Research Article

Fluorescent Rosamine/TiO2 Composite Films for the Optical Detection of NO2

Figure 3

Photoluminescence spectra of (a) RosCOOH/TiO2 film (λex = 530 nm) and RosCOOH dichloromethane solution (3.6 μM) and (b) RosNH2/TiO2 film (λex = 525 nm) and RosNH2 dichloromethane solution (3.6 μM).
(a)
(b)