU - Mash, E. A.

AU - Persoons, A.

AU - Kippelen, B.

AU - Peyghambarian, N.

PY - 1998/2/10

Y1 - 1998/2/10

N2 - We have synthesized the chromophores 4-[(4′-nitrophenyl)azo]-1,3-bis[(3″- or 4″-vinylbenzyl)-oxy]benzene (NPADVBB) and 4-[(4′-nitrophenyl)azo]-1,3-bis(benzyloxy)benzene (NPADB). New polymer composites based on the photoconductor poly(9-vinylcarbazole), the plasticizer 9-ethylcarbazole, NPAD-VBB, and the sensitizers 2,4,7-trinitro-9-fluorenone and (2,4,7-trinitro-9-fluorenylidene)malonitrile were prepared. Ellipsometric measurements and degenerate four-wave mixing experiments were performed at 633 and 830 nm. The composites showed excellent phase stability, and nearly complete diffraction was observed at 633 nm. The two-beam coupling gain was limited by the small phase shift between the interference pattern and the index grating.

AB - We have synthesized the chromophores 4-[(4′-nitrophenyl)azo]-1,3-bis[(3″- or 4″-vinylbenzyl)-oxy]benzene (NPADVBB) and 4-[(4′-nitrophenyl)azo]-1,3-bis(benzyloxy)benzene (NPADB). New polymer composites based on the photoconductor poly(9-vinylcarbazole), the plasticizer 9-ethylcarbazole, NPAD-VBB, and the sensitizers 2,4,7-trinitro-9-fluorenone and (2,4,7-trinitro-9-fluorenylidene)malonitrile were prepared. Ellipsometric measurements and degenerate four-wave mixing experiments were performed at 633 and 830 nm. The composites showed excellent phase stability, and nearly complete diffraction was observed at 633 nm. The two-beam coupling gain was limited by the small phase shift between the interference pattern and the index grating.

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JO - Macromolecules

JF - Macromolecules

IS - 3

ER -

Synthesis and characterization of highly efficient photorefractive polymer composites with long phase stability

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