Fluorescence and phosphorescence are photon emission processes that occur during molecular relaxation from electronic excited states. These photonic processes involve transitions between electronic and vibrational states of polyatomic fluorescent molecules (fluorophores). The Jablonski diagram (Figure 1) offers a convenient representation of the excited state structure and the relevant transiti...

A travelling waves analysis for a polyatomic gas with n internal energy storage modes is performed. In both the frozen ow and the equilibrium limit the existence and the qualitative behaviour of travelling waves are investigated. Methods from geometric singular perturbation theory are used to study these limits.

Studies on the charge-transfer reactions between translationally excited polyatomic ions and the neutral target gas used for collisional activation/collision-induced dissociation are described. These studies demonstrate an additional area where Fourier-transform mass spectrometry can be used to probe the fundamentals of ion/neutral interactions, viz., target gas excitation which competes with c...

this study concerns about quantum chemical modeling behavior of 02 on cr (100)surface by using density functional theory (dft) by lanl2dz and 6 — 31g* basissets, we presented the results of our first principles electronic structure calculationson the 02 molecules and their interface with cr (100) surface. the chromium metalhas the body-centered cubic structure, and chromium cluster has five cr ...

With the aim of enhancing the comprehension of the cation‐π interaction, a computational study of the interaction established between sumanene molecule and various cations was performed. Sumanene is a polycyclic aromatic hydrocarbon with a bowl‐shaped structure. The curvature of the molecule causes an asymmetry in the distribution of its molecular electrostatic potential that is more ...