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Unimolecular transistor

外国特許コード F200010176
整理番号 J1035-02TW
掲載日 2020年6月5日
出願国 台湾
出願番号 108106935
公報番号 201939754
出願日 平成31年2月27日(2019.2.27)
公報発行日 令和元年10月1日(2019.10.1)
優先権データ
  • 特願2018-038093 (2018.3.2) JP
発明の名称 (英語) Unimolecular transistor
発明の概要(英語) A unimolecular transistor according to the present invention includes: a first electrode having a first electrode layer and a first metal particle disposed at one end section of the first electrode layer; a second electrode having a second electrode layer and a second metal particle disposed at one end section of the second electrode layer; a third electrode insulated from the first electrode and the second electrode; and a [pi]-conjugated molecule having a [pi]-conjugated skeleton. The first electrode and the second electrode are disposed such that the first metal particle and the second metal particle face each other with a gap there between. The width from one end to the other end of each of the first metal particle and the second metal particle is 10 nm or less. The third electrode is disposed so as to be adjacent to the gap faced by the first metal particle and the second metal particle and so as to be separated from the first metal particle and the second metal particle. The [pi]-conjugated molecule is disposed in the gap between the first metal particle and the second metal particle.
特許請求の範囲(英語) [claim1]
1. A single molecule electric crystal characterized in that: the first electrode comprises a first electrode, a first electrode layer and a first metal particle arranged at one end of the first electrode layer; a second electrode which is provided with a second electrode layer and a second metal particle arranged at one end of the second electrode layer; a third electrode which is insulated on the first electrode and the second electrode; and a π conjugated molecule with π common. The first electrode and the second electrode are provided with a gap, the width of the first metal particle and the second metal particle from one end to the other end is 10 nm, the third electrode is arranged adjacent to the gap between the first metal particle and the second metal particle, and the third electrode is arranged adjacent to the gap between the first metal particle and the second metal particle. The first metal particle and the second metal particle are isolated, and the π conjugated molecule is arranged at the gap between the first metal particle and the second metal particle.

[claim2]
2. A single molecule transistor as described in claim item 1, wherein the length of the gap between the first metal particle and the second metal particle is below nm.

[claim3]
3. The first electrode layer and the second electrode layer comprise platinum, the first metal particle and the second metal particle system gold.

[claim4]
4. A single molecule electrocrystal as described in Claim Item 1, wherein the length of the aforementioned π conjugated molecule is not up5 to nm.

[claim5]
5. A single molecule electric crystal as described in claim item 1, wherein the π conjugate molecule of the aforementioned π conjugate molecule contains an element which is chemically bonded to the first metal particle or the second metal particle as described above at one end of the conjugated skeleton.

[claim6]
6. A single molecule electrocrystal as described in claim item 5, wherein the aforementioned π conjugated molecule comprises an extended alkyl group, a perfluorinated extension CF 2 n-), an oxyextension (-O CH 2 n-) or a nitrogen-substituted alkyl NH-(CH 2 n-) between the π conjugated backbone and the aforementioned elements.

[claim7]
7. A single molecule electrocrystal as described in Claim Item 1, wherein the above π conjugated molecular system ends with a thiol substituted carbon crosslinked oligomeric extension styrene COPVn(SH) 2).

[claim8]
8. A single molecule electric crystal as described in claim item 7, wherein the number of units of the carbon cross-linked oligomerized styrene which is substituted by mercapto groups is 1 to 10.

[claim9]
9. One of the first metal particles and one of the second metal particles is chemisorbed with one end of the π conjugated molecule as described in claim item 1.

[claim10]
10. A single molecule electric crystal as described in claim item 1, wherein the first metal particle and the second metal particle are covered with gold Au), and at one end of the π conjugated molecule, sulfur S) and gold Au) are chemically adsorbed.

[claim11]
11. The other end bond of the aforementioned π conjugated molecule is provided with sulfur S) and hydrogen H) as described in claim item 10.

