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A comparative study on the electrochemical properties of nanoporous nickel oxide nanowires and nanosheets
prepared by hydrothermal methods
Kien Nguyen, Nguyen Duc Hoa*, Chu Manh Hung, Dang Thi Thanh Le, Nguyen Van Duy, Nguyen Van Hieu
International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 - Dai Co Viet Str. Hanoi, Vietnam
Corresponding author: [email protected]
Electronic Supplemental Materials
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2018
Figure S1. (A) SEM, and (B-D) TEM images of the as-hydrothermal nanowires
(A)
500 nm
(B)
(C) (D)
10 nm 2 nm
d111=0.24 nm
200 nm
Figure S2. (A) XRD pattern the hydrothermal synthesized NiC2O4.2H2O nanowires
Figure S3. (A) SEM, and (B-D) TEM images of the single crystal Ni(OH)2 nanosheets
100 nm200 nm
(A) (B)
20 nm 2 nmd101=0.238 nm
(C) (D)
Figure S4. XRD pattern of the hydrothermal synthesized Ni(OH)2 nanosheets
Figure S5. Nitrogen adsorption/desorption isotherm of the hydrothermal synthesized NiC2O4.2H2O nanowires
Figure S6. Nitrogen adsorption/desorption isotherm of the hydrothermal synthesized Ni(OH)2 nanosheets
Figure S7. Enlargement of Figure 4(A), confirming the hysteresis loop of the nitrogen adsorption/desorption isotherm of NiO nanosheets
Figure S8. CV curve of NiO nanosheets after 10 scans.
Figure S9. Electrochemical impedance spectroscopy Nyquist plots of NiO nanosheets and nanowires