Aromatic Phosphonates: A Novel Group of Emitters Showing Blue Ultralong Room Temperature Phosphorescence
Thomas H, Pastoetter DL, Gmelch M, Achenbach T, Schloegl A, Louis M, Feng X, Reineke S (2020)
Publication Status: Published
Publication Type: Journal article
Publication year: 2020
Journal
Publisher: WILEY-V C H VERLAG GMBH
Book Volume: 32
Article Number: ARTN 2000880
Journal Issue: 19
Abstract
In recent years, there has been a growing interest in purely organic materials showing ultralong room-temperature phosphorescence with lifetimes in the range of seconds. Still, the longest known phosphorescence lifetimes are only achieved with crystalline systems so far. Here, a rational design of a completely new family of halogen-free organic luminescent derivatives in amorphous matrices, displaying both conventional fluorescence and phosphorescence is reported. Hydrogen bonding between the newly developed emitters and an ethylene-vinyl alcohol copolymer (Exceval) matrix, which efficiently suppresses vibrational dissipation, enables bright long-lived phosphorescence with lifetimes up to 2.6 s at around 480 nm. The importance of the chosen matrix is shown as well as the implementation in an organic programmable luminescent tag.
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Germany (DE)How to cite
APA:
Thomas, H., Pastoetter, D.L., Gmelch, M., Achenbach, T., Schloegl, A., Louis, M.,... Reineke, S. (2020). Aromatic Phosphonates: A Novel Group of Emitters Showing Blue Ultralong Room Temperature Phosphorescence. Advanced Materials, 32(19). https://doi.org/10.1002/adma.202000880
MLA:
Thomas, Heidi, et al. "Aromatic Phosphonates: A Novel Group of Emitters Showing Blue Ultralong Room Temperature Phosphorescence." Advanced Materials 32.19 (2020).
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