US5017975A
Expired / Lapsed
US
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Organic electronic device with a monomolecular layer or multi-monomolecular layer having electroconductive conjugated bonds
Assignee: Panasonic Holdings Corp
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Filing: 1989-07-12
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Granted: 1991-05-21
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Expires: 2009-07-12
Abstract
Abstract The present invention provides an organic electronic device characterized by comprising a monomolecular or built-up multi-monomolecular layer having an insulating layer and an electroconductive conjugated bonds disposed between a first electrode and both a second and a third electrodes formed on a substrate, said device being operated by applying an voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode or said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled, where said monomolecular layer is produced by utilizing the LB method or a chemical adsorption technique.
Inventors
- 👤 Kazufumi Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:14
CPC Classifications
H; H10; H10K; H10K85/00; H10K85/701; H10K10/00; H10K10/40; H10K10/46; H10K10/462; H10K10/466; H10K85/40; H10K85/10; H10K85/141; H10K85/143; H10K85/154; Y; Y10; Y10S; Y10S977/00; Y10S977/902; Y10S977/932; Y10S977/936
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
129 words
An organic electronic device characterized by comprising a monomolecular or built-up multi-monomolecular layer having an insulating layer and an electroconductive group containing conjugated bonds disposed between a first electrode and both a second and a third electrode formed on a substrate, said conjugated bonds connecting the second and third electrodes, said device being operated by applying a voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode of said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled.
Claim 2
Dependent Claim
129 words
An organic electronic device characterized by comprising a monomolecular or built-up multi-monomolecular layer having an insulating layer and an electroconductive group containing conjugated bonds disposed between a first electrode and both a second and a third electrode formed on a substrate, said conjugated bonds connecting the second and third electrodes, said device being operated by applying a voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode of said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled.
Claim 3
Dependent Claim
40 words
Organic electronic device according to claim 1 characterized in that said first electrode and at least a part of said second or third electrode are formed overlapping each other with said monomolecular or built-up multi-monomolecular layer being disposed between therebetween.
Claim 4
Dependent Claim
22 words
Organic electronic device according to claim 2 characterized in that said electroconductive conjugated bonds are not in contact with said first electrode.
Claim 5
Dependent Claim
26 words
Organic electronic device according to claim 1 characterized in that said first electrode and said third electrode are disposed with uniform spacing apart from each other.
Claim 6
Dependent Claim
25 words
Organic electronic device according to claim 1 characterized in that said first electrode is made of a metal having oxide film on the surface thereof.
Claim 7
Dependent Claim
37 words
Organic electronic device according to claim 1 characterized in that said electroconductive conjugated bonds are selected from a group consisting of polyacetylene, polymethylacetylene, polybutylacetylene, polycyanoacetylene, polydicyanoacetylene, polydiacetylene, polypyridylacetylene, polyphenylacetylene, polyphenylene, polyphenylenevinylene, polythienylene, polypyrrole, polyacene, polypyridinopyridine and polyaniline.
Claim 8
Dependent Claim
27 words
Organic electronic device according to claim 1 characterized in that said monomolecular or built-up multi-monomolecular layer is formed by utilizing the Langmuir-Blodgett method or chemical adsorption technique.
Claim 9
Dependent Claim
169 words
An organic electronic device characterized in that a silane surfactant is chemically adsorbed from a non-aqueous organic solvent to form a silicone bond on at least a first electrode formed on a surface of a substrate forming at least one monomolecular layer, said silane surfactant containing an insulating layer and electroconductive conjugated bonds chemically bonded to the surface of said first electrode directly via the silicon atom of said surfactant and a second and a third electrodes being formed on said monomolecular layer in contact with said electroconductive conjugated bonds, said device being operated by applying a voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode or said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled.
Claim 10
Dependent Claim
169 words
An organic electronic device characterized in that a silane surfactant is chemically adsorbed from a non-aqueous organic solvent to form a silicone bond on at least a first electrode formed on a surface of a substrate forming at least one monomolecular layer, said silane surfactant containing an insulating layer and electroconductive conjugated bonds chemically bonded to the surface of said first electrode directly via the silicon atom of said surfactant and a second and a third electrodes being formed on said monomolecular layer in contact with said electroconductive conjugated bonds, said device being operated by applying a voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode or said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled.
Claim 11
Dependent Claim
37 words
Organic electronic device according to claim 8 characterized in that after at least one layer of said monomolecular film of silane surfactant containing unsaturated groups is formed, said unsaturated groups are boned to produce electroconductive conjugated bonds.
