Lithium ion sensor
First Claim
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1. A lithium ion sensor comprising:
- a FET;
a redox layer having a redox function covering a gate isolating membrane of said FET wherein said redox layer is obtained by electrolytically polymerizing a p-p'"'"'biphenol; and
a lithium ion-sensitive layer for selectively sensing lithium ion covering said redox layer, said lithium ion-sensitive layer being a polyvinyl chloride layer containing dibenzyl-14-crown-4, a derivative of dibenzyl-14-crown-4 or a mixture thereof, dioxaheptyl-dodecyl-14-crown-4, a derivative of dioxaheptyl-dodecyl-14-crown-4 or a mixture thereof, or diethoxyphosphorioxyethyl-dodecyl-14-crown-4, a derivative of diethoxyphosphorioxyethyl-dodecyl-14-crown-4 or a mixture thereof.
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Abstract
A lithium ion sensor includes a FET, a redox layer having a redox function covering a gate isolating membrance of the FET, and a lithium ion-sensitive layer selectively sensing lithium ion covering the redox layer.
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Citations
6 Claims
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1. A lithium ion sensor comprising:
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a FET; a redox layer having a redox function covering a gate isolating membrane of said FET wherein said redox layer is obtained by electrolytically polymerizing a p-p'"'"'biphenol; and a lithium ion-sensitive layer for selectively sensing lithium ion covering said redox layer, said lithium ion-sensitive layer being a polyvinyl chloride layer containing dibenzyl-14-crown-4, a derivative of dibenzyl-14-crown-4 or a mixture thereof, dioxaheptyl-dodecyl-14-crown-4, a derivative of dioxaheptyl-dodecyl-14-crown-4 or a mixture thereof, or diethoxyphosphorioxyethyl-dodecyl-14-crown-4, a derivative of diethoxyphosphorioxyethyl-dodecyl-14-crown-4 or a mixture thereof. - View Dependent Claims (2)
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3. A lithium ion sensor comprising:
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an electrically conductive substrate having an electrically conductive carbon layer on a surface thereof; a redox layer having a redox function covering a surface of said electrically conductive carbon layer wherein said redox layer is obtained by electrolytically polymerizing a p-p'"'"'biphenol; and a lithium ion-sensitive layer for selectively sensing lithium ion covering said redox layer, said lithium ion-sensitive layer being a polyvinyl chloride layer containing dibenzyl-14-crown-4, a derivative of dibenzyl-14-crown-4 or a mixture thereof, dioxaheptyl-dodecyl-14-crown-4, a derivative of dioxaheptyl-dodecyl-14-crown-4 or a mixture thereof, or diethoxyphosphorioxyethyl-dodecyl-14-crown-4, a derivative of diethoxyphosphorioxyethyl-dodecyl-14-crown-4 or a mixture thereof.
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4. A lithium ion sensor comprising:
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a FET; a redox layer having a redox function covering a gate isolating member of said FET wherein said redox layer is obtained by electrolytically polymerizing a p-p'"'"'biphenol, and a lithium ion-sensitive layer for selectively sensing lithium ion covering acid redox layer, said lithium ion-sensitive layer containing 1,1 parts by weight of dibenzyl-14-crown-4, a derivative of dibenzyl-14-crown-4 or a mixture thereof, dioxaheptyldodecyl-14-crown-4, a derivative of dioxaheptyl-dodecyl-14-crown-4 or a mixture thereof, or diethoxyphosphorioxyethyl-dodecyl-14-crown-4, a derivative of diethoxyphosphorioxyethyl-dodecyl-14-crown-4 or a mixture thereof, 70.2 parts by weight o-nitrophenyloctylether, 0.7 parts by weight potassium tetrakis(p-chlorophenyl)borate, 28.0 parts by weight polyvinyl chloride and 3 ml solvent. - View Dependent Claims (5)
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6. A lithium ion sensor comprising:
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an electrically conductive substrate having an electrically conductive carbon layer on a surface thereof; a redox layer having a redox function covering a surface of said electrically conductive carbon layer wherein said redox layer is obtained by electrolytically polymerizing a p-p'"'"'biphenol; and a lithium ion-sensitive layer for selectively sensing lithium ion covering said redox layer, said lithium ion-sensitive layer containing 1.1 parts by weight dibenzyl-14-crown-4, a derivative of dibenzyl-14-crown-4 or a mixture thereof, dioxaheptyl-dodecyl-14-crown-4, a derivative of dioxaheptyl-dodecyl-14-crown-4 or a mixture thereof, or diethoxyphosphorioxyethyl-dodecyl-14-crown-4, a derivative of diethoxyphosphorioxyethyl-dodecyl-14-crown-4 or a mixture thereof, 70.2 parts by weight o-nitrophenyloctylether, 0.7 parts by weight potassium tetrakis(p-chlorophenyl)borate, 28.0 parts by weight polyvinyl chloride and 3 ml solvent.
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Specification