US5525811A
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Organic quantum semiconductor and quantum semiconductor device
Assignee: NEC Corp
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Filing: 1994-10-07
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Granted: 1996-06-11
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Expires: 2014-10-07
Abstract
Abstract An organic semiconductor including an organic semiconductor layer, which layer is formed by epitaxially depositing molecules of a compound selected from phthalocyanines to form a super-thin film configuration including one-dimensional columns of stacked molecules in the form of quantum wires separated respectively from each other.
Inventors
- 👤 Kikukazu Sakurai
- 👤 Shigemasa Takano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:43
CPC Classifications
H; H10; H10K; H10K85/00; H10K85/30; H10K85/311; B; B82; B82Y; B82Y10/00; H10K10/00; H10K10/20; H10K10/26; H10K10/40; H10K10/46; H10K10/43
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
65 words
An organic semiconductor, comprising: at least three organic semiconductor layers, each layer being formed by epitaxially depositing molecules of a compound selected from a group comprising phthalocyanine, iodinated phthalocyanine, titanyl phthalocyanine, lead phthalocyanine, aluminum phthalocyanine fluoride, aluminum phthalocyanine, pyrazino pyridine, and porphyrins, to form a super-thin film configuration; wherein two adjacent layers of the at least three organic semiconductor layers comprise different organic semiconductor materials.
Claim 2
Dependent Claim
65 words
An organic semiconductor, comprising: at least three organic semiconductor layers, each layer being formed by epitaxially depositing molecules of a compound selected from a group comprising phthalocyanine, iodinated phthalocyanine, titanyl phthalocyanine, lead phthalocyanine, aluminum phthalocyanine fluoride, aluminum phthalocyanine, pyrazino pyridine, and porphyrins, to form a super-thin film configuration; wherein two adjacent layers of the at least three organic semiconductor layers comprise different organic semiconductor materials.
Claim 3
Dependent Claim
27 words
The organic semiconductor of claim 1, wherein each said super-thin film configuration comprises one-dimensional columns of stacked molecules, said one-dimensional columns being separated respectively from each other.
Claim 4
Dependent Claim
40 words
The organic semiconductor of claim 2, wherein at least one of a tunnel structure, semiconductor band structure, excitation structure, quantum hole structure, resonance structure and Schottky structure is further provided in said hetero-junction in the direction of said one-dimensional columns.
Claim 5
Dependent Claim
44 words
The organic semiconductor of claim 2, wherein wave functions corresponding to electrons of each of said molecules overlap, resulting in a conjugated intermolecular electron orbital within each of said one-dimensional columns, thereby facilitating migration of electrons in an axial direction along said one-dimensional columns.
Claim 6
Dependent Claim
62 words
An organic semiconductor, comprising: an organic semiconductor layer, which layer is formed by epitaxially depositing molecules of a compound selected from a group comprising phthalocyanine, iodinated phthalocyanine, titanyl phthalocyanine, lead phthalocyanine, aluminum phthalocyanine fluoride, aluminum phthalocyanine, pyrazino pyridine, and porphyrins, to form a super-thin film configuration comprising one-dimensional columns of stacked molecules, wherein said one-dimensional columns are separated respectively from each other.
Claim 7
Dependent Claim
62 words
An organic semiconductor, comprising: an organic semiconductor layer, which layer is formed by epitaxially depositing molecules of a compound selected from a group comprising phthalocyanine, iodinated phthalocyanine, titanyl phthalocyanine, lead phthalocyanine, aluminum phthalocyanine fluoride, aluminum phthalocyanine, pyrazino pyridine, and porphyrins, to form a super-thin film configuration comprising one-dimensional columns of stacked molecules, wherein said one-dimensional columns are separated respectively from each other.
Claim 8
Dependent Claim
44 words
The organic semiconductor of claim 5, wherein wave functions corresponding to electrons of each of said molecules overlap, resulting in a conjugated intermolecular electron orbital within each of said one-dimensional columns, thereby facilitating migration of electrons in an axial direction along said one-dimensional columns.
Claim 9
Dependent Claim
77 words
The organic semiconductor of claim 5, wherein said one-dimensional columns are in a length range of about 10 angstroms to about 150 angstroms, said one-dimensional columns are separated respectively from each other by a pitch in a pitch range of about 20 angstroms to about 100 angstroms, and mobility of electrons migrating along said one-dimensional columns is in a mobility range of about 1 square-centimeter per Volt per second to about 400 square-centimeters per volt per second.
