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Title: Ionic conductivity of new ambient temperature alkali metal glasses A1C1{sub 3}/NaN(CN){sub 2}.

Abstract

Ambient temperature alkali glassy salt mixtures, x[AlCl{sub 3}]/(1 - x)[NaN(CN){sub 2}] (x = 0.4-0.75), were prepared. A large increase in the C{triple_bond}N stretching frequencies for these materials indicate complex formation between the anion [N(CN){sub 2}]{sup -} and AlCl{sub 3} molecule. Ab initio calculations confirm the assignments of the vibrational frequencies. The 1:1 adduct has a glass transition at 27 {sup o}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{sup -6} S/cm, and it increases as the AlCl{sub 3} 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.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC); USDOD
OSTI Identifier:
942775
Report Number(s):
ANL/CHM/JA-34524
Journal ID: ISSN 0897-4756; CMATEX; TRN: US200922%%668
DOE Contract Number:  
DE-AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Chem. Mater.
Additional Journal Information:
Journal Volume: 12; Journal Issue: 6 ; Jun. 2000; Journal ID: ISSN 0897-4756
Country of Publication:
United States
Language:
ENGLISH
Subject:
36 MATERIALS SCIENCE; ADDUCTS; ALKALI METALS; AMBIENT TEMPERATURE; ANIONS; GLASS; IONIC CONDUCTIVITY; IONS; MATERIALS; MIXTURES; MOTION; SALTS; TEMPERATURE DEPENDENCE

Citation Formats

Lee, Y.-C., Curtiss, L. A., Ratner, M. A., Shriver, D. F., and Northwestern Univ. Ionic conductivity of new ambient temperature alkali metal glasses A1C1{sub 3}/NaN(CN){sub 2}.. United States: N. p., 2000. Web. doi:10.1021/cm990633g.
Lee, Y.-C., Curtiss, L. A., Ratner, M. A., Shriver, D. F., & Northwestern Univ. Ionic conductivity of new ambient temperature alkali metal glasses A1C1{sub 3}/NaN(CN){sub 2}.. United States. doi:10.1021/cm990633g.
Lee, Y.-C., Curtiss, L. A., Ratner, M. A., Shriver, D. F., and Northwestern Univ. Thu . "Ionic conductivity of new ambient temperature alkali metal glasses A1C1{sub 3}/NaN(CN){sub 2}.". United States. doi:10.1021/cm990633g.
@article{osti_942775,
title = {Ionic conductivity of new ambient temperature alkali metal glasses A1C1{sub 3}/NaN(CN){sub 2}.},
author = {Lee, Y.-C. and Curtiss, L. A. and Ratner, M. A. and Shriver, D. F. and Northwestern Univ.},
abstractNote = {Ambient temperature alkali glassy salt mixtures, x[AlCl{sub 3}]/(1 - x)[NaN(CN){sub 2}] (x = 0.4-0.75), were prepared. A large increase in the C{triple_bond}N stretching frequencies for these materials indicate complex formation between the anion [N(CN){sub 2}]{sup -} and AlCl{sub 3} molecule. Ab initio calculations confirm the assignments of the vibrational frequencies. The 1:1 adduct has a glass transition at 27 {sup o}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{sup -6} S/cm, and it increases as the AlCl{sub 3} 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.},
doi = {10.1021/cm990633g},
journal = {Chem. Mater.},
issn = {0897-4756},
number = 6 ; Jun. 2000,
volume = 12,
place = {United States},
year = {2000},
month = {6}
}