shows localized regions of increased emission with dimensions ≈500 nm. Maps of the spectral emission line shape show narrower emission lines in high emission regions, which can be attributed to increased order. Excited states do not diffuse out of high emission regions before they decay, but are decoupled from nearby regions, either by slow diffusion rates or energetic barriers.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5115383PMC
http://dx.doi.org/10.1002/advs.201500136DOI Listing

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