The fact that the fluorescence wavelength is often much longer than the irradiation wavelength (Stokes shift) is a consequence of which phenomenon?

low extinction coefficients (Lambert-Beer law)

vertical transitions (Kasha‚Äö√Ñ√∂‚àö√ë‚àö¬•s rule)

the Franck‚Äö√Ñ√∂‚àö√ë‚àö¬®Condon principle

The fact that the fluorescence wavelength is often much longer than th

1.	The fact that the fluorescence wavelength is often much longer than the irradiation wavelength (Stokes shift) is a consequence of which phenomenon?
A.	low extinction coefficients (Lambert-Beer law)
B.	vertical transitions (Kasha‚Äö√Ñ√∂‚àö√ë‚àö¬•s rule)
C.	high ISC rates (El Sayed rule)
D.	the Franck‚Äö√Ñ√∂‚àö√ë‚àö¬®Condon principle
Answer» E.

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The fact that the fluorescence wavelength is often much longer than the irradiation wavelength (Stokes shift) is a consequence of which phenomenon?

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