@Article{jrm.2023.025026,
AUTHOR = {Imam Khambali, Budhi Priyanto, Retno Asih, Malik Anjelh Baqiya, Muhammad Mahyiddin Ramli, Nurul Huda Osman, Sarayut Tunmee, Hideki Nakajima, Triwikantoro, Mochamad Zainuri, Darminto},
TITLE = {N-Doped rGO-Like Carbon Prepared from Coconut Shell: Structure and Specific Capacitance},
JOURNAL = {Journal of Renewable Materials},
VOLUME = {11},
YEAR = {2023},
NUMBER = {4},
PAGES = {1823--1833},
URL = {http://www.techscience.com/jrm/v11n4/50690},
ISSN = {2164-6341},
ABSTRACT = {An rGO−like carbon compound has been synthesized from biomass, i.e., old coconut shell, by a carbonization
process followed by heating at 400°C for 5 h. The nitrogen doping was achieved by adding the urea (CH<sub>4</sub>N<sub>2</sub>O)
and stirring at 70°C for 14 h. The morphology and structure of the rGO-like carbon were investigated by electron
microscopies and Raman spectroscopy. The presence of C-N functional groups was analyzed by Fourier transform infrared and synchrotron X-ray photoemission spectroscopy, while the particle and the specific capacitance
were measured by particle sizer and cyclic voltammetry. The highest specific capacitance of 72.78 F/g is achieved
by the sample with 20% urea, having the smallest particles size and the largest surface area. The corresponding
sample has shown to be constituted by the appropriate amount of C–N pyrrolic and pyridinic defects.},
DOI = {10.32604/jrm.2023.025026}
}