Density controlled carbon nanotube array electrodes

Ren, Zhifeng F; Tu, Yi

Title: Density controlled carbon nanotube array electrodes

Patent · Tue Dec 16 00:00:00 EST 2008

OSTI ID:985711

Ren, Zhifeng F ^[1]; Tu, Yi ^[2]

Newton, MA
Belmont, MA

CNT materials comprising aligned carbon nanotubes (CNTs) with pre-determined site densities, catalyst substrate materials for obtaining them and methods for forming aligned CNTs with controllable densities on such catalyst substrate materials are described. The fabrication of films comprising site-density controlled vertically aligned CNT arrays of the invention with variable field emission characteristics, whereby the field emission properties of the films are controlled by independently varying the length of CNTs in the aligned array within the film or by independently varying inter-tubule spacing of the CNTs within the array (site density) are disclosed. The fabrication of microelectrode arrays (MEAs) formed utilizing the carbon nanotube material of the invention is also described.

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Research Organization:: Boston College, Chestnut Hill, MA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG02-00ER45805

Assignee:: The Trustees of Boston College (Chestnut Hill, MA)

Patent Number(s):: 7,465,494

Application Number:: 10/424,295

OSTI ID:: 985711

Country of Publication:: United States

Language:: English

References (20)

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