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  4. Low powered, tunable and ultra-light aerographite sensor for climate relevant gas monitoring
 
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Low powered, tunable and ultra-light aerographite sensor for climate relevant gas monitoring

Citation Link: https://doi.org/10.15480/882.1671
Publikationstyp
Journal Article
Date Issued
2016-09-27
Sprache
English
Author(s)
Lupan, Oleg  
Postica, Vasile  
Mecklenburg, Matthias  
Schulte, Karl  
Mishra, Yogendra Kumar  
Fiedler, Bodo  orcid-logo
Adelung, Rainer  
Institut
Kunststoffe und Verbundwerkstoffe M-11  
TORE-DOI
10.15480/882.1671
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1674
Journal
Journal of Materials Chemistry / A  
Volume
4
Issue
42
Start Page
16723
End Page
16730
Citation
Journal of Materials Chemistry A 42 (4): 16723-16730 (2016)
Publisher DOI
10.1039/C6TA05347E
Scopus ID
2-s2.0-84992618538
Publisher
RSC Publishing
Increasing atmospheric CO2 gas pollution and emergence of new types of green energy sources require continuous environmental monitoring. In this context, fast, efficient, light, robust, and reliable gas
sensors that can work at room temperature are in high demand. We report on a low-powered type of ultra-light sensor, based on a 3-D-microtube network from a 2-D graphene/nanographite, called
aerographite, and a method to tune the nanosensor’s selectivity by a simple variation of the applied bias voltage. Adequate selectivity to CO2 and ultra-fast sensing of H2 by applying 1 V and 5 V, respectively, is obtained. At ultra-low applied bias voltages (1–100 mV) only very low power consumption (z3.6 nW for 1 mV) is needed. This is most important, as it can be run by energy harvesting methods. The presented results are of the highest interest in terms of low-cost production of ultra-light and ultra-low-power consumption gas sensors for environmental monitoring of greenhouse gases and their simplicity from the technological/engineering points of view.
DDC Class
620: Ingenieurwissenschaften
Lizenz
https://creativecommons.org/licenses/by/3.0/
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