ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
We have investigated laser-assisted reactions in Hg/HgBr2 gas mixtures by measuring fluorescence from the product, HgBr radical, following simultaneous IR (1064 nm) and UV (253.7 nm) laser excitation. The product emission has one-photon dependence on both IR and UV laser power, and the results indicate that the excited HgBr product channel is accessed through single photon absorptions by the {Hg–HgBr2} complex. This constitutes the first experimental evidence for an electronically excited state of the {Hg–HgBr2} collision complex, having an energy level 〉4.9 eV but 〈6.1 eV. With the addition of tunable IR lasers this technique could provide an important spectroscopic method for investigation of the homologous series of collision complexes, {Hg–HgX2} where (X=F, Cl, Br, I).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.449194
