Table 1 Summary of the composition and emission wavelengths of the perovskites nanocrystals synthesized and used for security tags

From: Fluorescent nanoparticles for security tags against the looting of archaeological artefacts

NPs

Composition

Wavelength (nm)

p-PRK

CsPbCl3

428

db-PRK

CsPbBr0.75Cl2.25

433

b-PRK

CsPbBr1.5Cl1.5

458

c-PRK

CsPbBr2.25Cl0.75

484

g-PRK

CsPbBr3

518

lg-PRK

CsPbBr2.25I0.75

527

y-PRK

CsPbBr1.5I1.5

554

r-PRK

CsPbBr0.75I2.25

638