Novel Universal Fluorescence Standard

 FORMULA S-13

S-13
(RN 110590-84-6)

UV/Vis Spectra of S-13 in CHCl3

 FLUORESCENCE OF S-13











Details of S-13 and references

Useful homologous of S-13

Absorption maximum: 526.3 nm (CHCl3)
Molar absorptivity: 87 000 (CHCl3)
Fluorescence quantum yield: ~100%
Oscillator strengths: = 0.65
Fluorescence maximum: 534.5 nm (CHCl3)
Singlet lifetime: 3.95 ns
Triplet energy: 27.5 kcal/mol (1040 nm)
Triplet lifetime: 100 ms

The Highly Fluorescent Highly Soluble Perylene Dye S-13[1-6]

Calibration of Fluorescence Spectrometers:

The fluorescence quantum yield of S-13 remains unity even in the presence of atmospheric oxygen.
No special care for handling of S-13 is required because of its high stability.          > Demonstration (2.3 MB).
Molar absorptivity of 52 400 at the Ar laser line at 488.0 nm.

[1] H. Langhals, J. Karolin, L. B.-Å. Johansson, J. Chem. Soc., Faraday Trans. 1998, 94, 2919-2922.
[2] Review: H. Langhals, J. Electr. & Electron. Systems 2014, 3, 125; http://dx.doi.org/10.4172/2332-0796.1000125.
[3] Review: H. Langhals, Helv. Chim. Acta. 2005, 88, 1309-1343.
[4] Review: H. Langhals, Heterocycles 1995, 40, 477-500.
[5] H. Langhals, S. Demmig, T. Potrawa, J. Prakt. Chem. 1991, 333, 733-748.
[6] S. Demmig, H. Langhals, Chem. Ber. 1988, 121, 225-230.


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