Claim 12
Dependent Claim
23 words
Organic electronic device according to claim 8 characterized in that as said silane surfactant, a chemical having a terminal --SiCl group is employed.
Claim 13
Dependent Claim
41 words
Organic electronic device according to claim 10 characterized in that as said silane surfactant, a chemical represented by (CH 3 ) 3 Si--C.tbd.C--(CH 2 )n--SiCl 3 (where n is integer) or HC.tbd.C--C.tbd.C--(CH 2 )n--SiCl 3 (where n is integer) is employed.
Claim 14
Dependent Claim
45 words
Organic electronic device according to claim 10 characterized in that in production of said electroconductive conjugated bonds, said substrate having said monomolecular layer built-up is immersed in an second organic solvent containing metal halide catalyst and said unsaturated groups of said monomolecular layer are polymerized.
Claim 15
Dependent Claim
22 words
Organic electronic device according to claim 12 characterized in that metal of said metal halide catalyst is Mo, W, Nb, or Ta.
Claim 16
Dependent Claim
20 words
Organic electronic device according to claim 12 characterized in that said metal halide catalyst and an organic Sn or Bi.
Claim 17
Dependent Claim
41 words
Organic electronic device according to claim 12 characterized in that said unsaturated group is an acetylenyl or diacetylenyl group, said organic solvent is an organic solvent containing oxygen, said metal halide catalyst is MoCl 5 and cis-type polyacetylene bondings is produced.
Claim 18
Dependent Claim
92 words
Organic electronic device according to claim 9 characterized in that in the step of producing said conjugated bonds, a substrate having a hydrophilic surface is immersed in a non-aqueous organic solvent containing a material having an acetylenic group (--C.tbd.C--) or diacetylenic group (--C.tbd.C--C.tbd.C--) and a group ##STR6## in solution to form a monomolecular layer of said material by chimical adsorption on said substrate, and said substrate having said monomolecular film built up is immersed in a second organic solvent containing metal halide catalyst to polymerize said acetylenyl groups of said monomolecular layer.
Claim 19
Dependent Claim
164 words
An organic electronic device characterized in that surfactant containing a double or triple bond group is spread on the water in a cell to form a monomolecular layer, said monomolecular layer is transferred at least one onto at least a first electrode on the surface of a substrate, chemically reacting said surfactant in the monomolecular layer to produce an insulating layer and electroconductive conjugated bonds, and forming a second electrode and a third electrode on said monomolecular layer in contact with said electroconductive conjugated bonds, said device being operated by applying a voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode or said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled.
Claim 20
Dependent Claim
164 words
An organic electronic device characterized in that surfactant containing a double or triple bond group is spread on the water in a cell to form a monomolecular layer, said monomolecular layer is transferred at least one onto at least a first electrode on the surface of a substrate, chemically reacting said surfactant in the monomolecular layer to produce an insulating layer and electroconductive conjugated bonds, and forming a second electrode and a third electrode on said monomolecular layer in contact with said electroconductive conjugated bonds, said device being operated by applying a voltage between said first electrode and said second electrode or said third electrode as well as between said second electrode and said third electrode, varying the voltage between said first electrode and said second electrode or said third electrode to control the electroconductivity of said electroconductive conjugated bonds via said insulating layer, whereby an electric current flowing across said electroconductive conjugated bonds between said second electrode and said third electrode is controlled.
Claim 21
Dependent Claim
154 words
Organic electronic device according to claim 17 characterized in that a material having an acetylenic (--C.tbd.C--) group as an unsaturated group is used, said material dissolved in an organic solvent is spread over the surface of the water, and after the organic solvent is evaporated, the molecules of said material containing said acetylenic group remaining on the water are collected by a barrier in the direction parallel to the plane of the surface of the water, a monomolecular layer is formed on the surface of the water under a predetermined pressure applied to the surface, said monomolecular layer is built-up on said substrate while said substrate is moved up and down under a predetermined pressure applied to the surface of the water, and said substrate having said monomolecular layer built-up on the surface thereof is immersed in an organic solvent containing a metal halide catalyst to polymerize said acetylenyl groups of said monomolecular layer.
Claim 22
Dependent Claim
40 words
Organic electronic device according to claim 18 characterized in that said building up is conducted with a DC field being applied in the direction parallel to the surface of the water at the same time of applying said predetermined pressure.
Claim 23
Dependent Claim
37 words
Organic electronic device according to claim 18 or claim 19 characterized in that said organic solvent is an organic solvent containing oxygen, said metal halide catalyst is MoCl 5 and cis-type polyacetylene ultra-long conjugated bonds is produced.
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