Suppressed Lattice Disorder for Large Emission Enhancement and Structural Robustness in Hybrid Lead Iodide Perovskite Discovered by High‐Pressure Isotope Effect
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202009131
Abstract: The soft nature of organic–inorganic halide perovskites renders their lattice particularly tunable to external stimuli such as pressure, undoubtedly offering an effective way to modify their structure for extraordinary optoelectronic properties. Here, using the methylammonium… read more here.
Keywords: structural robustness; lattice disorder; isotope effect; lead iodide ... See more keywords
Isotope effect of methane adsorbed on fcc metal (1 1 1) surfaces
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2021.138943
Abstract: Abstract By means of the van der Waals density functional and quasi-harmonic approximation, we predict that the adsorption potential energies of CD4 on various fcc metal (1 1 1) surfaces are shallower than those of CH4, whereas… read more here.
Keywords: metal surfaces; effect methane; isotope effect; fcc metal ... See more keywords
The mechanisms of HCOOH/HCOO– oxidation on Pt electrodes: Implication from the pH effect and H/D kinetic isotope effect
Sign Up to like & getrecommendations! Published in 2017 at "Electrochemistry Communications"
DOI: 10.1016/j.elecom.2017.05.012
Abstract: Abstract The pH effect and the H/D kinetic isotope effect (KIE) for the oxidation of formic acid/formate anions (FOR) on Pt(111) have been studied. The pH-dependent FOR activity displays a volcano shape with a maximum… read more here.
Keywords: effect; isotope effect; hcooh hcoo; hcoo ... See more keywords
Kinetic isotope effect in the oxygen reduction reaction (ORR) over Fe-N/C catalysts under acidic and alkaline conditions.
Sign Up to like & getrecommendations! Published in 2017 at "Electrochemistry Communications"
DOI: 10.1016/j.elecom.2017.09.004
Abstract: Abstract Heat treated Fe-N/C materials which are highly effective oxygen reduction catalysts in alkaline and acid, show a significant kinetic isotope effect (KIE). The values in acid (~ 3.4) and alkaline (~ 2.5) are much larger than… read more here.
Keywords: isotope effect; kinetic isotope; oxygen reduction;
On the calculation of the inverse isotope effect in PdH(D): A Migdal-Eliashberg theory approach
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2018.03.025
Abstract: Abstract Replacement of hydrogen by deuterium in palladium hydride results in higher superconducting temperatures and in an anomalous isotope effect that has not been yet fully explained. In this work, we try a new approach… read more here.
Keywords: pdh; effect; inverse isotope; isotope effect ... See more keywords
The role of drifts on the isotope effect on divertor plasma detachment in JET Ohmic discharges
Sign Up to like & getrecommendations! Published in 2020 at "Nuclear Materials and Energy"
DOI: 10.1016/j.nme.2020.100836
Abstract: Abstract Experiments in JET-ILW Ohmic confinement mode plasmas show that the line-averaged detachment onset density in deuterium discharges is approx. 10% lower than in hydrogen discharges. The magnitude of the isotope effect on the detachment… read more here.
Keywords: detachment onset; isotope effect; divertor; onset density ... See more keywords
Isotope effect on superconductivity and Raman phonons of Pyrochlore Cd2Re2O7
Sign Up to like & getrecommendations! Published in 2018 at "Physica C: Superconductivity and its Applications"
DOI: 10.1016/j.physc.2018.02.012
Abstract: Abstract Cd2Re2O7 is the only α-Pyrochlore exhibiting superconductivity with a transition temperature (Tc) of ∼ 1 K. In this study, we present the effect of oxygen isotope (18O) as well as combined 18O and cadmium isotope (116Cd)… read more here.
Keywords: isotope; superconductivity raman; isotope effect; superconductivity ... See more keywords
Vibrational analysis of a rate-slowing conformational kinetic isotope effect
Sign Up to like & getrecommendations! Published in 2019 at "Tetrahedron"
DOI: 10.1016/j.tet.2018.12.051
Abstract: Abstract An enthalpy-entropy approach to analyzing a rate-slowing conformational kinetic isotope effect (CKIE) in a deuterated doubly-bridged biaryl system is described. The computed isotope effect (kH/kD = 1.075, 368 K) agrees well with the measured value (kH/kD = 1.06, 368 K).… read more here.
Keywords: isotope; rate slowing; isotope effect; slowing conformational ... See more keywords
Isotope Effect between H2O and D2O in Hydrothermal Synthesis
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.9b04121
Abstract: Synthetic chemists can use different solvents (for example, polar vs nonpolar) to affect solute–solvent interactions and therefore favor a particular reaction product. Using a different isotope of the same solvent to select the product, however,… read more here.
Keywords: effect h2o; h2o; h2o d2o; isotope effect ... See more keywords
Unusual sulfur isotope effect and extremely high critical temperature in H3S superconductor
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-24442-8
Abstract: Recent experiments have set a new record for the transition temperature at which a material (hydrogen sulfide, H3S) becomes superconducting. Moreover, a pronounced isotope shift of TC in D3S is evidence of an existence of… read more here.
Keywords: temperature h3s; isotope effect; temperature; critical temperature ... See more keywords
Primary and secondary isotope effect on tunnelling in malonaldehyde using a quantum mechanical scheme
Sign Up to like & getrecommendations! Published in 2017 at "Molecular Physics"
DOI: 10.1080/00268976.2017.1317371
Abstract: ABSTRACT Primary and secondary isotope effect on tunnelling in malonaldehyde is investigated with reduced-dimensional quantum mechanical models in the saddle-point normal coordinates, where the Hamiltonian takes the imaginary-frequency normal model as the reaction coordinate and… read more here.
Keywords: malonaldehyde; effect tunnelling; secondary isotope; isotope effect ... See more keywords