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Fig. 3.
Fig. 3. PL spectra measured from of InP/ZnS CQD films that spin-coated for 40 s at (a) 1,000 rpm, (b) 700 rpm, and (c) 600 rpm. We can see ASE signals from sample (b) and (c) that have the thickness of 400 and 450 nm, respectively.
Applied Science and Convergence Technology 2023;32:23~25
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