Fe3O4 Templated Pyrolyzed Fe−N−C Catalysts. Understanding the role of N‐Functions and Fe3C on the ORR Activity and Mechanism

R Venegas, C Zúñiga, JH Zagal… - …, 2022 - Wiley Online Library
Pyrolyzed non‐precious metal catalysts have been proposed as an alternative to substitute
the expensive and scarce noble metal catalysts in several conversion energy reactions. For …

Olefin oligomerization by main group Ga3+ and Zn2+ single site catalysts on SiO2

NJ LiBretto, Y Xu, A Quigley, E Edwards… - Nature …, 2021 - nature.com
In heterogeneous catalysis, olefin oligomerization is typically performed on immobilized
transition metal ions, such as Ni2+ and Cr3+. Here we report that silica-supported, single …

Using reactivity predictors for enhancing the electrocatalytic activity of MN4 molecular catalysts for the oxygen reduction reaction: The role of the N-pyridinium …

L Scarpetta-Pizo, R Venegas, K Muñoz-Becerra… - Electrochimica …, 2023 - Elsevier
Using reactivity predictors to enhance or control the electrocatalytic activity of materials is a
fascinating concept. This is especially true for the development of alternative platinum metal …

Reactivity descriptors for Cu bis-phenanthroline catalysts for the hydrogen peroxide reduction reaction

K Muñoz-Becerra, DF Báez, JH Zagal, S Bollo… - Electrochimica …, 2020 - Elsevier
Following previous studies where the metal-centered redox potentials of MN4 complexes
are proposed as a reactivity descriptor for different electrochemical reactions, in the present …

Can chemical reactivity descriptors explain catalytic reactivity?

H Tandon, P Yadav, T Chakraborty, V Suhag - Journal of Organometallic …, 2022 - Elsevier
Chemical reactivity descriptors are significant tools to study various systems and processes.
In order to explore their role in the prediction of catalytic activity, we have presented a …

Neutral and cationic methallyl nickel complexes in alkene activation: a combined DFT, ESI-MS and chemometric approach

OS Trofymchuk, DE Ortega… - Catalysis Science & …, 2021 - pubs.rsc.org
Herein, we report a comparative study of ethylene activation and 1-hexene isomerization
carried out with isomeric neutral and cationic methallyl nickel complexes L1Ni (η3-C3H5) …

The Role of Co‐Activation and Ligand Functionalization in Neutral Methallyl Nickel (II) Catalysts for Ethylene Oligomerization and Polymerization

DE Ortega, D Cortés‐Arriagada… - … A European Journal, 2017 - Wiley Online Library
A detailed quantum chemical study that analyzed the mechanism of ethylene
oligomerization and polymerization by means of a family of four neutral methallyl NiII …

B (C6F5) 3 promotes the catalytic activation of [N, S]-ferrocenyl nickel complexes in ethylene oligomerization

B Rodriguez, D Cortes-Arriagada… - Applied Catalysis A …, 2018 - Elsevier
The synthesis of new methallyl-ferrocenyl-thiazoline-nickel complexes [1-(2-thiazolin-2-yl)-2-
(R-thio)-ferrocene-κ 2 N, S]-(η 3-methallyl) nickel (II)[Y](1-3, R= Me, i-Pr, Ph, Y= BF 4-4, R …

Promotion of B(C6F5)3 as Ligand for Titanium (or Vanadium) Catalysts in the Copolymerization of Ethylene and 1-Hexene: A Computational Study

S Yu, C Zhang, F Wang, X Liang, M Yang, M An - Polymers, 2023 - mdpi.com
Density functional theory (DFT) is employed to investigate the promotion of B (C6F5) 3 as a
ligand for titanium (or vanadium) catalysts in ethylene/1-hexene copolymerization reactions …

Mechanistic details of ethylene polymerization reaction using methallyl nickel (ii) catalysts

DE Ortega, D Cortés-Arriagada… - Physical Chemistry …, 2018 - pubs.rsc.org
The mechanism of ethylene polymerization by means of neutral methallyl-Ni (II) complexes
has been studied by quantum chemical calculations. Two isomer complexes having different …