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Optical properties of thin films of [Ru(bpy)3][NaCr(ox)3] polymeric networks

Rabaste, Sebastien
Amstutz, Nahid
Pillonnet, Anne
Published in Applied Physics Letters. 2005, vol. 87, no. 25, p. 251904-251907
Abstract The optical properties of a thin film of the [Ru(bpy)3][NaCr(ox)3] network structure obtained by pulsed laser deposition are described. The luminescence shows the characteristic doublet of R lines at 14 400 cm–1 of the spin-forbidden ligand field transition 2E(t<sub>2g</sub><sup>3</sup>)-->4A2(t<sub>2g</sub><sup>3</sup>) of the [Cr(ox)3]3– chromophore. The resonant energy migration within the R1 line shows that the three-dimensional crystallographic structure is preserved during the coating process. The observation of the R lines of [Cr(bpy)3]3+ at 13 710 cm–1 indicates that a small fraction of Cr3+ ions migrate from the oxalate network to the tris-bipyridine cation site in the cavities of the network.
Keywords Optical polymersPolymer filmsPulsed laser depositionPhotoluminescenceCoating techniques
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Research group Groupe Hauser
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RABASTE, Sebastien et al. Optical properties of thin films of [Ru(bpy)3][NaCr(ox)3] polymeric networks. In: Applied Physics Letters, 2005, vol. 87, n° 25, p. 251904-251907. https://archive-ouverte.unige.ch/unige:3261

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Deposited on : 2009-09-21

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