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VLD spectra of fluorene adsorbed onto 2× PEPnS,OX produced by drying 20 μL aliquots of 2, 4, 6, 8, 9, and 10 mg/mL fluorene in chloroform on the film. Polymer spectra subtracted; baselines flattened; and residual water and PE bands removed. Spectra have been displaced vertically for clarity.
