NANOPARTICLE WITH PLURAL FUNCTIONALITIES, AND METHOD OF FORMING THE NANOPARTICLE

• US 20190319189A1
• Filed: 06/27/2019
• Published: 10/17/2019
• Est. Priority Date: 06/29/2016
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Cao, Qing, CHENG, Kangguo, LI, Zhengwen, LIU, Fei
• Granted Patent: US 10,665,783 B2
• Time in Patent Office: Days
• CPC Class Codes: A61K 9/143 with inorganic compounds
• CPC Class Codes: B82Y 40/00 Manufacture or treatment of nanostructures
• CPC Class Codes: B82Y 5/00 Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
• CPC Class Codes: H01L 21/0217 the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz H01L21/02126 and H01L21/0214 take precedence
• CPC Class Codes: H01L 21/02422 Non-crystalline insulating materials, e.g. glass, polymers
• CPC Class Codes: H01L 21/02532 Silicon, silicon germanium, germanium
• CPC Class Codes: H01L 21/02601 Nanoparticles fullerenes H10K85/211
• CPC Class Codes: H01L 21/7806 involving the separation of the active layers from a substrate
• CPC Class Codes: H10N 97/00 Electric solid-state thin-film or thick-film devices, not otherwise provided for

Abstract

A nanoparticle includes a cuboid base including a semiconductor material, and a plurality of surfaces formed on the base and including a plurality of functionalities, respectively.

Claims

1. A nanoparticle comprising:

a cuboid base comprising a semiconductor material; and

a plurality of surfaces formed on the base and including a plurality of functionalities, respectively.

2. The nanoparticle of claim 1, wherein the plurality of surfaces comprises a plurality of faces of the cuboid base, and the plurality of functionalities comprises a first functionality formed on a first face of the plurality of faces, and a second functionality different from the first functionality formed on a second face of the plurality of faces.

3. The nanoparticle of claim 2, wherein the second face is different from the first face in at least one of a bonding property, an energy absorption property and a biodegradability property.

4. The nanoparticle of claim 1, wherein the plurality of surfaces comprises a first surface including an insulator layer, a second surface including a metal layer, and a third surface including the semiconductor material.

5. A pharmaceutical comprising the nanoparticle of claim 1.

6. The nanoparticle of claim 4, wherein the insulator layer comprises a silicon nitride layer and the metal layer comprises a gold layer.

7. The nanoparticle of claim 4, wherein the metal layer is formed on a side wall of the cuboid base and on a side wall of the insulator layer.

8. The nanoparticle of claim 4, wherein the plurality of surfaces further comprises a fourth surface formed opposite the second surface and including the metal layer.

9. The nanoparticle of claim 8, wherein the plurality of surfaces further comprises a fifth surface formed opposite the third surface and including the semiconductor material.

10. The nanoparticle of claim 9, wherein the plurality of surfaces further comprises a sixth surface formed opposite the first surface and including the semiconductor material.

11. The nanoparticle of claim 1, wherein the semiconductor material comprises one of silicon, germanium, silicon germanium, a group III-V semiconductor material and a group II-VI semiconductor material.

12. The nanoparticle of claim 1, wherein the cuboid base comprises one of a rectangular cuboid shape and a square cuboid shape.

13. The nanoparticle of claim 1, wherein a side wall of the cuboid base has a length in a range from 2 nm to 50 nm.

14. A nanoparticle comprising:

a cuboid base comprising a semiconductor material;

a first layer having a first functionality and formed on a first side of the cuboid base; and

a second layer having a second functionality and formed on a second side of the cuboid base.

15. The nanoparticle of claim 14, wherein the second layer is formed on a side of the first layer and on the second side of the cuboid base.

16. The nanoparticle of claim 14, wherein the first layer comprises a functionality different from a functionality of the semiconductor material.

17. The nanoparticle of claim 14, wherein the second layer comprises a functionality different from the functionality of the semiconductor material.

18. The nanoparticle of claim 14, wherein the first layer comprises an insulator layer and the second layer comprises a metal layer.

19. The nanoparticle of claim 18, wherein the insulator layer comprises a silicon nitride layer and the metal layer comprises a gold layer.

20. A nanoparticle comprising:

a cuboid base comprising a semiconductor material;

a first surface comprising a first layer having a first functionality and formed on the cuboid base;

a second surface comprising a second layer having a second functionality different from the first functionality and formed on the cuboid base;

a third surface comprising the semiconductor material;

a fourth surface formed opposite the second surface and including the second layer;

a fifth surface formed opposite the third surface and including the semiconductor material; and

a sixth surface formed opposite the first surface and including the semiconductor material.