Application of alkali metal molybdenum bronzes as Na+-ion selective sensors up to 70°C

G. Kakali; K. V. Ramanujachary; M. Greenblatt

doi:10.1016/S0925-4005(01)00848-6

Application of alkali metal molybdenum bronzes as Na⁺-ion selective sensors up to 70°C

G. Kakali, K. V. Ramanujachary, M. Greenblatt

Chemistry

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Single crystals of the alkali metal bronzes Na_0.9Mo₆O₁₇, (Li_0.5Na_0.5)_0.9Mo₆O₁₇, Li_0.9Mo₆O₁₇ and Li_0.33MoO₃ were tested as Na⁺-ion sensors. It is shown that single crystals of Na_0.9Mo₆O₁₇ fabricated into electrodes by direct solid-state contact can perform as Na⁺-selective electrodes at temperatures from ambient to 70°C. These sensors respond rapidly and linearly to changing Na⁺ concentration in the range 0.1-1 M and exhibit good stability versus time and temperature. The (Li_0.5Na_0.5)_0.9Mo₆O₁₇ crystal was insensitive to changing Na⁺ concentration while the Li_0.9Mo₆O₁₇ and Li_0.33MoO₃ showed nonlinear behavior.

Original language	English (US)
Pages (from-to)	58-62
Number of pages	5
Journal	Sensors and Actuators, B: Chemical
Volume	79
Issue number	1
DOIs	https://doi.org/10.1016/S0925-4005(01)00848-6
State	Published - Sep 25 2001

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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@article{34461478000b4fa1a1667787e96bcf5f,

title = "Application of alkali metal molybdenum bronzes as Na+-ion selective sensors up to 70°C",

abstract = "Single crystals of the alkali metal bronzes Na0.9Mo6O17, (Li0.5Na0.5)0.9Mo6O17, Li0.9Mo6O17 and Li0.33MoO3 were tested as Na+-ion sensors. It is shown that single crystals of Na0.9Mo6O17 fabricated into electrodes by direct solid-state contact can perform as Na+-selective electrodes at temperatures from ambient to 70°C. These sensors respond rapidly and linearly to changing Na+ concentration in the range 0.1-1 M and exhibit good stability versus time and temperature. The (Li0.5Na0.5)0.9Mo6O17 crystal was insensitive to changing Na+ concentration while the Li0.9Mo6O17 and Li0.33MoO3 showed nonlinear behavior.",

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AU - Kakali, G.

AU - Ramanujachary, K. V.

AU - Greenblatt, M.

PY - 2001/9/25

Y1 - 2001/9/25

N2 - Single crystals of the alkali metal bronzes Na0.9Mo6O17, (Li0.5Na0.5)0.9Mo6O17, Li0.9Mo6O17 and Li0.33MoO3 were tested as Na+-ion sensors. It is shown that single crystals of Na0.9Mo6O17 fabricated into electrodes by direct solid-state contact can perform as Na+-selective electrodes at temperatures from ambient to 70°C. These sensors respond rapidly and linearly to changing Na+ concentration in the range 0.1-1 M and exhibit good stability versus time and temperature. The (Li0.5Na0.5)0.9Mo6O17 crystal was insensitive to changing Na+ concentration while the Li0.9Mo6O17 and Li0.33MoO3 showed nonlinear behavior.

AB - Single crystals of the alkali metal bronzes Na0.9Mo6O17, (Li0.5Na0.5)0.9Mo6O17, Li0.9Mo6O17 and Li0.33MoO3 were tested as Na+-ion sensors. It is shown that single crystals of Na0.9Mo6O17 fabricated into electrodes by direct solid-state contact can perform as Na+-selective electrodes at temperatures from ambient to 70°C. These sensors respond rapidly and linearly to changing Na+ concentration in the range 0.1-1 M and exhibit good stability versus time and temperature. The (Li0.5Na0.5)0.9Mo6O17 crystal was insensitive to changing Na+ concentration while the Li0.9Mo6O17 and Li0.33MoO3 showed nonlinear behavior.

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