Room-temperature oxidation of reduced Cu/ZnO surfaces by lattice oxygen diffusion

Catalysis Letters - Tập 114 - Trang 185-191 - 2007
Jesse A. Ahlers1, Jordan A. Grasser1, Brett T. Loveless1, Darrin S. Muggli1
1Department of Chemical Engineering, University of North Dakota, Grand Forks, USA

Tóm tắt

At room temperature in the absence of gas-phase oxygen, reduced Cu on Cu/ZnO extracts oxygen from the ZnO lattice to reoxidize the surface. After 120 min at room temperature, diffusion of lattice oxygen reoxidizes reduced Cu/ZnO to 3% of its completely oxidized state. When gas-phase oxygen is present, it promotes the partial reoxidation of the reduced Cu/ZnO surface at room-temperature.

Tài liệu tham khảo

Li S.L., Chen G.W., Jiao F.J., Li H.Q. (2004) Chin. J. Catal. 25:979 Turco M., Bagnasco G., Costantino U., Marmottini F., Montanari T., Ramis G., Busca G. (2004) J. Catal. 228:43 Turco M., Bagnasco G., Costantino U., Marmottini F., Montanari T., Ramis G., Busca G. (2004) J. Catal. 228:56 C. Horny, Kiwi Minsker L., Renken A. (2004) Chem. Eng. J. 101:3 Iwasa N., Nomura W., Mayanagi T., Fujita S., Arai M., Takezawa N. (2004) J. Chem. Eng. Jpn. 37(2):286, Special Iss. SI Marino F., Boveri M., Baronetti G., Laborde M. (2004) Int. J. Hydrogen Energy 29:67 Agrell J., Boutonnet M., Melian Cabrera I., Fierro J.L.G. (2003) Appl. Catal. A Gen. 253:201 Agrell J., Boutonnet M., Fierro J.L.G. (2003) Appl. Catal. A Gen. 253:213 Agrell J., Birgersson H., Boutonnet M., Melian Cabrera I., Navarro R.M., Fierro J.L.G. (2003) J. Catal. 219:389 Espinosa L.A., Lago R.M., Pena M.A., Fierro J.L.G. (2003) Top. Catal. 22:245 Navarro R.M., Pena M.A., Fierro J.L.G. (2002) J. Catal. 212:112 Raimondi F., Geissler K., Wambach J., Wokaun A. (2002) Appl. Surf. Sci. 189:59 Agrell J., Hasselbo K., Jansson K., Jaras S.G., Boutonnet M. (2001) Appl. Catal. A Gen. 211:239 Klier K. (1982) Adv. Catal. 31:243 Waugh K.C. (1992) Catal. Today 15:51 Yurieva T., Plyasova L.M., Makarova O.V., Krieger T.A. (1996) J. Mol. Catal. A Chem. 113:455 Fujitani T., Nakamura J. (2000) Applied Catalysis a General 191:111 Nakamura J., Uchijima T., Kanai Y., Fujitani T. (1996) Catal. Today 28:223 Nakamura J., Nakamura I., Uchijima T., Kanai Y., Watanabe T., Saito M., Fujitani T. (1996) J. Catal. 160:5 Topsøe N.Y., Topsøe H. (1999) Top. Catal. 8:267 Grunwaldt J.D., Molenbroek A.M., Topsøe N.Y., Topsøe H., Clausen B.S. (2000) J. Catal. 194:452 Chinchen G.C., Waugh K.C. (1986) Appl. Catal. A Gen. 25:101 Choi Y., Stenger H.G. (2002) Appl. Catal. B Environ. 38:259 Gunter M.M., Ressler T., Jentoft R.E., Bems B. (2001) J. Catal. 203:133 Shen G.C., Fujita S., Matsumoto S., Takezawa N. (1997) J. Mol. Catal. A Chem. 124:123 Alejo L., Lago R., Pena M.A., Fierro J.L.G. (1997) Appl. Catal. A Gen. 162:281 Reitz T.L., Lee P.L., Czaplewski K.F., Lang J.C., Popp K.E., Kung H.H. (2001) J. Catal. 199:193 Topsøe N.Y., Topsøe H. (1999) J. Mol. Catal. A Chem. 141:95 Jung K.D., Joo O.S., Han S.H. (2000) Catal. Lett. 68:49