Abstract
Features related to molecular dimers of selenium Se2 are observed in the Raman spectra of borosilicate glass doped with Se-rich II–VI nanocrystals as well as in the Raman spectra of decolored (thermally annealed) samples of similar glasses with the semiconductor nanocrystals dissolved. These Raman features exhibit resonant behavior correlated with the Se2 molecule absorption spectra. The Se2 dimers are found to be formed at high-temperature (800–1000 °C) annealing of the semiconductor-doped borosilicate glasses.
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