[HTML][HTML] Strategies to improve the catalytic activity and stability of bioinspired Cu molecular catalysts for the ORR

K Muñoz-Becerra, JH Zagal, R Venegas… - Current Opinion in …, 2022 - Elsevier
The oxygen reduction reaction (ORR) is essential for energy conversion devices such as
fuel cells and metal-air batteries. The use of expensive and scarce noble metal materials to …

Recent advances of Fe–N–C pyrolyzed catalysts for the oxygen reduction reaction

K Muñoz-Becerra, R Venegas, L Duque… - Current Opinion in …, 2020 - Elsevier
This review summarizes recent advances in the development of pyrolyzed M–N–C catalysts
for the oxygen reduction reaction, focusing on activity, stability, and the reactivity descriptors …

Experimental reactivity descriptors of MNC catalysts for the oxygen reduction reaction

R Venegas, K Muñoz-Becerra, C Candia-Onfray… - Electrochimica …, 2020 - Elsevier
Pyrolyzed non-precious metal catalysts (NPMCs) are promising materials to replace
platinum-based catalysts in the cathode of the fuel cells. These catalysts present high …

Charge-Transfer Spectroscopy of Bisaxially Coordinated Iron(II) Phthalocyanines through the Prism of the Lever's EL Parameters Scale, MCD Spectroscopy, and …

DE Nevonen, LS Ferch, BR Schrage… - Inorganic …, 2022 - ACS Publications
The position of the experimentally observed (in the UV–vis and magnetic circular dichroism
(MCD) spectra) low-energy metal-to-ligand charge-transfer (MLCT) band in low-spin iron (II) …

[HTML][HTML] Proving ligand structure-reactivity correlation on multinuclear copper electrocatalysts supported on carbon black for the oxygen reduction reaction

R Venegas, K Muñoz-Becerra, S Juillard, L Zhang… - Electrochimica …, 2022 - Elsevier
Bioinspired transition-metal catalysts seek to mimic the specific active site of
metalloenzymes, as the multicopper oxidase, that can efficiently reduce dioxygen to water …

Accurate Prediction of Mössbauer Hyperfine Parameters in Bis-Axially Coordinated Iron (II) Phthalocyanines Using Density Functional Theory Calculations: A Story …

VN Nemykin, DE Nevonen, LS Ferch, M Shepit… - Inorganic …, 2021 - ACS Publications
Density Functional Theory (DFT) calculations coupled with several exchange-correlation
functionals were used for the prediction of Mössbauer hyperfine parameters of 36 bis …

A novel oxidation-reduction method for highly selective detection of cysteine over reduced glutathione based on synergistic effect of fully fluorinated cobalt …

B Yuan, H Wang, J Cai, Y Peng, Y Niu, H Chen… - Sensors and Actuators B …, 2019 - Elsevier
Abstract l-Cysteine (Cys) and reduced glutathione (GSH) are important biothiols which are
indicators of diseases risk and health status. However, it is difficult to discriminate them due …

Application of Lever's EL Parameter Scale toward Fe(II)/Fe(III) versus Pc(2-)/Pc(1-) Oxidation Process Crossover Point in Axially Coordinated Iron(II) Phthalocyanine …

VN Nemykin, DE Nevonen, WR Osterloh… - Inorganic …, 2021 - ACS Publications
The electronic structures and, particularly, the nature of the HOMO in a series of PcFeL2,
PcFeL′ L ″, and [PcFeX2] 2–complexes (Pc= phthalocyaninato (2-) ligand; L= NH3, n …

Resolving a Half-Century-Long Controversy between (Magneto)optical and EPR Spectra of Single-Electron-Reduced [PcFe], [PcFeL], and [PcFeX]2– Complexes …

BR Schrage, W Zhou, LA Harrison… - Inorganic …, 2022 - ACS Publications
The reduction of iron (II) phthalocyanine (Pc (2−) FeII) or its bisaxially coordinated
complexes results in the formation of the purple/red [PcFe]−,[PcFeL]−, and [PcFeX] 2–(L is …

The Redox‐Active Chromium Phthalocyanine System: Isolation of Five Oxidation States from Pc4−CrI to Pc2−CrIII

W Zhou, JR Thompson, CC Leznoff… - … –A European Journal, 2017 - Wiley Online Library
The preparation and structural characterization of a series of chromium phthalocyanine
complexes with multiple metal and ring oxidation states were achieved using PcCrII (1)(Pc …