Photophysical data of the solutions and crystals of various compounds^a.

Samples	d-Xyl	PER	d-Fru	d-Gal
	λ ex,o/λem,o/Φ [nm]/[nm]/[%]	λ ex,o/λem,o/Φ [nm]/[nm]/[%]	λ ex,o/λem,o/Φ [nm]/[nm]/[%]	λ ex,o/λem,o/Φ [nm]/[nm]/[%]
Solutionb	284/354/0.6	270/452/0.5	268/432/0.3	340/429/0.8
Solutionc	284/321/0.0	270/302/0.0	268/301/0.0	340/387/0.0
Crystal	360/429/2.7	270/460/2.2	280/495/1.8	280/451/4.1

^a λ _ex,o = optimal excitation wavelength; λ_em,o = optimal emission wavelength; Φ = quantum efficiency.

^bConcentration: 1 M (d-Xyl, d-Fru and d-Gal), 0.1 M (PER).

^cConcentration: 1 × 10⁻⁴ M.