Results 151 to 160 of about 444,160 (373)

FT-IR SPECTROSCOPY OF ELECTROCHEMICALLY SYNTHESIZED POLYPYRROLE

open access: yesAnalytical Sciences, 1991
FT-IR relfection absorption spectroscopy (RAS) was used to determine chemical structural changes of conducting polypyrrole (PPy) films which were electrochemically grown on platinum (Pt) electrodes at various stages of polymerization. Results indicated that the doping degrees of counter anion in PPy films are different during the process of ...
JI-YE JIN   +3 more
openaire   +2 more sources

High‐Yield Synthesis of Fe‐NC Electrocatalysts Using Mg2+ Templating and Schiff‐Base Porous Organic Polymers

open access: yesAdvanced Functional Materials, EarlyView.
Fe─NC porous oxygen reduction electrocatalysts are prepared employing a 2,4,6‐Triaminopyrimidine‐based porous organic polymer, a Mg2+ Lewis acid, and a low‐temperature cation exchange protocol. Using the polymer precursor achieves high pyrolysis yields and results in atomically dispersed FeNx sites. The resulting catalysts feature hierarchical porosity
Eliot Petitdemange   +11 more
wiley   +1 more source

Nickel(II) and Copper(II) Complexes of a New Tetradentate Schiff Base Ligand: Synthesis, Characterization, Thermal Studies and Use as Precursors for Preparation of NiO and CuO Nanoparticles [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2018
A new tetradentate N2O2 Schiff base ligand (MeO-bph)2bn = N,N¢-bis(2-hydroxy-4-methoxybenzophenone)-1,4-butanediamine was prepared from the condensation of butane-1,4-diamine with 4-methoxy-2-hydroxybenzophenone and characterized by 1H-NMR spectroscopy ...
Aliakbar Dehno Khalaji   +3 more
doaj  

Analysis of Rotation-Vibration Bands of Sulfine, (CH2SO), by FT-IR and Microwave Spectroscopy [PDF]

open access: bronze, 1984
Yoshinori Koga   +4 more
openalex   +1 more source

Tuning the Electronic Structure and Spin State of Fe─N─C Catalysts Using an Axial Oxygen Ligand and Fe Clusters for High‐Efficiency Rechargeable Zinc–Air Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A FeN4─O/Clu@NC‐0.1Ac catalyst containing atomically‐dispersed FeN4─O sites (medium‐spin Fe2+) and Fe clusters delivered a half‐wave potential of 0.89 V for ORR and an overpotential of 330 mV at 10 mA cm−2 for OER in 0.1 m KOH. When the catalyst was used in a rechargeable Zn–air battery, a power density of 284.5 mW cm−2 was achieved with excellent ...
Yongfang Zhou   +8 more
wiley   +1 more source

Early identification of the nosocomial spread of vancomycin-resistant Enterococcus faecium by Fourier-transform infrared spectroscopy and performance comparison with PFGE and WGS

open access: yesEmerging Microbes and Infections
Early detection of disseminating vancomycin-resistant Enterococcus faecium (VREfm) in ICU wards is crucial for outbreak identification and the implementation of prompt infection control measures.
Cristina Pitart   +24 more
doaj   +1 more source

Far infrared spectroscopy on the three-dimensional dilute antiferromagnet Fe(x)Zn(1-x)F2

open access: yes, 2001
Fourier-transform Infrared (FT-IR) Spectroscopy measurements have been performed on the three-dimensional dilute antiferromagnet Fe(x)Zn(1-x)F2 with x=0.99 ~ 0.58 in far infrared (FIR) region.
Belanger, D. P.   +2 more
core   +1 more source

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