Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Optical properties of BF2bdkPLA materials. a) Structures and nomenclature of boron dye PLA materials. b) Image of dye-PLA polymers under nitrogen with continuous UV illumination (λex = 365 nm) showing fluorescence plus phosphorescence and delayed image; λex = camera flash with blue filter (i.e. phosphorescence plus thermally activated delayed fluorescence) c) Total emission spectra in air (λex = 369 nm). d) Delayed emission spectra under nitrogen (λex = 369 nm)
