Nano-materials

• US 20100285300A1
• Filed: 10/23/2009
• Published: 11/11/2010
• Est. Priority Date: 05/08/2009
• Status: Abandoned Application

• Current Assignee: Hon Hai Precision Industry Co., Ltd., Tsinghua University
• Original Assignee: Hon Hai Precision Industry Co., Ltd., Tsinghua University
• Inventors: Fan, Shou-Shan, Li, Qun-Qing, Jiang, Kai-Li, Wang, Jia-Ping
• Application Number:
  US12/589,493
• Publication Number:
  US 20100285300A1
• Time in Patent Office: Days
• US Class Current: 428/315.5
• CPC Class Codes: B82B 1/00 Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: Y10T 428/249921 Web or sheet containing structurally defined element or component
• CPC Class Codes: Y10T 428/249978 Voids specified as micro
• CPC Class Codes: Y10T 428/25 Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
• CPC Class Codes: Y10T 428/30 Self-sustaining carbon mass or layer with impregnant or other layer

Abstract

A nano-material includes a free-standing carbon nanotube structure and a number of nano-particles. The carbon nanotube structure includes a number of carbon nanotubes. The nano-particles are successively and closely linked to each other and coated on a surface of each of the carbon nanotubes of the carbon nanotube structure.

Claims

1. A nano-material comprising:

a free-standing carbon nanotube structure comprising a plurality of carbon nanotubes; and

a plurality of nano-particles successively and closely linked to each other and coated on a surface of each of the carbon nanotubes.

2. The nano-material as claimed in claim 1, wherein an effective diameter of each of the nano-particles is in a range from about 1 nanometer to about 500 nanometers.

3. The nano-material as claimed in claim 1, wherein the nano-particles are selected from the group consisting of metal nano-particles, non-metal nano-particles, alloy nano-particles, metallic oxide nano-particles, polymer nano-particles, and any combination thereof.

4. The nano-material as claimed in claim 1, wherein each of the nano-particles is adhered to a surface of at least one carbon nanotube.

5. The nano-material as claimed in claim 1, wherein each of the nano-particles wraps a part of a surface of at least one carbon nanotube.

6. The nano-material as claimed in claim 1, wherein each carbon nanotube is totally wrapped by one of the nano-particles if each carbon nanotube is smaller than each nano-particle.

7. The nano-material as claimed in claim 1, wherein the carbon nanotube structure is a drawn carbon nanotube film comprising a plurality of carbon nanotubes substantially oriented along a direction and joined end to end.

8. The nano-material as claimed in claim 1, wherein the carbon nanotube structure is a stacked carbon nanotube film structure comprising at least two carbon nanotube films stacked side by side.

9. A nano-material comprising:

a free-standing film structure comprising at least one nano-sized film structure, wherein the at least one nano-sized film structure comprises a plurality of nanowires combined by van der Waals attractive force therebetween and substantially aligned along one preferred orientation.

10. The nano-material as claimed in claim 9, each of the nanowires is formed by a plurality of nano-particles successively and closely linked to each other.

11. The nano-material as claimed in claim 10, wherein the nano-particles are selected from the group consisting of metal nano-particles, non-metal nano-particles, alloy nano-particles, metallic oxide nano-particles, polymer nano-particles, and any combination thereof.

12. The nano-material as claimed in claim 9, wherein the free-standing film structure is a stacked nano-sized film structure comprising at least two nano-sized film structures stacked side by side.

13. The nano-material as claimed in claim 12, a plurality of micropores and joints are defined by the stacked nano-sized film structure.

14. A nano-material comprising:

a carbon nanotube composite film structure comprising a plurality of carbon nanotube composite nanowires adhered to each other and together by van der Waals attractive forces to form a free-standing structure.

15. The nano-material as claimed in claim 14, wherein the plurality of carbon nanotube composite nanowires are substantially parallel with each other and aligned along one preferred orientation.

16. The nano-material as claimed in claim 15, wherein each of the carbon nanotube composite nanowires extends from one end of the carbon nanotube composite film structure to an opposite end of the carbon nanotube composite film structure.

17. The nano-material as claimed in claim 15, wherein two adjacent carbon nanotube composite nanowires are separated apart from each other.

18. The nano-material as claimed in claim 15, wherein two adjacent carbon nanotube composite nanowires contact each other.

19. The nano-material as claimed in claim 14, wherein each of the carbon nanotube composite nanowires is made of at least one carbon nanotube and a plurality of nano-particles successively distributed on the surface of carbon nanotube.

20. The nano-material as claimed in claim 14, wherein each of the carbon nanotube composite nanowires comprises a plurality of carbon nanotubes orderly arranged along a lengthwise direction of the carbon nanotube composite nanowire.