Fig. 1 | NPG Asia Materials

Fig. 1

From: Narrow band-edge photoluminescence from AgInS2 semiconductor nanoparticles by the formation of amorphous III–VI semiconductor shells

Fig. 1

UV-vis and PL spectra of AgInS2 NPs coated with different semiconductors. a UV-vis and b PL spectra of AgInS2 NPs synthesized with the heating up approach and the same NPs after the reaction with zinc acetate and elemental sulfur to form ZnS shells. c UV-vis and d PL spectra of AgInS2 NPs, InSx NPs, and AgInS2 NPs after the reaction with indium acetate and elemental sulfur to form indium sulfide shells. The excitation wavelength was 450 nm for all spectra. Samples were diluted with chloroform to become ca. 0.1 µM in terms of particle upon measurements

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