Abstract
Graphene/phthalocyanine derivatives were successfully prepared by self-assembling of phthalocyanine on graphene sheets under solvothermal condition. The results of Ultraviolet Visible (UV–Vis), X-ray photoelectron spectroscopy, scanning electron microscope and electrical measure suggested that the competition between metal–ligand coordination and π–π interaction between graphene and phthalocyanine endowed composites with conspicuous evolutions in self-assembly behavior, morphology and dielectric properties. Importantly, the effective restoration of π-electron within the graphene played a dominant role in enhancing the dielectric properties of the system while the formation of metal–ligand coordination bond between graphene oxide and copper phthalocyanine hindered the improvement of dielectric properties.
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Acknowledgements
The financial supports from National Natural Scienkce Foundation of China (Project NoS. 51373028, 51403029), South Wisdom Valley Innovative Research Team Program and Ningbo Major (key) Science and Technology Research Plan (2013B06011) are gratefully acknowledged.
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Zicheng Wang and Renbo Wei have contributed equally to this work.
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Wang, Z., Wei, R. & Liu, X. Dielectric properties of copper phthalocyanine nanocomposites incorporated with graphene oxide. J Mater Sci: Mater Electron 28, 7437–7448 (2017). https://doi.org/10.1007/s10854-017-6433-5
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DOI: https://doi.org/10.1007/s10854-017-6433-5