Blue thermally activated delayed fluorescence from a biphenyl difluoroboron β-diketonate

Margaret L. Daly, Christopher A. Derosa, Caroline Kerr, William A. Morris, Cassandra L. Fraser

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


Optical properties of biphenyl difluoroboron β-diketonates were studied in poly(lactic acid) (PLA) blends. Increased conjugation lowered the emission energy, decreased the singlet-triplet energy gap and yielded blue thermally activated delayed fluorescence (TADF). The properties of these biphenyl dyes may inform organic light emitting diode (OLED) and bioimaging agent design.

Original languageEnglish (US)
Pages (from-to)81631-81635
Number of pages5
JournalRSC Advances
Issue number85
StatePublished - 2016
Externally publishedYes

Bibliographical note

Funding Information:
We thank the National Science Foundation (CHE-1213915), the National Institutes of Health (R01 CA167250) and UVA Cancer Center (P30 CA44579) for support for this work. We gratefully acknowledge the UVA Center for Undergraduate Excellence for Harrison Undergraduate Research Awards to M. D. and C. K. and the Beckman Scholars Program for a fellowship to C. K. We thank Prof. Carl O. Trindle for helpful discussions.

Publisher Copyright:
© 2016 The Royal Society of Chemistry.


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