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. Author manuscript; available in PMC: 2020 Aug 18.
Published in final edited form as: Appl Catal B. 2019 Feb 11;248:157–166. doi: 10.1016/j.apcatb.2019.02.019

Fig. 1.

Fig. 1

(a) The precursors and microwave-mediated synthesis of CDs. (b) The aqueous solutions of three CDs fractions with a concentration of 0.1 mg/mL (top-down: fraction 1, 2 and 3) after purification. (The left column is under regular light; the right column is under the UV light at 365 nm).