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diffuse reflectance zno milling

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were measured by using the powder reflectance spectrophotometry technique. The UV-vis spectra of the ZnO taken before and after the roll-milling process are given in Fig. 5. The ZnO showed a broad maximum absorption band at 200-400 nm wavelengths. However, after the roll-milling process, the onset of the absorption band of the ZnO red

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ZnO biochar nanocomposites via solvent free ball milling

UV–vis diffuse reflectance spectra (DRS) of Com-ZnO, BB and BZ-X samples are shown in Fig. 2d. BZ-X samples have the same absorption edge as commercial ZnO (com-ZnO) due to the loading of ZnO and ball milling. In addition, BZ-X samples also absorb light in the entire visible region.

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