منابع مشابه
Nanomagnetic control of intersystem crossing.
A theory is presented for how magnetic nanostructures can catalyze intersystem crossing in molecular radical pairs. Magnetic field gradients near physically realistic nanostructures are strong enough to induce a relative reorientation of two electronic spins in <1 ns, overwhelming nuclear hyperfine coupling as a driver of intersystem crossing. Nanomagnetic control of intersystem crossing repres...
متن کاملStudies of intersystem crossing dynamics in acetylene.
We report a new ab initio study of the acetylene T3 potential energy surface, which clarifies the nature of its energy minimum, and present computed equilibrium geometries and diabatic frequencies. This information enables the computation of harmonic vibrational overlap integrals of T3 vibrational levels with the S1 3nu3 state. The results of this calculation support the interpretation of two l...
متن کاملThe Intersystem Crossing to and the
The observed exponential phosphorescence decay of pyrazlne In cyclohexane or benzene matrix at 77K, with lifetime of 18 millisec, is found to change into a complex decay below 10'%:. At 1.6K, the decay is resolved Into three first-order decays of lifetimes 6, 130 and 400 millisec. These lifetimes are sensitive to changes in temperature and magnetic field strength (Hall, Armstrong, Moomaw and El...
متن کاملInverse Deuterium Isotope Effect in the Intersystem Crossing of Diphenylcarbene
They are important chemical intermediates whose spin state dependent chemistry is implicated in a large number of organic reactions [l-4]. An important feature relevant to an understanding of many of their physical and chemical properties is the small energy gap separating the lowest singlet and triplet states. In fact for a number of carbenes these two states are in equilibrium at room tempera...
متن کاملReverse Intersystem Crossing from a Triplet State of Rose Bengal
36 LLE Review, Volume 77 Photodynamic therapy is a treatment in which the combination of a dye, light, and oxygen causes photochemically induced cell death. Observations of this effect occurred at least as early as the end of the last century. In 1900, Raab reported that the dye acridine rapidly killed paramecia when exposed to light, but had no effect in the dark.1 This observation quickly ins...
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1977
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.50.879