Polyphosphazenes with high refractive indices

Optical dispersion and molar refractivity

Michael Olshavsky, Harry R. Allcock

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

The optical properties of a series of high refractive index polyphosphazenes were investigated. The wavelength-dependent change in refractive index (optical dispersion) associated with two selected polymers was examined using variable-angle spectroscopic ellipsometry. Values of the Abbé number for these polymers were calculated. These systems have a VD = 20-25, which compares closely with other organic polymers with similar refractive indices. Calculation of the molar refractivity (Rm) associated with the [N=P] repeat unit structure yielded a value of Rm[N=P] = 14.36 cm3/mol This value is compared with other polymer repeat unit structures. The comparison indicates that the [N=P] repeat unit has a linear polarizability close to that found in conjugated [C=C] bonds.

Original languageEnglish (US)
Pages (from-to)4179-4183
Number of pages5
JournalMacromolecules
Volume30
Issue number14
DOIs
StatePublished - Jul 14 1997

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Refractive index
Polymers
Organic polymers
Spectroscopic ellipsometry
Optical properties
Wavelength

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

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abstract = "The optical properties of a series of high refractive index polyphosphazenes were investigated. The wavelength-dependent change in refractive index (optical dispersion) associated with two selected polymers was examined using variable-angle spectroscopic ellipsometry. Values of the Abb{\'e} number for these polymers were calculated. These systems have a VD = 20-25, which compares closely with other organic polymers with similar refractive indices. Calculation of the molar refractivity (Rm) associated with the [N=P] repeat unit structure yielded a value of Rm[N=P] = 14.36 cm3/mol This value is compared with other polymer repeat unit structures. The comparison indicates that the [N=P] repeat unit has a linear polarizability close to that found in conjugated [C=C] bonds.",
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Polyphosphazenes with high refractive indices : Optical dispersion and molar refractivity. / Olshavsky, Michael; Allcock, Harry R.

In: Macromolecules, Vol. 30, No. 14, 14.07.1997, p. 4179-4183.

Research output: Contribution to journalArticle

TY - JOUR

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T2 - Optical dispersion and molar refractivity

AU - Olshavsky, Michael

AU - Allcock, Harry R.

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AB - The optical properties of a series of high refractive index polyphosphazenes were investigated. The wavelength-dependent change in refractive index (optical dispersion) associated with two selected polymers was examined using variable-angle spectroscopic ellipsometry. Values of the Abbé number for these polymers were calculated. These systems have a VD = 20-25, which compares closely with other organic polymers with similar refractive indices. Calculation of the molar refractivity (Rm) associated with the [N=P] repeat unit structure yielded a value of Rm[N=P] = 14.36 cm3/mol This value is compared with other polymer repeat unit structures. The comparison indicates that the [N=P] repeat unit has a linear polarizability close to that found in conjugated [C=C] bonds.

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