Phase separation in polyfluorene-polymethylmethacrylate blends studied using UV near-field microscopy.


In this paper we present a near-field microscopy study of thin films of a phase-separated blend of the fluorescent conjugated-polymer poly(9,9-dioctylfluorene) [PFO] with the non-fluorescent polymer polymethylmethacrylate [PMMA]. A scanning near-field optical microscope (NSOM) was used to generate (blue) fluorescence from the PFO following UV excitation at… (More)


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