[claim12]
12. A single molecule electric crystal as described in claim item 1, wherein the first metal particles and the second metal particles are covered with gold Au), and the two ends of the aforementioned π conjugated molecules chemically adsorb sulfur S) and gold Au) at both ends of the aforementioned conjugated molecules.

[claim13]
13. A single molecule transistor as described in claim item 1, wherein a resonant tunneling current is communicated between the first electrode and the second electrode.

[claim14]
14. Single molecule electric crystal characterized in that: a nano-gap electrode is provided with a pair of metal particles and is provided with a gap below nm; a functional molecule is arranged on the gap of the pair of metal particles; and the gate electrode is arranged adjacent to the gap of the pair of metal particles, and the function molecule is endowed with an electric field; wherein, the above-mentioned nano gap electrode interflow resonant tunnel is provided. Current.

[claim15]
15. As the single molecule transistor of the request item 14, the width of the pair of metal particles from one end to the other end is 10 nm or less.

[claim16]
16. A single molecule electrocrystal as described in claim item 14, wherein the aforementioned functional molecular series π conjugated molecules are described.

[claim17]
17. A single molecule electrocrystal as described in claim item 14, wherein the aforementioned functional molecule is conjugated to a π conjugated molecule of a rigid skeleton.

[claim18]
18. A single molecule electrocrystal as described in claim item 16, wherein the aforementioned π conjugated molecule has a π conjugated backbone, said π conjugated backbone having carbon C) crosslinking.

[claim19]
19. A single molecule electrocrystal as described in claim item 18, wherein the aforementioned π conjugated molecular system carbon cross-linked oligomerized styrene COPVn(SH) 2).

[claim20]
20. A single molecule electric crystal as described in claim item 19, wherein the number of units of the carbon cross-linked oligomerized styrene which is substituted by mercapto groups is 1 to 10.

[claim21]
21. A single molecule electrocrystal as described in claims 14,18, or 19, wherein the aforementioned metal-particle-based gold Au), is chemisorbed with gold Au) of the aforementioned metal particles at least one sulfur S) of the aforementioned π conjugated molecule.

[claim22]
22. A single molecule transistor as described in claim item 12 or 14, wherein the backbone portion of the aforementioned π conjugated molecule is isolated from the pair of metal particles in the length of the flow tunnel current.

[claim23]
23. A single molecule electric crystal as described in claim item 12 or 14, wherein the backbone portion of the aforementioned π conjugated molecule and the pair of metal particles separated by the length of the flow tunnel current are composed of a base of a request item 6 between the π conjugate backbone and the element of the chemisorption.

[claim24]
24. A single molecule electrocrystal as described in claim item 12 or 14, wherein the backbone of the aforementioned claim item 6 is extended into linear by forming a cross-linking structure having two ends chemically bonded.

[claim25]
25. As the single molecule transistor of the request item 14, in which a certain voltage is applied to the gate electrode, one of the above-mentioned nano-slit electrodes is designated as a source and the other one is designated as a drain electrode, the system varies with the temperature rising and the ratio of on-off to on-off becomes larger.

[claim26]
26. A single molecule electrocrystal as described in Claim Item 1, wherein the aforementioned π conjugated molecular system ends with a Si-linked quinone-type fused oligomeric silicon er derivative Si-2× 2) substituted with mercaptoalkoxy (-O CH 2 n-SH).

[claim27]
27. A single molecule transistor as described in claim item 1, wherein the conductance in the conduction state is1 more than M S.

[claim28]
28. A single molecule transistor as described in Claim Item 1, wherein the operating mechanism is transferred from a single electron transistor to a resonant tunneling transistor.
  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • MAJIMA YUTAKA
  • NAKAMURA EIICHI
  • TSUJI HAYATO
  • NOZAKI KYOKO
  • SHINTANI RYO
  • OUYANG CHUN
  • ITO YUMA
  • LEE SEUNG-JOO
国際特許分類(IPC)
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