Vibrational relaxation of CN stretch of pseudo-halide anions (OC[N.sup.-], SC[N.sup.-], and SeC[N.sup.-]) in polar solvents

Article Abstract:

The vibrational relaxation dynamics of pseudo-halide anions XC[N.sup.-] (X=O, S, Se) in polar solvents were investigated to understand the influence of charge on solute-to-solvent intermolecular energy transfer (IET) and solvent assisted intramolecular vibrational relaxation (IVR) pathways. It is found that in all the solvents studied, the relaxation rated follow the order of OC[N.sup.-] -> SC[N.sup.-] -> SeC[N.sup.-], a trend which is attributed to stronger solvent-solvent interaction owing to larger partial charges on the X, C, and N atoms and smaller frequency mismatch in IVR pathways in going from X= Se to S to O.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Selenium Compounds, Electric properties, Carbon compounds, Halides, Vibrational spectra

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Ultrafast electron transfer between molecule adsorbate and antimony doped tin oxide (ATO) nanoparticles

Article Abstract:

The effect of doping on interfacial electron transfer (ET) dynamics in Re(dpbpy)(CO)(sub 3)Cl (dpbpy = 4,4'(CH(sub 2)PO(OH)(sub 2))2-2,2'-bipyridine) (ReClPO3) sensitized ATO (Sb:SnO2)nanocrystalline thin films are examined. Details of the dependence of the recombination rate on conduction band electron density and a possible mechanism for the recombination process are discussed.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Rhenium, Spectra, Electron transport, Infrared spectroscopy, Properties, Structure, Antimony oxide

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Solvation induced vibrational peak shift of a Re bipyridyl complex in solution and at the nanoporous ZrO2/liquid interface

Article Abstract:

The solvation induced vibrational peak shift of Re bipyridyl complex in solution and at the nanoporous ZrO2/liquid interfaces are compared. An instantaneous blue shift in CO stretching frequency is observed, which is followed by slower shifts on the few hundred picosecond time scale.

Solvation, Zirconium oxide

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