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STUDY OF THE INTENSE RED EMISSION ACCOMPANYING THE REACTION OF METASTABLE OXYGEN WITH COPPER.

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/12841

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Title: STUDY OF THE INTENSE RED EMISSION ACCOMPANYING THE REACTION OF METASTABLE OXYGEN WITH COPPER.
Creators: Bacis, R.; Bouvier, A. J.; Churassy, S.; Crozet, P.; Erba, B.; Lamrini, M.; Ross, A. J.; Koffend, J. Brooke
Issue Date: 1992
Abstract: The reaction between hot metallic copper and metastable oxygen, $O_{2}^{1}\Delta_{g}$, (produced chemically via: $H_{2}$$O_{2}$(1) + $Cl_{2}$(g) + 2$NaOH_{(aq)}$ $\rightarrow$ 2$NaCl_{(nq)}$ + $O_{2}^{1}\Delta_{g (g)} + 2H_{2}O_{(1)}$) gives rise to a strong red $chemiluminescene_{1}$. This system has aroused considered interest as a possible chemically pumped laser in the red or near infrared. Several suggestions have been made as to the identity of the emitting $species, ^{2,3,4}$ but the most reasonable of these would seem to be $CuCl_{2}$. Assumed to be formed by the reaction of Cu with residual traces of chlorine gas. The chemiluminescene has been recorded on a Fourier transform spectrometer at low resolution, and comparison is made between this spectrum and a theoretical spectrum of the $^{2}\Pi_{u} \rightarrow ^{2}\Pi_{g}$ system of $CuCl_{2}$, drawing attention to the transfer of energy from $O_{2}^{1}\Delta_{g}$ to the electronic states of $CuCl_{2}$. The possibility of achieving an appreciable population inversion via this reaction will be discussed.
URI: http://hdl.handle.net/1811/12841
Other Identifiers: 1992-TB-04
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