PL Quenching by Doping

PL of polysilanes with aromatic side groups has been found to be strongly quenched by doping with fullerene (C6o), whereas quenching does not occur in polysilanes with alkyl side chains.85 Poly(methylpropylsilane) 

FIGURE 13. PL(solid curve) and PL excitation (dashed curve) spectra of (a) PDHS and (b) PDPS. (Reprinted from Ref. 89.) 

FIGURE 14. The recombination and resonant energy transfer processes in the PDHS/ PDPS sample. (Reprinted in Ref. 90.) 

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