TY - GEN
T1 - Mechanical exfoliation of reduced graphene oxide from old coconut shell as radar absorber in x-band
AU - Kurniawan, Affandi Faisal
AU - Anwar, Mohammad Syaiful
AU - Nadiyyah, Khoirotun
AU - Mashuri,
AU - Triwikantoro,
AU - Darminto,
N1 - Publisher Copyright:
© 2019 Trans Tech Publications Ltd, Switzerland.
PY - 2019
Y1 - 2019
N2 - The purpose of this study is to determine the effect of heating temperature and the chemical exfoliation process on the reflection loss of r-GO synthesized from coconut shell. The heating process is carried out at temperature of 400°C and 700°C. The chemical exfoliation process is carried out by adding 1M H2SO4 solution in a ratio of 1: 1, 1: 5, and 1:10. Then, the process of washing is done using an ultrasonic cleaner. The XRD pattern indicates that coconut shell charcoal has formed the r-GO phase. In the chemical exfoliation process with the addition of 1M H2SO4 solution in a ratio of 1: 10 at a temperature of 400°C, it shows that the maximum reflection loss is-7.186 dB at 10.48 GHz with an electrical conductivity of 1.075 x 10-3 S/cm.
AB - The purpose of this study is to determine the effect of heating temperature and the chemical exfoliation process on the reflection loss of r-GO synthesized from coconut shell. The heating process is carried out at temperature of 400°C and 700°C. The chemical exfoliation process is carried out by adding 1M H2SO4 solution in a ratio of 1: 1, 1: 5, and 1:10. Then, the process of washing is done using an ultrasonic cleaner. The XRD pattern indicates that coconut shell charcoal has formed the r-GO phase. In the chemical exfoliation process with the addition of 1M H2SO4 solution in a ratio of 1: 10 at a temperature of 400°C, it shows that the maximum reflection loss is-7.186 dB at 10.48 GHz with an electrical conductivity of 1.075 x 10-3 S/cm.
KW - Chemical exfoliation
KW - Old coconut shell
KW - R-GO
KW - Radar absorber
KW - Reflection loss
UR - http://www.scopus.com/inward/record.url?scp=85071902386&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.966.25
DO - 10.4028/www.scientific.net/MSF.966.25
M3 - Conference contribution
AN - SCOPUS:85071902386
SN - 9783035714968
T3 - Materials Science Forum
SP - 25
EP - 29
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 -