Widegren, JasonBennett, MartinFinke, Richard2015-12-132015-12-130002-7863http://hdl.handle.net/1885/87852A reinvestigation of the true catalyst in a benzene hydrogenation system beginning with Ru(II)-(η6-C6Me6)(OAc) 2 as the precatalyst is reported. The key observations leading to the conclusion that the true catalyst is bulk ruthenium metal particles, andKeywords: Benzene; Chemical vapor deposition; Hydrogenation; Kinetic theory; Nucleation; Precatalyst; Catalysis; benzene; mercury; metal; metal complex; polycyclic aromatic hydrocarbon; ruthenium; article; catalysis; catalyst; film; hydrogenation; kinetics; transmiIs it homogeneous or heterogeneous catalysis? Identification of bulk ruthenium metal as the true catalyst in benzene hydrogenations starting with the monometallic precursor, Ru(II)( η 6 -C 6 Me 6 )(OAc) 2 , plus kinetic characterization of the heterogeneous nucleation, then autocatalytic surface-growth mechanism of metal film formation200310.1021/ja021436c2015-12-12