Enhancement of Fluorescence and Photostability Based on Interaction of Fluorescent Dyes with Silver Nanoparticles for Luminescent Solar Concentrators

Table 5

The area under fluorescence curves for Coumarin 6, Fluorescein, and Rhodamine 6G in Triton X-100 without and with silver and with silver after UV irradiation for 960 minutes.

Dyes	Conditions	Absorbance wavelength (nm)	Emission wavelength (nm)	Stoke shift (nm)	Area under fluorescence curve
Coumarin 6	Without silver	440	538	98	486.60
	With silver before exposure	440	540	100	686.65
	With silver after exposure	455	562	107	585.68
Fluorescein	Without silver	461	542	81	614.33
	With silver before exposure	454	542	88	806.77
	With silver after exposure	472	562	90	684.93
Rhodamine 6G	Without silver	525	557	32	639.58
	With silver before exposure	510	557	47	874.26
	With silver after exposure	526	583	57	738.54