Control of resistance to enhance the sensitivity of nanocrysatlline tin oxide gas sensitive thick film

Sung Jei Hong, Dae Gyu Moon, Jeong In Han, Sang Gweon Chang, Moo Young Huh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this work, sensitivity of a nanocrystalline tin oxide gas sensitive thick film was successfully enhanced by controlling its resistance. For the precise control of the resistance, low temperature catalyst doping (LTCD) method was applied below 300°C to dope Pt catalyst onto nanocrystalline tin oxide particle. Also, a gas sensitive thick film was fabricated using the nanocrystalline tin oxide particle having a size smaller than 10 nm, and it led to an enhanced sensitivity with respect to the methane gas. That is, a good and stable sensitivity (R3500/R1000) of 0.64 was achieved after aging for 5 hours at 400°C by doping with 5wt% of Pt catalyst onto the tin oxide particle.

Original languageEnglish
Title of host publicationProceedings of IEEE Sensors
EditorsD. Rocha, P.M. Sarro, M.J. Vellekoop
Pages689-692
Number of pages4
Volume2
Publication statusPublished - 2004 Dec 1
EventIEEE Sensors 2004 - Vienna, Austria
Duration: 2004 Oct 242004 Oct 27

Other

OtherIEEE Sensors 2004
CountryAustria
CityVienna
Period04/10/2404/10/27

Fingerprint

Tin oxides
Thick films
Gases
Catalysts
Doping (additives)
Methane
Aging of materials
Temperature

Keywords

  • Gas sensitive thick film
  • Nanocrystalline
  • Tin oxide

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

Cite this

Hong, S. J., Moon, D. G., Han, J. I., Chang, S. G., & Huh, M. Y. (2004). Control of resistance to enhance the sensitivity of nanocrysatlline tin oxide gas sensitive thick film. In D. Rocha, P. M. Sarro, & M. J. Vellekoop (Eds.), Proceedings of IEEE Sensors (Vol. 2, pp. 689-692). [T2P-P.2]

Control of resistance to enhance the sensitivity of nanocrysatlline tin oxide gas sensitive thick film. / Hong, Sung Jei; Moon, Dae Gyu; Han, Jeong In; Chang, Sang Gweon; Huh, Moo Young.

Proceedings of IEEE Sensors. ed. / D. Rocha; P.M. Sarro; M.J. Vellekoop. Vol. 2 2004. p. 689-692 T2P-P.2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hong, SJ, Moon, DG, Han, JI, Chang, SG & Huh, MY 2004, Control of resistance to enhance the sensitivity of nanocrysatlline tin oxide gas sensitive thick film. in D Rocha, PM Sarro & MJ Vellekoop (eds), Proceedings of IEEE Sensors. vol. 2, T2P-P.2, pp. 689-692, IEEE Sensors 2004, Vienna, Austria, 04/10/24.
Hong SJ, Moon DG, Han JI, Chang SG, Huh MY. Control of resistance to enhance the sensitivity of nanocrysatlline tin oxide gas sensitive thick film. In Rocha D, Sarro PM, Vellekoop MJ, editors, Proceedings of IEEE Sensors. Vol. 2. 2004. p. 689-692. T2P-P.2
Hong, Sung Jei ; Moon, Dae Gyu ; Han, Jeong In ; Chang, Sang Gweon ; Huh, Moo Young. / Control of resistance to enhance the sensitivity of nanocrysatlline tin oxide gas sensitive thick film. Proceedings of IEEE Sensors. editor / D. Rocha ; P.M. Sarro ; M.J. Vellekoop. Vol. 2 2004. pp. 689-692
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