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Title: CO2 sensor based on carbon nanotube-functional polymer composite films

Patent ·
OSTI ID:2293716
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The present disclosure relates to a novel composite film configured for CO2 sensing, and the method of making and using the novel composite film. The novel composite film comprises a carbon nanotube film and a CO2 absorbing layer deposited on the carbon nanotube film, wherein the CO2 absorbing layer comprises a mixture of a branched polyethylenimine, a polyethylene glycol, and poly[1-(4-vinylbenzyl)-3-methylimidazolium tetrafluoroborate] of formula I:

Research Organization:
Purdue Univ., West Lafayette, IN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000943
Assignee:
Purdue Research Foundation (West Lafayette, IN)
Patent Number(s):
11,782,007
Application Number:
16/986,340
OSTI ID:
2293716
Resource Relation:
Patent File Date: 08/06/2020
Country of Publication:
United States
Language:
English

References (5)

Facile strategy for preparation of core–shell-structured carbon nanotube–ionic liquid hybrids journal March 2016
Poly(ionic liquid)-wrapped single-walled carbon nanotubes for sub-ppb detection of CO2 journal January 2012
Modeling and Estimation of the Humans' Effect on the CO2 Dynamics Inside a Conference Room journal September 2015
Poly(ionic liquid)s as new materials for co2 separation and other applications patent-application October 2009
When Nanoparticles Meet Poly(Ionic Liquid)s: Chemoresistive CO2 Sensing at Room Temperature journal March 2015

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