Nanocatalysis: size-and shape-dependent chemisorption and catalytic reactivity

BR Cuenya, F Behafarid - Surface Science Reports, 2015 - Elsevier
In recent years, the field of catalysis has experienced an astonishing transformation, driven
in part by more demanding environmental standards and critical societal and industrial …

Density functional theory for transition metals and transition metal chemistry

CJ Cramer, DG Truhlar - Physical Chemistry Chemical Physics, 2009 - pubs.rsc.org
We introduce density functional theory and review recent progress in its application to
transition metal chemistry. Topics covered include local, meta, hybrid, hybrid meta, and …

Operando insights into nanoparticle transformations during catalysis

A Bergmann, B Roldan Cuenya - Acs Catalysis, 2019 - ACS Publications
Nanostructured materials play an important role in today's chemical industry, acting as
catalysts in heterogeneous thermal and electrocatalytic processes for chemical energy …

Metastable structures in cluster catalysis from first-principles: structural ensemble in reaction conditions and metastability triggered reactivity

G Sun, P Sautet - Journal of the American Chemical Society, 2018 - ACS Publications
Reactivity studies on catalytic transition metal clusters are usually performed on a single
global minimum structure. With the example of a Pt13 cluster under a pressure of hydrogen …

Carbon monoxide-tolerant platinum nanoparticle catalysts on defect-engineered graphene

G Kim, SH Jhi - ACS nano, 2011 - ACS Publications
We studied catalytic performance, particularly tolerance against CO poisoning and particle
migration, of Pt nanoparticles dispersed on graphene using ab initio calculations. It was …

Combinatorial Search for high‐activity hydrogen catalysts based on transition‐metal‐embedded graphitic carbons

WI Choi, BC Wood, E Schwegler… - Advanced Energy …, 2015 - Wiley Online Library
Transition metal (TM) atoms in porphyrin‐like complexes play important roles in many
protein and enzymetic systems, where crystal‐field effects are used to modify d‐orbital …

Influence of dipole–dipole interactions on coverage-dependent adsorption: CO and NO on Pt (111)

P Deshlahra, J Conway, EE Wolf, WF Schneider - Langmuir, 2012 - ACS Publications
Density functional theory (DFT) calculations of energetic, geometric, vibrational, and
electrostatic properties of different arrangements of CO and NO at quarter and half …

Ab initio study of stability and site-specific oxygen adsorption energies of Pt nanoparticles

L Wang, A Roudgar, M Eikerling - The Journal of Physical …, 2009 - ACS Publications
We have employed ab initio calculations based on density functional theory in order to study
stability and oxygen adsorption energies of Pt nanoparticles. For particles with sizes up to …

Pt-based nanoparticles on non-covalent functionalized carbon nanotubes as effective electrocatalysts for proton exchange membrane fuel cells

W Yuan, S Lu, Y Xiang - Rsc Advances, 2014 - pubs.rsc.org
Due to their unique electronic and mechanical properties, carbon nanotubes (CNTs) have
been attracting much attention as favourite catalyst supports for energy conversion and …

Investigation of solvent effects on the hydrodeoxygenation of guaiacol over Ru catalysts

M Saleheen, AM Verma, O Mamun, J Lu… - Catalysis Science & …, 2019 - pubs.rsc.org
The effects of a liquid phase environment on the hydrodeoxygenation of guaiacol, a
prototypical lignin derived compound, have been investigated over a Ru catalyst from first …