Effect of organic modifiers on the thermo-optic characteristics of inorganic-organic hybrid material films

Eun Seok Kang, Jang-Ung Park, Byeong Soo Bae

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The thermo-optic coefficient (dn/dT) of inorganic-organic hybrid material films prepared by the sol-gel process of organoalkysilanes is measured using a prism coupler equipped with a hot stage. The effect of the organic modifier on the variation of dn/dT in inorganic-organic hybrid material films has been investigated. The value of dn/dT becomes more negative with increasing molecular weight of the organic modifier or with an increase in the proportion of modifier in the sample. On the other hand, dn/dT increases with an increase in the degree of organic photopolymerization. From these results, it can be seen that the value of dn/dT in these films can be varied between -0.83 × 10-4/°C to -2.43 × 10-4/°C by changing the organic modifier concentration and type.

Original languageEnglish
Pages (from-to)1889-1894
Number of pages6
JournalJournal of Materials Research
Volume18
Issue number8
DOIs
Publication statusPublished - 2003 Jan 1

Fingerprint

Hybrid materials
Optics
optics
Photopolymerization
sol-gel processes
Prisms
Sol-gel process
couplers
prisms
molecular weight
proportion
Molecular weight
coefficients

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "The thermo-optic coefficient (dn/dT) of inorganic-organic hybrid material films prepared by the sol-gel process of organoalkysilanes is measured using a prism coupler equipped with a hot stage. The effect of the organic modifier on the variation of dn/dT in inorganic-organic hybrid material films has been investigated. The value of dn/dT becomes more negative with increasing molecular weight of the organic modifier or with an increase in the proportion of modifier in the sample. On the other hand, dn/dT increases with an increase in the degree of organic photopolymerization. From these results, it can be seen that the value of dn/dT in these films can be varied between -0.83 × 10-4/°C to -2.43 × 10-4/°C by changing the organic modifier concentration and type.",
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Effect of organic modifiers on the thermo-optic characteristics of inorganic-organic hybrid material films. / Kang, Eun Seok; Park, Jang-Ung; Bae, Byeong Soo.

In: Journal of Materials Research, Vol. 18, No. 8, 01.01.2003, p. 1889-1894.

Research output: Contribution to journalArticle

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