The chemical interaction between plasma-excited nitrogen and the surface of titanium dioxide

S. Kameoka; T. Kuriyama; M. Kuroda; S. Ito; K. Kunimori

doi:10.1016/0169-4332(95)00052-6

The chemical interaction between plasma-excited nitrogen and the surface of titanium dioxide

S. Kameoka, T. Kuriyama, M. Kuroda, S. Ito, K. Kunimori

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

The chemical interaction between plasma-excited nitrogen and TiO₂ surface was studied by using infrared (IR) spectroscopy. When the plasma-excited nitrogen was exposed to TiO₂ at room temperature, the decrease in the intensity of the OH band correlated well with the increase in the intensities of the N-H stretching bands of NH₃(a). These results suggested that the plasma-excited nitrogen reacted with the surface hydroxyl groups on TiO₂ to form NH₃(a) even at room temperature. NH₃ (74.4%), NO (20.5%) and N₂ (5.1%) were desorbed after heating the TiO₂ at 450°C, and a possible mechanism was discussed.

Original language	English
Pages (from-to)	411-415
Number of pages	5
Journal	Applied Surface Science
Volume	89
Issue number	4
DOIs	https://doi.org/10.1016/0169-4332(95)00052-6
Publication status	Published - 1995 Aug
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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Kameoka, S., Kuriyama, T., Kuroda, M., Ito, S., & Kunimori, K. (1995). The chemical interaction between plasma-excited nitrogen and the surface of titanium dioxide. Applied Surface Science, 89(4), 411-415. https://doi.org/10.1016/0169-4332(95)00052-6

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AU - Kunimori, K.

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