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Schreib′s auf: Das mechanische Abreiben komprimierter einwandiger Kohlenstoffnanoröhren (SWCNTs) auf Papier führt zu Sensoren, die Sub‐ppm‐Konzentrationen von NH3‐Gas detektieren können. Diese Herstellungsmethode ist einfach und preisgünstig. Sie ist vollständig lösungsmittelfrei und umgeht damit die Schwierigkeiten, die sich aus der inhärenten Instabilität vieler SWCNT‐Dispersionen ergeben.
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