The role of defects in chemical sensing properties of carbon nanotube films

Z. Horváth, Antal A. Koós, K. Kertész, G. Molnár, G. Vértesy, Márton C. Bein, Tamás Frigyes, Zoltán Mészáros, J. Gyulai, L. Bíró

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The electrical resistance of 24 different carbon nanotube (CNT) thin film samples in blowing ambient air and 10 different analyte vapor environments was measured. The effects of the CNT growth method, different chemical treatments, ball milling, sample preparation conditions and Ar+-ion irradiation are compared. Significant differences in the response signal curves as a function of time in the case of the studied sensor/vapor combinations show the important role of the defect structure and attached functional groups in the chemical sensing properties of CNTs.

Original languageEnglish
Pages (from-to)495-504
Number of pages10
JournalApplied Physics A: Materials Science and Processing
Volume93
Issue number2
DOIs
Publication statusPublished - Nov 2008

Fingerprint

Carbon Nanotubes
Carbon nanotubes
carbon nanotubes
Vapors
Defects
Acoustic impedance
Defect structures
defects
Ball milling
Ion bombardment
Blow molding
vapors
Functional groups
blowing
electrical resistance
ion irradiation
Thin films
balls
Sensors
Air

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

The role of defects in chemical sensing properties of carbon nanotube films. / Horváth, Z.; Koós, Antal A.; Kertész, K.; Molnár, G.; Vértesy, G.; Bein, Márton C.; Frigyes, Tamás; Mészáros, Zoltán; Gyulai, J.; Bíró, L.

In: Applied Physics A: Materials Science and Processing, Vol. 93, No. 2, 11.2008, p. 495-504.

Research output: Contribution to journalArticle

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