Applied Surface Science, Dec 15, 2012, Vol.263, p.230(6)
To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.apsusc.2012.09.035 Byline: Junji Ito (a)(b), Yasunari Hanaki (a), Qing Shen (b)(c)(d), Taro Toyoda (b)(c) Keywords: Platinum; Aluminum oxide; Photoexcited electron; Transient grating technique; Carrier dynamics; Electron transfer Abstract: a* We determined the decay time of photoexcited electrons of Pt/Al.sub.2O.sub.3. a* Faster decay of excited electrons in Pt/Al.sub.2O.sub.3 leads to its faster oxidation rate. a* Decreasing excited electron lifetime in Pt/Al.sub.2O.sub.3 may decrease Pt consumption in catalytic convertors. Author Affiliation: (a) Advanced Materials Laboratory, Nissan Research Center, NISSAN MOTOR CO., LTD., 1 Natsushima-cho, Yokosuka-shi, Kanagawa 237-8523, Japan (b) Department of Applied Physics and Chemistry, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan (c) Department of Engineering Science, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan (d) PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan Article History: Received 2 June 2012; Revised 30 August 2012; Accepted 9 September 2012
Aluminum Oxide ; Electrons
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