TY - JOUR
T1 - Dumbbell-like ZnO nanoparticles-CeO 2 nanorods composite by one-pot hydrothermal route and their electrochemical charge storage
AU - He, Geping
AU - Fan, Huiqing
AU - Ma, Longtao
AU - Wang, Kaige
AU - Liu, Chao
AU - Ding, Donghai
AU - Chen, Li
N1 - Publisher Copyright:
© 2016 Elsevier B.V. All rights reserved.
PY - 2016/3/15
Y1 - 2016/3/15
N2 - Dumbbell-like ZnO nanoparticles-CeO 2 nanorods (ZnONPs-CeO 2 NRs) composites with superior electrochemical performance were fabricated by one-pot hydrothermal process and characterized by X-ray diffraction, an energy dispersive spectrum, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy and nitrogen adsorption-desorption isotherms. The ZnONPs-CeO 2 NRs nanostructure possessed larger Brunauer-Emmett-Teller (BET) surface, crystallinity, lower resistance. The specific capacitance of ZnONPs-CeO 2 NRs composite (162.08 mF g -1 ) was higher than that of precursor CeO 2 NRs (151.43 mF g -1 ) in galvanostatic charge/discharge, and the super-capacitor charge storage of ZnONPs-CeO 2 NRs (581.39 F g -1 ) was more 12 times than the precursor (46.63 F g -1 ). The improved electrochemical performances could be ascribed to the import of ZnONPs, which induced variations in the structure, conductivity and surface morphology.
AB - Dumbbell-like ZnO nanoparticles-CeO 2 nanorods (ZnONPs-CeO 2 NRs) composites with superior electrochemical performance were fabricated by one-pot hydrothermal process and characterized by X-ray diffraction, an energy dispersive spectrum, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy and nitrogen adsorption-desorption isotherms. The ZnONPs-CeO 2 NRs nanostructure possessed larger Brunauer-Emmett-Teller (BET) surface, crystallinity, lower resistance. The specific capacitance of ZnONPs-CeO 2 NRs composite (162.08 mF g -1 ) was higher than that of precursor CeO 2 NRs (151.43 mF g -1 ) in galvanostatic charge/discharge, and the super-capacitor charge storage of ZnONPs-CeO 2 NRs (581.39 F g -1 ) was more 12 times than the precursor (46.63 F g -1 ). The improved electrochemical performances could be ascribed to the import of ZnONPs, which induced variations in the structure, conductivity and surface morphology.
KW - Dumbbell-like nanostructure
KW - Hydrothermal process
KW - Nanocomposite
KW - Super-capacitor charge storage
UR - https://www.scopus.com/pages/publications/84960128486
U2 - 10.1016/j.apsusc.2016.01.027
DO - 10.1016/j.apsusc.2016.01.027
M3 - 文章
AN - SCOPUS:84960128486
SN - 0169-4332
VL - 366
SP - 129
EP - 138
JO - Applied Surface Science
JF - Applied Surface Science
ER -