Interaction of organic compounds with siuca matrix prepared by a sol-gel process for nlo applications

Mie Won Jung, Yong-Gun Shul, Jeong Ho Mun, Tatsuo Wada

Research output: Contribution to journalArticle

Abstract

In this work, MNA (2-methyl-4-nitroaniline) and substituted carbazoles were incorporated into silica matrix to form composite thin films on the glass substrate by a sol-gel process for NLO applications. In the composite thin films, the thermal stability was dependent on the type of functional groups incorporated into the organic compounds. DR 1 (disperse red 1) and carbazole-2 (5-nitro-9-hydroxyethyl-cabazole) which has a terminal -OH group showed enhanced thermal stability, whereas carbazole-1 (5-nitro-9-ethyl-carbazole) and MNA, which don't have a reactive functional group, showed rapid degradation upon thermal treatment. This strongthly suggests that the thermal stability of incorporated organic compounds can be enhanced by a reactive terminal group in organic compounds without severely damaging NLO properly.

Original languageEnglish
Pages (from-to)111-120
Number of pages10
JournalMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
Volume247
Issue number1
DOIs
Publication statusPublished - 1994 Jun 1

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carbazoles
sol-gel processes
organic compounds
Organic compounds
Sol-gel process
Thermodynamic stability
Composite films
Functional groups
thermal stability
Carbazoles
matrices
Thin films
interactions
Silicon Dioxide
composite materials
thermal degradation
thin films
Heat treatment
Silica
Degradation

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

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abstract = "In this work, MNA (2-methyl-4-nitroaniline) and substituted carbazoles were incorporated into silica matrix to form composite thin films on the glass substrate by a sol-gel process for NLO applications. In the composite thin films, the thermal stability was dependent on the type of functional groups incorporated into the organic compounds. DR 1 (disperse red 1) and carbazole-2 (5-nitro-9-hydroxyethyl-cabazole) which has a terminal -OH group showed enhanced thermal stability, whereas carbazole-1 (5-nitro-9-ethyl-carbazole) and MNA, which don't have a reactive functional group, showed rapid degradation upon thermal treatment. This strongthly suggests that the thermal stability of incorporated organic compounds can be enhanced by a reactive terminal group in organic compounds without severely damaging NLO properly.",
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