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Title: Carbon nanotube nanoelectrode arrays

Patent ·
OSTI ID:956998

The present invention relates to microelectode arrays (MEAs), and more particularly to carbon nanotube nanoelectrode arrays (CNT-NEAs) for chemical and biological sensing, and methods of use. A nanoelectrode array includes a carbon nanotube material comprising an array of substantially linear carbon nanotubes each having a proximal end and a distal end, the proximal end of the carbon nanotubes are attached to a catalyst substrate material so as to form the array with a pre-determined site density, wherein the carbon nanotubes are aligned with respect to one another within the array; an electrically insulating layer on the surface of the carbon nanotube material, whereby the distal end of the carbon nanotubes extend beyond the electrically insulating layer; a second adhesive electrically insulating layer on the surface of the electrically insulating layer, whereby the distal end of the carbon nanotubes extend beyond the second adhesive electrically insulating layer; and a metal wire attached to the catalyst substrate material.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC06-76RL01830; FG02-00ER45805
Assignee:
The Trustees of Boston College (Chesnut Hill, MA)
Patent Number(s):
7,452,452
Application Number:
11/017,480
OSTI ID:
956998
Country of Publication:
United States
Language:
English

References (16)

Aligned Carbon-Nanotubes for Sensor Applications book January 2002
Preparation of silver nanoparticles on ITO surfaces by a double-pulse method journal September 2000
Carbon nanotube screen-printed electrochemical sensors journal January 2004
Glucose sensors based on glucose-oxidase-containing polypyrrole/aligned carbon nanotube coaxial nanowire electrodes journal April 2003
Electrochemical Deposition of Silver Nanocrystallites on the Atomically Smooth Graphite Basal Plane journal January 1996
Carbon nanotube array-based biosensor journal January 2003
Growth of a single freestanding multiwall carbon nanotube on each nanonickel dot journal August 1999
Functionalised single wall carbon nanotubes/polypyrrole composites for the preparation of amperometric glucose biosensors journal January 2004
Solubilization of Carbon Nanotubes by Nafion toward the Preparation of Amperometric Biosensors journal March 2003
Electrochemical Preparation of Platinum Nanocrystallites with Size Selectivity on Basal Plane Oriented Graphite Surfaces journal February 1998
The fabrication and electrochemical characterization of carbon nanotube nanoelectrode arrays journal January 2004
Synthesis of Large Arrays of Well-Aligned Carbon Nanotubes on Glass journal November 1998
Nanowire growth for sensor arrays conference October 2003
Effect of nickel, iron and cobalt on growth of aligned carbon nanotubes journal March 2002
Direct Electrochemistry of Glucose Oxidase at a Gold Electrode Modified with Single-Wall Carbon Nanotubes journal December 2003
Size-Selective Electrodeposition of Mesoscale Metal Particles in the Uncoupled Limit journal October 2000

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