Effects of co-adsorbed water on different bond cleavages of oxygenates on Pd (111)

KC Chukwu, L Árnadóttir - ACS Catalysis, 2021 - ACS Publications
Experimental studies have shown that co-adsorbates and solvents affect both the activity
and selectivity of heterogeneous catalysts, but how they affect different bond cleavages and …

Density functional theory study of decarboxylation and decarbonylation of acetic acid on Pd (111)

KC Chukwu, L Arnadottir - The Journal of Physical Chemistry C, 2020 - ACS Publications
Acetic acid (CH3COOH) decomposition over the Pd (111) surface is a good model system
for decomposition of acids and small oxygenates common in biomass conversion. Here we …

Ambient-pressure X-ray photoelectron spectroscopy study of acetic acid thermal decomposition on Pd (111)

HKK Nguyen, R Addou, KC Chukwu… - The Journal of …, 2023 - ACS Publications
Acetic acid on Pd (111) is an excellent model system to study the effect of water on thermal
decomposition of fatty acids and other oxygenates. Acetic acid is a simple molecule that has …

Theoretical investigation of the hydrodeoxygenation of methyl propionate over Pd (111) model surfaces

S Behtash, J Lu, A Heyden - Catalysis Science & Technology, 2014 - pubs.rsc.org
Esters are one of the key components of lipid-rich biomass feedstocks that are potential raw
materials for production of green fuels. We present a thorough density functional theory and …

Investigating the Elusive Nature of Atomic O from CO2 Dissociation on Pd(111): The Role of Surface Hydrogen

JP Simonovis, H Zhang, N Rui, A Hunt… - The Journal of …, 2022 - ACS Publications
CO2 dissociation is a key step in CO2 conversion reactions to produce value-added
chemicals typically through hydrogenation. In many cases, the atomic O produced from CO2 …

Solvent effects on the hydrodeoxygenation of propanoic acid over Pd (111) model surfaces

S Behtash, J Lu, M Faheem, A Heyden - Green Chemistry, 2014 - pubs.rsc.org
The effects of liquid water, n-octane, and n-butanol on the hydrodeoxygenation of propanoic
acid over Pd (111) model surfaces have been studied from first principles. We developed a …

Insight into carbon formation from acetic acid decomposition over Pd (100) via density functional theory calculations

Y Yu, X Sun, M Zhang - Surface Science, 2017 - Elsevier
The mechanism of carbon deposition in acetic acid/palladium system is of great research
significance in the catalytic field. In order to illustrate the plausible carbon formation routes, a …

Theoretical investigation of the reaction mechanism of the decarboxylation and decarbonylation of propanoic acid on Pd (111) model surfaces

J Lu, S Behtash, A Heyden - The Journal of Physical Chemistry C, 2012 - ACS Publications
Conversion of biomass into fuels or chemicals often requires a processing step limited by
hydrodeoxygenation of organic acids. Various pathways have been proposed for the …

Dehydrogenation versus decarbonylation of oxygenates on Pd (110): pure, clean Pd is a Poor Catalyst

M Bowker, L Gilbert, J Counsell… - The Journal of Physical …, 2010 - ACS Publications
Clean, pure Pd is a dehydrogenation catalyst and will crack many organic molecules
interacting with it down to basic components, generally carbon, CO, and hydrogen …

Activation of methyl acetate on Pd (111)

L Xu, Y Xu - Surface science, 2010 - Elsevier
The adsorption and activation of methyl acetate (CH3COOCH3), one of the simplest
carboxylic esters, on Pd (111) have been studied using self-consistent periodic density …