caa a22 4500 46325273X CHVBK 20180405153345.0 cr unu---uuuuu 170326e20070401xx s 000 0 eng 10.1007/s10562-007-9051-7 doi (NATIONALLICENCE)springer-10.1007/s10562-007-9051-7 Supported iridium catalysts prepared by atomic layer deposition: effect of reduction and calcination on activity in toluene hydrogenation [Elektronische Daten] [R. Silvennoinen, O. Jylhä, M. Lindblad, H. Österholm, A. Krause] Ligand removal from supported iridium catalysts prepared by atomic layer deposition from Ir(acac)3 was studied by direct reduction in hydrogen flow and by calcination in oxygen flow followed by reduction in hydrogen flow, as well as by thermogravimetric analysis. Thermal decomposition of acac ligand residuals required high temperatures, and in samples containing no iridium the removal of carbonaceous species was not complete. Metallic iridium particles less than 2nm in size were formed during direct reduction and larger particles upon calcination followed by reduction. The activity of the catalysts in toluene hydrogenation in most cases depended on particle size. Springer Science+Business Media, LLC, 2007 iridium catalysts nationallicence toluene hydrogenation nationallicence reduction nationallicence calcination nationallicence atomic layer deposition nationallicence ALD nationallicence Silvennoinen R. Laboratory of Industrial Chemistry, Helsinki University of Technology, P.O. Box 6100, FI-02015, Helsinki, Finland aut Jylhä O. Laboratory of Industrial Chemistry, Helsinki University of Technology, P.O. Box 6100, FI-02015, Helsinki, Finland aut Lindblad M. Neste Oil Corporation, P.O. Box 310, FI-06101, Porvoo, Finland aut Österholm H. Neste Oil Corporation, P.O. Box 310, FI-06101, Porvoo, Finland aut Krause A. Laboratory of Industrial Chemistry, Helsinki University of Technology, P.O. Box 6100, FI-02015, Helsinki, Finland aut Catalysis Letters Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 114/3-4(2007-04-01), 135-144 1011-372X 114:3-4<135 2007 114 10562 https://doi.org/10.1007/s10562-007-9051-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10562-007-9051-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Silvennoinen R. Laboratory of Industrial Chemistry, Helsinki University of Technology, P.O. Box 6100, FI-02015, Helsinki, Finland aut NATIONALLICENCE 700 1- Jylhä O. Laboratory of Industrial Chemistry, Helsinki University of Technology, P.O. Box 6100, FI-02015, Helsinki, Finland aut NATIONALLICENCE 700 1- Lindblad M. Neste Oil Corporation, P.O. Box 310, FI-06101, Porvoo, Finland aut NATIONALLICENCE 700 1- Österholm H. Neste Oil Corporation, P.O. Box 310, FI-06101, Porvoo, Finland aut NATIONALLICENCE 700 1- Krause A. Laboratory of Industrial Chemistry, Helsinki University of Technology, P.O. Box 6100, FI-02015, Helsinki, Finland aut NATIONALLICENCE 773 0- Catalysis Letters Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 114/3-4(2007-04-01), 135-144 1011-372X 114:3-4<135 2007 114 10562 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer