Thermal and optical properties data of the chromophores.

Compound	T d (°C)	λ max a (nm)	λ max b (nm)	Δλc (nm)	T g (°C)
QLD1	273	800	737	63	93
QLD2	317	790	734	56	75
QLD3	270	798	721	77	74
QLD4	257	801	721	80	122

^aMeasured in chloroform.

^bMeasured in dioxane.

^cThe difference between λ_max^a and λ_max^b.