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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: Facile Bottom-up Preparation of WS2-Based Water-Soluble Quantum Dots as Luminescent Probes for Hydrogen Peroxide and Glucose

Fig. 5

a Excitation wavelength-dependent PL spectra of colloidal CD/WS2 QDs at room temperature. The peak shift can be attributed to the pronounced QCE. b The 2D contour map acquired from the PL spectra. c Excitation-dependent PL emission behavior of pristine WS2 QDs at room temperature. d The 2D color-converted PL intensity map acquired from the spectra. (color online)

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