Research Article

Template-Free Synthesis of Star-Like ZrO2 Nanostructures and Their Application in Photocatalysis

Figure 9

(a) UV-visible adsorption spectra of the star-like ZrO2 with various molar ratios of Zr(NO3)4·5H2O to CH3COONa; (b) plot of transformed Kubelka–Munk function versus the energy of light for different samples.
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(b)