Emission Color Tuning with Polymer Molecular Weight for Difluoroboron Dibenzoylmethane‐Polylactide | Zendy

Zhang Guoqing | Zendy; Kooi Steven E. | Zendy; Demas J. N. | Zendy; Fraser Cassandra L. | Zendy

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Emission Color Tuning with Polymer Molecular Weight for Difluoroboron Dibenzoylmethane‐Polylactide

Author(s) -

Zhang Guoqing,

Kooi Steven E.,

Demas J. N.,

Fraser Cassandra L.

Publication year - 2008

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200702681

Subject(s) - dibenzoylmethane , fluorophore , polymer , materials science , fluorescence , polarity (international relations) , photochemistry , polymer chemistry , organic chemistry , chemistry , composite material , optics , biochemistry , physics , cell

Difluoroboron dibenzoylmethane‐poly(lactic acid) emission is sensitive to the polarity of the surrounding medium. As the polymer molecular weight increases, fluorescence maxima blue‐shift for these dye‐polymer conjugates. A similar shift is noted in their delayed emission spectra. This “green to blue” color change may be attributed to decreasing fluorophore–fluorophore interactions and polarity with increasing polymer molecular weight.

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