Glow Stick - Chemistry - Fluorophores Used

Fluorophores Used

  • 9,10-diphenylanthracene (DPA) emits blue light
  • 1-chloro-9,10-diphenylanthracene (1-chloro(DPA)) and 2-chloro-9,10-diphenylanthracene (2-chloro(DPA)) emit blue-green light more efficiently than nonsubstituted DPA; dihydro(DPA) is purple
  • 9,10-bis(phenylethynyl)anthracene (BPEA) emits yellow-green light with maximum at 486 nm
  • 1-chloro-9,10-bis(phenylethynyl)anthracene emits yellow-green light, used in 30-minute high-intensity Cyalume sticks
  • 2-chloro-9,10-bis(phenylethynyl)anthracene emits green light, used in 12-hour low-intensity Cyalume sticks
  • 1,8-dichloro-9,10-bis(phenylethynyl)anthracene emits yellow light, used in Cyalume sticks
  • Rubrene emits orange-yellow at 550 nm
  • 2,4-di-tert-butylphenyl 1,4,5,8-tetracarboxynaphthalene diamide emits deep red light, together with DPA is used to produce white or hot-pink light, depending on their ratio
  • Rhodamine B emits red light. It is rarely used, as it breaks down in contact with phenyl oxalate, shortening the shelf life of the mixture.
  • 5,12-bis(phenylethynyl)naphthacene emits orange light
  • Violanthrone emits orange light at 630 nm
  • 16,17-(1,2-ethylenedioxy)violanthrone emits red at 680 nm
  • 16,17-dihexyloxyviolanthrone emits infrared at 725 nm
  • 16,17-butyloxyviolanthrone emits infrared
  • N,N'-bis(2,5,-di-tert-butylphenyl)-3,4,9,10-perylenedicarboximide emits infrared
  • 1-N,N-dibutylaminoanthracene emits infrared
  • 6-methylacridinium iodide emits infrared
  • 9,10-diphenylanthracene yields blue light

  • 9,10-bis(phenylethynyl) anthracene yields green light

  • 1-chloro- 9,10-bis(phenylethynyl) anthracene yields yellow-green light

  • rubrene (5,6,11,12-tetraphenyl naphthacene) yields yellow light

  • 5,12-bis(phenylethynyl) naphthacene yields orange light

  • Rhodamine 6G yields orange light

  • Rhodamine B yields red light

Read more about this topic:  Glow Stick, Chemistry

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