Adsorption properties of acrolein, propanal, 2-propenol, and 1-propanol on Ag(111)

Abstract

Reflection absorption infrared spectroscopy and temperature programmed desorption were used to study the adsorption of acrolein, its partial hydrogenation products, propanal and 2-propenol, and its full hydrogenation product, 1-propanol on...

Adsorption of acrolein and its hydrogenation products on Cu(111)

“…In addition, a broad redshifted OH stretch is observed for all exposures, indicating hydrogen bonding between 1-propanol molecules. The peaks observed in this study are compared to previous studies of the gas phase and adsorbed 1-propanol on Ag(111), 23 Cu(111), 20 Rh(111), 21 and Ru(001) 27 surfaces in Table 4.…”

“…Here, we do not observe any features indicating cis -acrolein on Cu(111), and previous studies have shown that trans -acrolein is the most stable form on Ag surfaces. 14,23 Table 1 presents the assignments of the peaks seen here to the vibrational modes of trans -acrolein and a comparison to the peak positions previously reported for adsorbed acrolein.…”

“…Gas phase (Gg) 31 Gas phase (Cg) 31 Gas phase (Ct) previous studies of the gas phase and adsorbed 1-propanol on Ag(111), 23 Cu(111), 20 Rh(111), 21 and Ru(001) 27 surfaces in Table 4. Fig.…”

“…22 Here, we focus on comparing results obtained on Cu(111) with our recent study of these four molecules on Ag(111). 23…”

Direct conversion of glycerol to n-propanol over a tandem catalytic dehydration–hydrogenation system

“…Accordingly, it is possible that acrolein could be the cause of deactivation. It has generally been reported in the literature that acrolein has a strong adsorption 56,57 and can be readily converted to higher molecular weight molecules, presumably via oligomerization. 58 This can be verified by flushing the catalyst with H 2 while running the reaction.…”