Fig. 3: PL characterization of and in situ fingerprint PL imaging with CsPbBr3@HPβCD nanofibers.
From: Luminescent nanofibers for human skin textures photocopying
a Temperature-dependent PL of CsPbBr3, CsPbBr3 @HPβCD, CsPbBr3@HPβCD/glucose and CsPbBr3@HPβCD/NaCl fibers. b Bright field image and peak wavelength distribution for CsPbBr3@HPβCD fiber fingerprint imaging, scale bar: 500 µm. c Wavelength-dependent PL mapping at 520 nm, 510 nm, 500 nm and 490 nm of CsPbBr3@HPβCD fibers in response to fingerprint residues, scale bar: 500 µm. d FLIM at 520 nm and 490 nm, scale bar: 1 mm.
