The oscillation is contributed to small thermally activated fluctuations within the simulation, showing that even at 100 K the thermal fluctuations possess sufficient energy to bring these states into regions of strong electronic coupling
where [lambda] is the reorganization energy, [V.sub.DA] is the electronic coupling
between donor and acceptor, [DELTA]G is the free energy change for the electron transfer reaction, [k.sub.B] is the Boltzmann constant, h is the Planck's constant, and T is the temperature (we set T = 298 K in our calculations).
"The signal is triggered as a result of an electronic coupling
instead of a geometric change in the chromophore's structure as previously hypothesized.
Their wideband design relies on a backplane structure and takes advantage of the electronic coupling
that takes place between the elements of an antenna array.
Lever, FCIC, York University, Toronto, ON, chemistry: 'Electrochemical Parameter Theory and Electronic Coupling
in Binuclear Complexes; Towards Molecular Electronic Devices'.
What if that data saved you 10 bucks at the grocery store with "electronic coupling
," alerting you to specials in the organic fruit aisle, as well as the freezer case?
High precision experiments show that sudden changes in electron dispersion curves (kinks) occur from electronic coupling
to optical phonon modes, like half-breathing oxygen modes .
The team describes in the journal Science how substituting the insulating organic molecules with novel inorganic molecules dramatically increases the electronic coupling
One exciting discovery is that substituting tin oxide ([SnO.sub.2]) for [TiO.sub.2] sufficiently chang es the acceptor levels and electronic coupling
efficiencies to produce cells with absorbed photon-to-current efficiencies approaching 40 %, constant across the visible spectrum.
This work has single handedly characterized all the relevant photo physical and photoelectrochemical processes operating at surfaces, from high field transport, interfacial electronic coupling
, solvent repolarization to electron relaxation dynamics.