Synthesis of SnO2 nanowires and their gas sensing characteristics

In Sung Hwang, Young Jin Choi, Jae Hwan Park, Jae Gwan Park, Ki Won Kim, Jong Heun Lee

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A network of SnO2 nanowires was fabricated on the electrodes and their NO2 gas sensing properties were examined. SnO2 nanowires were synthesized by using a simple thermal evaporation process with Sn metal powders at low temperatures of 600 ∼ 700 °C. The diameters of the nanowires ranged from 50 nm to 100 nm, which was determined by the processing temperature and the oxygen content. At a the NO2 concentration of 20 ppm, a sensitivity of 300, a response time of 100 s, and a recovery time of 200 s were observed.

Original languageEnglish
Pages (from-to)1229-1233
Number of pages5
JournalJournal of the Korean Physical Society
Volume49
Issue number3
Publication statusPublished - 2006 Sep 1

Fingerprint

nanowires
synthesis
gases
metal powder
recovery
evaporation
electrodes
sensitivity
oxygen
temperature

Keywords

  • Chemical gas sensor
  • Nanostructures
  • SnO

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Hwang, I. S., Choi, Y. J., Park, J. H., Park, J. G., Kim, K. W., & Lee, J. H. (2006). Synthesis of SnO2 nanowires and their gas sensing characteristics. Journal of the Korean Physical Society, 49(3), 1229-1233.

Synthesis of SnO2 nanowires and their gas sensing characteristics. / Hwang, In Sung; Choi, Young Jin; Park, Jae Hwan; Park, Jae Gwan; Kim, Ki Won; Lee, Jong Heun.

In: Journal of the Korean Physical Society, Vol. 49, No. 3, 01.09.2006, p. 1229-1233.

Research output: Contribution to journalArticle

Hwang, IS, Choi, YJ, Park, JH, Park, JG, Kim, KW & Lee, JH 2006, 'Synthesis of SnO2 nanowires and their gas sensing characteristics', Journal of the Korean Physical Society, vol. 49, no. 3, pp. 1229-1233.
Hwang IS, Choi YJ, Park JH, Park JG, Kim KW, Lee JH. Synthesis of SnO2 nanowires and their gas sensing characteristics. Journal of the Korean Physical Society. 2006 Sep 1;49(3):1229-1233.
Hwang, In Sung ; Choi, Young Jin ; Park, Jae Hwan ; Park, Jae Gwan ; Kim, Ki Won ; Lee, Jong Heun. / Synthesis of SnO2 nanowires and their gas sensing characteristics. In: Journal of the Korean Physical Society. 2006 ; Vol. 49, No. 3. pp. 1229-1233.
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