Ionic conductivity of new ambient temperature alkali metal glasses AlCl3/NaN(CN)2

Yi Chia Lee, Larry A. Curtiss, Mark A Ratner, Duward F. Shriver

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Ambient temperature alkali glassy salt mixtures, x[AlCl3]/(1 - x)[NaN(CN)2] (x = 0.4 - 0.75), were prepared. A large increase in the C≡N stretching frequencies for these materials indicate complex formation between the anion [N(CN)2]- and AlCl3 molecule. Ab initio calculations confirm the assignments of the vibrational frequencies. The 1:1 adduct has a glass transition at 27 °C, and the glassy state persists for 4 weeks at room temperature. The room temperature ionic conductivity of this glass is 6.6 x 10-6 S/cm, and it increases as the AlCl3 content increases. The temperature dependence of the conductivity follows the Vogel-Tamman-Fulcher equation, suggesting that ion transport is coupled to local motion in the glassy salt mixture system.

Original languageEnglish
Pages (from-to)1634-1637
Number of pages4
JournalChemistry of Materials
Volume12
Issue number6
DOIs
Publication statusPublished - Jun 2000

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Alkali Metals
Alkali metals
Ionic conductivity
Glass
Salts
Temperature
Alkalies
Vibrational spectra
Stretching
Anions
Glass transition
Negative ions
Ions
Molecules
aluminum chloride

ASJC Scopus subject areas

  • Materials Science(all)
  • Materials Chemistry

Cite this

Ionic conductivity of new ambient temperature alkali metal glasses AlCl3/NaN(CN)2. / Lee, Yi Chia; Curtiss, Larry A.; Ratner, Mark A; Shriver, Duward F.

In: Chemistry of Materials, Vol. 12, No. 6, 06.2000, p. 1634-1637.

Research output: Contribution to journalArticle

Lee, Yi Chia ; Curtiss, Larry A. ; Ratner, Mark A ; Shriver, Duward F. / Ionic conductivity of new ambient temperature alkali metal glasses AlCl3/NaN(CN)2. In: Chemistry of Materials. 2000 ; Vol. 12, No. 6. pp. 1634-1637.
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