Title: Metal nanoparticle-decorated nanotubes for gas sensing

Abstract

Disclosed herein are embodiments of compositions for gas sensing and sensors utilizing the same. In one embodiment, a composition comprises carbon nanotubes and and polymer-coated metal nanoparticles bound to the carbon nanotubes.

Inventors:

Iftime, Gabriel; Smith, Clinton; Schwartz, David Eric; Zhang, Yong; Vedharathinam, Vedasri

Issue Date:

2020-11-10

Research Org.:

Palo Alto Research Center, Inc., Palo Alto, CA (United States)

Sponsoring Org.:

USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:

1771609

Patent Number(s):

10830721

Application Number:

15/582,172

Assignee:

Palo Alto Research Center Incorporated (Palo Alto, CA)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J20/0225 - {Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt}
B01J20/205 - {Carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs
B01J20/3204 - {Inorganic carriers, supports or substrates}
B01J20/327 - {Polymers obtained by reactions involving only carbon to carbon unsaturated bonds}

B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER

B22F2999/00 - Aspects linked to processes or compositions used in powder metallurgy
B22F9/24 - starting from liquid metal compounds, e.g. solutions

B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES

B82Y15/00 - Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
B82Y30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
B82Y40/00 - Manufacture or treatment of nanostructures

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS

C22C2026/002 - {Carbon nanotubes}

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

G01N27/04 - by investigating resistance {
G01N27/126 - {comprising organic polymers}
G01N27/127 - {comprising nanoparticles}
G01N33/0009 - {General constructional details of gas analysers, e.g. portable test equipment

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DOE Contract Number:  

AR0000542

Resource Type:

Patent

Resource Relation:

Patent File Date: 04/28/2017

Country of Publication:

United States

Language:

English