School of Materials and Chemical Engineering Xuzhou University of Technology Xuzhou 221018 Jiangsu ChinaAnalysis and Testing Center School of Materials and Chemical Engineering of Xuzhou University of Technology Xuzhou 221018 Jiangsu China;
School of Materials and Chemical Engineering Xuzhou University of Technology Xuzhou 221018 Jiangsu China;
School of Materials and Chemical Engineering Xuzhou University of Technology Xuzhou 221018 Jiangsu China;
School of Materials and Chemical Engineering Xuzhou University of Technology Xuzhou 221018 Jiangsu China;
School of Materials and Chemical Engineering Xuzhou University of Technology Xuzhou 221018 Jiangsu China;
School of Food and Biological Engineering Xuzhou University of Technology Xuzhou 221018 Jiangsu China;
Carbon quantum dots; Conductivity; Electron transfer; Electrocatalysis;