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Single-step grown boron doped nanocrystalline diamond-carbon nanograss hybrid as an efficient supercapacitor electrode

Abstract

Direct synthesis of nano-structured carbon hybrid consisting of vertically aligned carbon nanograss on top of boron-doped nanocrystalline diamond is demonstrated and the carbon hybrid is further applied as an electrode material for the fabrication of supercapacitor. The hybrid film combines the dual advantages of sp2 (carbon nanograss) and sp3 (nanocrystalline diamond) bonded carbon, possessing not only the excellent electrical characteristics of sp2 carbon but also exceptional electrochemical stability of sp3 carbon. As a result, the specific capacitance of the as-prepared hybrid material reaches upto 0.4 F cm-2, one of the highest reported in diamond-based supercapacitors. The entire electrochemical results exhibit enhanced electron transfer efficiency with remarkable stability of 95% of capacitance retention even after 10000 cycles.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
NANOSCALE no. 12, pages 10117 - 10126,
ISSN: 2040-3364
Language:
English
Publication year:
2020
Bibliographic description:
Banerjee D., Sankaran K. J., Deshmukh S., Ficek M., Yeh C., Ryl J., Lin I., Bogdanowicz R., Kanjilal A., Haenen K., Sinha Roy S.: Single-step grown boron doped nanocrystalline diamond-carbon nanograss hybrid as an efficient supercapacitor electrode// NANOSCALE -Vol. 12,iss. 18 (2020), s.10117-10126
DOI:
Digital Object Identifier (open in new tab) 10.1039/d0nr00230e
Verified by:
Gdańsk University of Technology

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