Effectiveness of Nd doping and graphene oxide modification on electrochemical performance of CdSe nanorod material

다국어 초록 (Multilingual Abstract)

Bare CdSe, neodymium (Nd)-doped CdSe, and a graphene-oxide (GO)/CdSe nanohybrid were preparedvia hydrothermal strategy. These materials were characterized by XRD, SEM, TEM, Raman, XPS, and theBrunauer–Emmett–Teller (BET) method. Compared to the pure CdSe, the slight shift of diffraction peaksto lower angles in all samples indicated the presence of either Nd+3 ions or GO. The GO/CdSe nanorodshad much higher specific capacitance than the Nd-doped CdSe and bare CdSe. Among different contentsof Nd, 0.015 Nd doped CdSe showed the highest specific capacitance. The phase stability during cyclingand charge-transfer were greatly improved by formation of GO-based composite.

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