Claim 10
Dependent Claim
81 words
An organic semiconductor, comprising: at least two organic semiconductor layers, each layer being formed by epitaxially depositing molecules of a compound selected from a group comprising phthalocyanine, iodinated phthalocyanine, titanyl phthalocyanine, lead phthalocyanine, aluminum phthalocyanine fluoride, aluminum phthalocyanine, pyrazino pyridine, and porphyrins, to form a super-thin film configuration comprising one-dimensional columns of stacked molecules, wherein said columns are separated respectively from each other; and one conductor layer interposed between each two adjacent layers of the at least two organic semiconductor layers.
Claim 11
Dependent Claim
81 words
An organic semiconductor, comprising: at least two organic semiconductor layers, each layer being formed by epitaxially depositing molecules of a compound selected from a group comprising phthalocyanine, iodinated phthalocyanine, titanyl phthalocyanine, lead phthalocyanine, aluminum phthalocyanine fluoride, aluminum phthalocyanine, pyrazino pyridine, and porphyrins, to form a super-thin film configuration comprising one-dimensional columns of stacked molecules, wherein said columns are separated respectively from each other; and one conductor layer interposed between each two adjacent layers of the at least two organic semiconductor layers.
Claim 12
Dependent Claim
56 words
The organic semiconductor of claim 8, wherein the conductor layer consists of a one-dimensional electric conductor, a two-dimensional electric conductor, a one-dimensional photoconductor or a two-dimensional photoconductor and is aligned in a direction along a gate field within at least one of a source layer, a drain layer and a channel layer of a MOSFET structure.
Claim 13
Dependent Claim
46 words
The organic semiconductor of claim 8, wherein the conductor layer consists of a one-dimensional electric conductor, a two-dimensional electric conductor, a one-dimensional photoconductor or a two-dimensional photoconductor and is aligned in a direction perpendicular to a gate field within a gate layer of a MOSFET structure.
Claim 14
Dependent Claim
37 words
The organic semiconductor of claim 8, wherein the conductor layer consists of a one-dimensional electric conductor, a two-dimensional electric conductor, a one-dimensional photoconductor or a two-dimensional photoconductor and is aligned in a direction along said one-dimensional columns.
Claim 15
Dependent Claim
50 words
The organic semiconductor of claim 8, wherein the conductor layer consists of a one-dimensional electric conductor, a two-dimensional electric conductor, a one-dimensional photoconductor or a two-dimensional photoconductor and is aligned along said one-dimensional columns in at least one of a base layer, emitter layer and collector layer of a transistor.
Claim 16
Dependent Claim
42 words
The organic semiconductor of claim 8, wherein the conductor layer consists of a one-dimensional electric conductor, a two-dimensional electric conductor, a one-dimensional photoconductor or a two-dimensional photoconductor and is aligned perpendicular to said one-dimensional columns within a base layer of a transistor.
Claim 17
Dependent Claim
44 words
The organic semiconductor of claim 8, wherein wave functions corresponding to electrons of each of said molecules overlap, resulting in a conjugated intermolecular electron orbital within each of said one-dimensional columns, thereby facilitating migration of electrons in an axial direction along said one-dimensional columns.
Claim 18
Dependent Claim
85 words
The organic semiconductor of claim 8, wherein said one-dimensional columns in at least one said super-thin film configuration are in a length range of about 10 angstroms to about 150 angstroms, said one-dimensional columns are separated respectively from each other by a pitch in a pitch range of about 20 angstroms to about 100 angstroms, and mobility of electrons migrating along said one-dimensional columns is in a mobility range of about 1 square-centimeter per volt per second to about 400 square-centimeters per volt per second.
Claim 19
Dependent Claim
85 words
The organic semiconductor of claim 2, wherein said one-dimensional columns in at least one said super-thin film configuration are in a length range of about 10 angstroms to about 150 angstroms, said one-dimensional columns are separated respectively from each other by a pitch in a pitch range of about 20 angstroms to about 100 angstroms, and mobility of electrons migrating along said one-dimensional columns is in a mobility range of about 1 square-centimeter per volt per second to about 400 square-centimeters per volt per second.
Claim 20
Dependent Claim
15 words
The organic semiconductor of claim 7, wherein said one-dimensional columns are about 100 angstroms long.
Claim 21
Dependent Claim
23 words
The organic semiconductor of claim 15, wherein said one-dimensional columns in at least one said super-thin film configuration are about 100 angstroms long.
Claim 22
Dependent Claim
23 words
The organic semiconductor of claim 16, wherein said one-dimensional columns in at least one said super-thin film configuration are about 100 angstroms long.
Claim 23
Dependent Claim
23 words
The organic semiconductor of claim 19, wherein said one-dimensional columns in at least one said super-thin film configuration are about 30 angstroms long.
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EP0260152A2
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JPS63153866A
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JPS63244678A
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