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. 2007 Nov 28;129(47):14550-1.
doi: 10.1021/ja075963d. Epub 2007 Nov 6.

Phase-tunable fluorophores based upon benzobis(imidazolium) salts

Andrew J Boydston  1 , Cory S Pecinovsky, Steven T Chao, Christopher W Bielawski
Affiliations

Phase-tunable fluorophores based upon benzobis(imidazolium) salts

Andrew J Boydston et al. J Am Chem Soc. .

Abstract

A new series of highly photoluminescent benzobis(imidazolium) salts with tunable electronic and physical properties is described. Systematic structural manipulations provided a set of materials that were not only fluorescent in the condensed state but also displayed tunable glass transition temperatures ranging from -0.3 to 113 degrees C. Upon heating, these robust materials flowed while maintaining their emissive properties. Further phase tuning was demonstrated through the synthesis of two thermotropic liquid-crystalline fluorescent benzobis(imidazolium) salts.

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