Results 1 to 10 of about 713 (97)

Operando insights on stable Cu2+ active sites for efficient electrochemical CO2-to-C2H4 conversion [PDF]

open access: yesNature Communications
Copper catalysts feature unique superiorities for the electrochemical conversion of CO2 to C2+ fuels and chemicals. Their surface oxidation states dominantly determine the reaction pathways to various products. However, most Cu-based catalysts inevitably
Zonghang Zhang   +8 more
doaj   +2 more sources

Ni Single‐Atom Modulation of Ti‐O Covalency Boosts Ammonia Oxidation Electrocatalysis [PDF]

open access: yesAdvanced Science
Non‐noble transition metal oxides, particularly TiO2‐based systems, can be an alternative to noble metal‐based catalysts for the electrochemical ammonia oxidation reaction (AOR) due to their abundance, low cost, and corrosion resistance, but it remains ...
Subhash Chandra Shit   +7 more
doaj   +2 more sources

Unraveling the Role of MoOx Clusters in Ternary Mo/Co3NiOx for Boosting Acidic Oxygen‐Evolution Performance [PDF]

open access: yesAdvanced Science
Developing efficient transition metal electrocatalysts with low cost for the acidic oxygen evolution reaction (OER) confronts an enormous challenge. This work reveals the promising potential of ternary Mo/Co3NiOx OER electrocatalysts, exhibiting good ...
Qiong Zeng   +6 more
doaj   +2 more sources

Plasmonic Resonant Nanoantennas Induce Changes in the Shape and the Intensity of Infrared Spectra of Phospholipids

open access: yesMolecules, 2021
Surface enhanced infrared absorption spectroscopic studies (SEIRAS) as a technique to study biological molecules in extremely low concentrations is greatly evolving.
Fatima Omeis   +10 more
doaj   +1 more source

Sol–Gel Ceramics for SEIRAS and SERS Substrates

open access: yesCrystals, 2021
Surface Enhanced Infrared Absorption Spectroscopy and Surface Enhanced Raman Spectroscopy are analytic techniques that have not been massively adopted since there are issues that still need to be solved with regard to the nature of the signal enhancement
Jesús Alberto Garibay’Alvarado   +1 more
doaj   +1 more source

Elucidating the structure-stability relationship of Cu single-atom catalysts using operando surface-enhanced infrared absorption spectroscopy

open access: yesNature Communications, 2023
Understanding the structure-stability relationship of catalysts is imperative for the development of high-performance electrocatalytic devices. Herein, we utilize operando attenuated total reflectance surface-enhanced infrared absorption spectroscopy ...
Li Zhang   +12 more
doaj   +1 more source

Adsorption of ionomer and ionic liquid on model Pt catalysts for polymer electrolyte fuel cells

open access: yesElectrochemical Science Advances, 2023
The adsorption of the perfluoro‐sulfonic acid polymer of Nafion and ionic liquid (IL) of 1‐butyl‐3‐methylimidazolium bis(trifluoromethanesulfonyl)imide on the surface of Pt was investigated via voltammetric analyses, using stepped Pt single‐crystal ...
Kensaku Kodama, Kenta Motobayashi
doaj   +1 more source

Monitoring the Progression of Cell-Free Expression of Microbial Rhodopsins by Surface Enhanced IR Spectroscopy: Resolving a Branch Point for Successful/Unsuccessful Folding

open access: yesFrontiers in Molecular Biosciences, 2022
The translocon-unassisted folding process of transmembrane domains of the microbial rhodopsins sensory rhodopsin I (HsSRI) and II (HsSRII), channelrhodopsin II (CrChR2), and bacteriorhodopsin (HsBR) during cell-free expression has been investigated by ...
Kenichi Ataka   +5 more
doaj   +1 more source

In-situ Analysis of CO2 Electroreduction on Pt and Pt Oxide Cathodes

open access: yesElectrochemistry, 2020
The issue of excessive amounts of CO2 in the atmosphere has promoted the study of methods of removing it from the atmosphere. In the field of electrochemistry, electroreduction of CO2 has become an area of significant scientific interest.
Keisuke OHKUBO   +3 more
doaj   +1 more source

Surface Enhanced Infrared Absorption Studies of SiO2–TiO2–Ag Nanofibers: Effect of Silver Electrodeposition Time on the Amplification of Signals

open access: yesCrystals, 2021
Surface Enhanced on Infrared Absorption (SEIRAS) and Raman Spectroscopy (SERS) are nondestructive analytic techniques used to detect low concentrations and recognize the fingerprints of molecules.
Blanca Selenis Cabello-Ribota   +2 more
doaj   +1 more source

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