XRD patterns of (1) ZnO, (2) PbS, (3) , and (4) .
The EDS spectrum of .
TEM images of (a) ZnO and (b) PbS nanoparticles. .
PL emission spectrum of dried ZnO nanoparticles.
PL emission spectrum of PbS nanoparticles.
PL emission spectra of (1) , (2) , (3) , (4) , and (5) . Note that the PL data for spectra (1) and (5) were not collected at the same time as those of spectra (2) and (3) and therefore the intensity cannot be compared.
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