Tailoring CoO-ZnO Nanorod and Nanotube Arrays for Lithium ... · Peking University -0.05 0.00 0.05...
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Peking University Supporting Information Tailoring CoO-ZnO Nanorod and Nanotube Arrays for Lithium Battery Anode Materials Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A This journal is © The Royal Society of Chemistry 2013
Transcript of Tailoring CoO-ZnO Nanorod and Nanotube Arrays for Lithium ... · Peking University -0.05 0.00 0.05...
Peking University
Supporting Information
Tailoring CoO-ZnO Nanorod and Nanotube Arrays for
Lithium Battery Anode Materials
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI1. SEM images of copper substrate with (a) low magnification and (b) low magnification;
SEM images of ZnO nanorods prepared on the copper substrate with (c) low magnification and (d)
high magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI2. SEM images of CoO-ZnO composite materials obtained at the concentration of
Co(NO3)2 0.15M on the copper substrate with (a) low magnification and (b) high magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI3. SEM images of CoO-ZnO composite materials obtained at the concentration of
Co(NO3)2 0.15M on the copper substrate with (a) low magnification and (b) high magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI4. SEM images of CoO-ZnO composite materials obtained at the concentration of
Co(NO3)2 0.18M on the copper substrate with (a) low magnification and (b) high magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI5. SEM images of CoO-ZnO composite nanotube arrays obtained at the concentration of
Co(NO3)2 0.2M on the copper substrate with (a) low magnification and (b) high magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI6. SEM images of CoO-ZnO composite materials obtained at the concentration of
Co(NO3)2 0.22M on the copper substrate with (a) low magnification and (b) high magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI7. SEM images of ZnCo2O4 hierarchy nanocolumn arrays obtained at the concentration
of Co(NO3)2 0.25M on the copper substrate with (a) low magnification, (b) and (c) high
magnification.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
0.0 0.2 0.4 0.6 0.8 1.0 1.2-200
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Figure SI8. (a)TEM image of CoO-ZnO composite nanotube; (b) linear EDS result of the
CoO-ZnO composite nanotube.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
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Figure SI9. (a) TEM image of CoO-ZnO composite nanotube; (b) linear EDS result of the
CoO-ZnO composite nanotube; (c) diffraction patterns of the nanotube.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
770 780 790 800 810 8200
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Figure SI10. XPS result of the samples annealed at 450℃ in nitrogen, line B is Co(Ⅱ) and line C
is Co(Ⅲ).
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
Figure SI11. SEM images of CoO-ZnO hierarchy nanocolumn obtained at 1h with the
concentration of Co(NO3)2 (a) 0.1M; (b) 0.2M; (c)0.3M.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
Peking University
200 300 400 500 600 700 8000.0
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Figure SI12. UV-absorbance spectrum of ZnCo2O4 hierarchy nanocolumns.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry AThis journal is © The Royal Society of Chemistry 2013
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