Novel Organic-Inorganic Hybrid Polystyrene Nanoparticles with Trichromatic Luminescence for the Detection of Latent Fingerprints

Figure 3

Characterization results of the PSNPs. The SEM images of polystyrene nanoparticles before (a) and after encapsulation of Eu(DBM)₃phen, coumarin 6, and FDBT (b). Fluorescence microscope image in aqueous (c). The dynamic light scattering (DLS) spectrum, the nanoparticles mean diameter is 310.7 nm (d).

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(b)

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(d)