TY - GEN
T1 - Synthesis of n-doped reduced graphene oxide from coconut shell as supercapacitors
AU - Khambali, Imam
AU - Ardiani, Irma Septi
AU - Kurniawan, Ahmad Rizki
AU - Triwikantoro,
AU - Zainuri, Mochamad
AU - Darminto,
N1 - Publisher Copyright:
© 2019 Trans Tech Publications Ltd, Switzerland.
PY - 2019
Y1 - 2019
N2 - Supercapacitors have been fabricated from reduced graphene oxide (rGO) based on coconut shell. The production of rGO was started from carbonizing coconut shell at temperature of 100 – 140oC, then sieving of 200 mesh and calcinating at 400oC for 5 hours. The peaks of XRD pattern had indicated the presence of rGO phase. Supercapacitor electrodes were fabricated from two different sources of nitrogen for doping. Firstly, the electrode was fabricated from the mixing of the rGO coconut shell, HCl, glucose, and FeCl3 bubbled with nitrogen gas (N2). Secondly, it was fabricated from the same starting materials; however, the nitrogen was obtained from the ammonium hydroxide (NH4OH). Cyclic voltammetric characterization indicates that nitrogen atom originating from NH4OH has been more effective to be inserted in rGO for increasing the capacitance of the fabricated supercapacitors.
AB - Supercapacitors have been fabricated from reduced graphene oxide (rGO) based on coconut shell. The production of rGO was started from carbonizing coconut shell at temperature of 100 – 140oC, then sieving of 200 mesh and calcinating at 400oC for 5 hours. The peaks of XRD pattern had indicated the presence of rGO phase. Supercapacitor electrodes were fabricated from two different sources of nitrogen for doping. Firstly, the electrode was fabricated from the mixing of the rGO coconut shell, HCl, glucose, and FeCl3 bubbled with nitrogen gas (N2). Secondly, it was fabricated from the same starting materials; however, the nitrogen was obtained from the ammonium hydroxide (NH4OH). Cyclic voltammetric characterization indicates that nitrogen atom originating from NH4OH has been more effective to be inserted in rGO for increasing the capacitance of the fabricated supercapacitors.
KW - Ammonium hydroxide
KW - Coconut shell rGO
KW - Nitrogen gas
KW - Specific capacitance
UR - http://www.scopus.com/inward/record.url?scp=85071934309&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.966.437
DO - 10.4028/www.scientific.net/MSF.966.437
M3 - Conference contribution
AN - SCOPUS:85071934309
SN - 9783035714968
T3 - Materials Science Forum
SP - 437
EP - 443
BT - Functional Properties of Modern Materials II
A2 - Darminto, null
A2 - Kurniawan, Budhy
A2 - Risdiana, null
A2 - Watanabe, Isao
A2 - Nugroho, Agustinus Agung
PB - Trans Tech Publications Ltd
T2 - 4th International Conference on Functional Materials Science, ICFMS 2018
Y2 - 13 November 2018 through 15 November 2018
ER -