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Improved microwave absorption traits of coconut shells-derived activated carbon

Novel multi-functional materials with very high microwave (MW) absorbance in the X-band became demanding for varied high-sensitive electronic applications. To meet this goal, a new type of activated carbon sample containing fullerene-C70 was derived from coconut shells using the combined physical ac...

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Main Authors: Wahyu Widanarto, Wahyu Widanarto, Budianti, Siska Irma, Ghoshal, Sib Krishna, Candra Kurniawan, Candra Kurniawan, Erfan Handoko, Erfan Handoko, Mudrik Alaydrus, Mudrik Alaydrus
格式: Article
語言:English
出版: Elsevier Ltd 2022
主題:
QC Physics
在線閱讀:http://eprints.utm.my/103517/1/SibKrishnaGhoshal2022_ImprovedMicrowaveAbsorptionTraits.pdf
http://eprints.utm.my/103517/
http://dx.doi.org/10.1016/j.diamond.2022.109059
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spelling my.utm.1035172023-11-14T06:32:29Z http://eprints.utm.my/103517/ Improved microwave absorption traits of coconut shells-derived activated carbon Wahyu Widanarto, Wahyu Widanarto Budianti, Siska Irma Ghoshal, Sib Krishna Candra Kurniawan, Candra Kurniawan Erfan Handoko, Erfan Handoko Mudrik Alaydrus, Mudrik Alaydrus QC Physics Novel multi-functional materials with very high microwave (MW) absorbance in the X-band became demanding for varied high-sensitive electronic applications. To meet this goal, a new type of activated carbon sample containing fullerene-C70 was derived from coconut shells using the combined physical activation and milling process for the first time. The effects of various milling times (50, 75, and 100 min) on the structure, morphology, and MW reflection traits of these samples were examined. The crystalline phase of the activated fullerene-C70 was found to alter from cubic to rhombohedral structure at the milling time of 100, displaying a specific surface area of 946.499 m2/g and mean pore diameter of 3.42 nm. It was shown that by tuning the surface area and fullerene contents in the sample, the MW reflection loss of such activated carbon can be controlled. It is established that fullerene-C70 derived from the proposed activated carbon may be useful to produce low-cost and efficient MW absorption materials needed for diverse electronic devices with reduced electromagnetic interference. Elsevier Ltd 2022 Article PeerReviewed application/pdf en http://eprints.utm.my/103517/1/SibKrishnaGhoshal2022_ImprovedMicrowaveAbsorptionTraits.pdf Wahyu Widanarto, Wahyu Widanarto and Budianti, Siska Irma and Ghoshal, Sib Krishna and Candra Kurniawan, Candra Kurniawan and Erfan Handoko, Erfan Handoko and Mudrik Alaydrus, Mudrik Alaydrus (2022) Improved microwave absorption traits of coconut shells-derived activated carbon. Diamond and Related Materials, 126 (NA). pp. 1-6. ISSN 0925-9635 http://dx.doi.org/10.1016/j.diamond.2022.109059 DOI : 10.1016/j.diamond.2022.109059
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic QC Physics
spellingShingle QC Physics
Wahyu Widanarto, Wahyu Widanarto
Budianti, Siska Irma
Ghoshal, Sib Krishna
Candra Kurniawan, Candra Kurniawan
Erfan Handoko, Erfan Handoko
Mudrik Alaydrus, Mudrik Alaydrus
Improved microwave absorption traits of coconut shells-derived activated carbon
description Novel multi-functional materials with very high microwave (MW) absorbance in the X-band became demanding for varied high-sensitive electronic applications. To meet this goal, a new type of activated carbon sample containing fullerene-C70 was derived from coconut shells using the combined physical activation and milling process for the first time. The effects of various milling times (50, 75, and 100 min) on the structure, morphology, and MW reflection traits of these samples were examined. The crystalline phase of the activated fullerene-C70 was found to alter from cubic to rhombohedral structure at the milling time of 100, displaying a specific surface area of 946.499 m2/g and mean pore diameter of 3.42 nm. It was shown that by tuning the surface area and fullerene contents in the sample, the MW reflection loss of such activated carbon can be controlled. It is established that fullerene-C70 derived from the proposed activated carbon may be useful to produce low-cost and efficient MW absorption materials needed for diverse electronic devices with reduced electromagnetic interference.
format Article
author Wahyu Widanarto, Wahyu Widanarto
Budianti, Siska Irma
Ghoshal, Sib Krishna
Candra Kurniawan, Candra Kurniawan
Erfan Handoko, Erfan Handoko
Mudrik Alaydrus, Mudrik Alaydrus
author_facet Wahyu Widanarto, Wahyu Widanarto
Budianti, Siska Irma
Ghoshal, Sib Krishna
Candra Kurniawan, Candra Kurniawan
Erfan Handoko, Erfan Handoko
Mudrik Alaydrus, Mudrik Alaydrus
author_sort Wahyu Widanarto, Wahyu Widanarto
title Improved microwave absorption traits of coconut shells-derived activated carbon
title_short Improved microwave absorption traits of coconut shells-derived activated carbon
title_full Improved microwave absorption traits of coconut shells-derived activated carbon
title_fullStr Improved microwave absorption traits of coconut shells-derived activated carbon
title_full_unstemmed Improved microwave absorption traits of coconut shells-derived activated carbon
title_sort improved microwave absorption traits of coconut shells-derived activated carbon
publisher Elsevier Ltd
publishDate 2022
url http://eprints.utm.my/103517/1/SibKrishnaGhoshal2022_ImprovedMicrowaveAbsorptionTraits.pdf
http://eprints.utm.my/103517/
http://dx.doi.org/10.1016/j.diamond.2022.109059
_version_ 1783876375443144704
score 13.251813

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