Results 41 to 50 of about 45,358 (304)

Resolving the Cu(bdc) Conundrum: Identifying Non‐Porous Packing of Prototypical Coordination‐Network Thin Films Combining Advanced Diffraction Techniques and Computational Modelling

open access: yesAdvanced Functional Materials, EarlyView.
Solution‐processed Cu(bdc) forms prototypical MOF thin films for which a multitude of not fully satisfactory structural models have been suggested. Combining rotating grazing‐incidence diffraction and X‐ray reflectivity on two complementary samples with density‐functional theory, we first discard the previously suggested models and then identify a non ...
Narges Taghizade   +7 more
wiley   +1 more source

Characterization of porphyrin-based biomimetic systems for artificial photosynthesis using Electron Paramagnetic Resonance (EPR) spectroscopy coupled with optical technique

open access: yes, 2022
noneThis work focuses on advanced Electron Paramagnetic Resonance (EPR) techniques for the investigation of the photoexcited triplet state of porphyrins.
CARELLA, ANGELO
core  

A tailored multi-frequency EPR approach to accurately determine the magnetic resonance parameters of dynamic nuclear polarization agents: application to AMUPol [PDF]

open access: yes, 2017
To understand the dynamic nuclear polarization (DNP) enhancements of biradical polarizing agents, the magnetic resonance parameters need to be known. We describe a tailored EPR approach to accurately determine electron spin-spin coupling parameters using
Baldus, M   +13 more
core   +1 more source

Perspective on methane capture strategies from natural low-level emissions

open access: yesEnergy Nexus
Climate change is a pressing issue that confronts human existence in today’s world, and its consequences have already started manifesting at a more rapid rate. The biggest culprit of climate change is methane (CH4), a potent greenhouse gas. Consequently,
Dhanalakshmi Vadivel   +3 more
doaj   +1 more source

Long‐Range Coordination Environment Modulates Single‐Atom Local States and Systemic Impact on CO2 Photoconversion

open access: yesAdvanced Functional Materials, EarlyView.
Terminal groups on Cu porphyrins modulate the electronic states of single‐atom Cu centers through a long‐range electronic effect, without altering the Cu coordination geometry. Meanwhile, a multi‐descriptor framework is established that incorporates porphyrin regulation, hybrid catalyst properties, and CO2 photoreduction capabilities.
Yi Zhang   +13 more
wiley   +1 more source

In One Fell Sweep: Modeling Exchange, Hyperfine and Dipolar Interactions from EPR Spectra of Copper(II) Spin Triangles

open access: yesMagnetochemistry, 2023
The weak intramolecular magnetic interactions within a series of CuII3 complexes based on the trinucleating 2,4,6-tris(di-2-pyridylamino)-1,3,5-triazine (dipyatriz) ligand were investigated via Electron Paramagnetic Resonance (EPR) spectroscopy. X- and Q-
Athanassios K. Boudalis
doaj   +1 more source

Steering Oxygen Activation Pathways via Redox Dual‐Defects in 2D Hydrated WO3 for High‐Yield Singlet Oxygen Evolution

open access: yesAdvanced Functional Materials, EarlyView.
Redox dual‐defects (Cs substitution and O vacancies) in 2D hydrated WO3 steer O2 activation toward selective singlet oxygen evolution. WO‐CO achieves 8.6–15.8 times higher 1O2 production than single‐defect or pristine catalysts, enabling efficient pollutant mineralization via a pathway‐selective photocatalytic mechanism.
Sheng‐Qi Guo   +8 more
wiley   +1 more source

Analysis of influenza A virus NS1 dimer interfaces in solution by pulse EPR distance measurements

open access: yes, 2014
H.L.T. was supported by the University of St Andrews; S.A.J. is supported by the BBSRC, U.K.; P.S.K. is supported by the Medical Research Council, U.K.; B.E.B.
Kerry, Philip S   +9 more
core   +1 more source

Identification of fish irradiation by EPR spectrometry: Signal intensity and stability [PDF]

open access: yesE3S Web of Conferences
In this work, the application of electron paramagnetic resonance spectroscopy for assessing the irradiation of fish is described. Pink salmon was chosen as the research object and irradiated at 3 and 6 kGy doses. A linear correlation was observed between
Medzhidov Ibragim   +3 more
doaj   +1 more source

Interface Effects in Ultrathin Silicon on Insulator Films

open access: yesAdvanced Functional Materials, EarlyView.
This work establishes a systematic framework to discriminate how bulk and interface phenomena affect charge transport in ultrathin P‐doped silicon‐on‐insulator (SOI) films. For Si films below 15 nm, electrical characterization demonstrates that interface states drive charge transport, shifting the metal‐insulator transition (MIT) critical dopant ...
Andrea Pulici   +8 more
wiley   +1 more source

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