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Acetone monolayers were prepared on C covered Pt(111) surfaces and exposed to gaseous H(D) atoms at 90K. Reaction products were investigated with HREELS and TDS methods. Two major reaction pathways were identified: (1) transformation of acetone to isopropanol via two consecutive hydrogenation steps; (2) H abstraction from acetone methyl groups with subsequent rehydrogenation of the methylene group...
Graphite islands of various coverages were prepared on Pt(111) surfaces by thermal decomposition of ethane. The reactions of gaseous H (D) atoms with these islands were investigated at 90 and 380K substrate temperatures with LEED, AES, TDS and HREELS methods. Armchair and zig-zag edge C atoms at the graphite islands react with H (D) to form monohydride CH (CD) groups with sp 3 type bonding...
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