eprintid: 15556 rev_number: 2 eprint_status: archive userid: 1 dir: disk0/00/01/55/56 datestamp: 2023-11-10 03:30:11 lastmod: 2023-11-10 03:30:11 status_changed: 2023-11-10 01:59:47 type: conference_item metadata_visibility: show creators_name: Mohd Ridzuan, N.D. creators_name: Shaharun, M.S. creators_name: Din, I.U. creators_name: Puspitasari, P. title: Synthesis and Characterization of Nickelâ��Magnesium Catalyst Supported on Reduced Graphene Oxide ispublished: pub note: cited By 0; Conference of 6th International Conference on Fundamental and Applied Sciences, ICFAS 2020 ; Conference Date: 13 July 2021 Through 15 July 2021; Conference Code:270909 abstract: In this study, nickelâ��magnesium catalyst supported on reduced graphene oxide nanosheets was synthesized. rGO support was characterized by X-ray diffraction (XRD), surface area and porosity, and thermogravimetric analysis, and fourier-transform infrared (FTIR) and Raman spectroscopy to understand its physicochemical properties. The results revealed that the edge-oxidized rGO has high surface area (258.11 m2gâ��1) with approximately 36 multi graphitic layers where interlayer spacing is 0.336 nm each. High thermal stability of rGO makes it an excellent support to be used for high-temperature catalytic activity. Subsequently, rGO supported catalysts were synthesized via incipient wetness impregnation method. The amount of Ni was fixed at 20 wt whilst Mg was varied at 0 wt and 5 wt relative to rGO content to assess its effect as second metal towards properties of the catalyst. X-ray diffractograms of Ni20/rGO and Ni20Mg5/rGO demonstrated formation of new peaks due to presence of NiO and NiOâ��MgO whereas (002) rGO peak at 26.5° does not show obvious changes, concluding the stability of rGO after the impregnation and calcination processes. Upon impregnation, the surface area and porosity of Ni20/rGO is lower than that of rGO due to dispersion of Ni metal on the rGO surface. BET surface area of Ni20Mg5/rGO catalyst further decreases to 103.95 m2gâ��1 due to the addition of metal content but its porosity is higher than Ni20/rGO. Hence, it is postulated that Ni and Mg metal form solid solution (NiOâ��MgO) on rGO nanosheets which has bigger particle size compared to NiO, lowering its penetration into rGO mesopores. © 2021, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. date: 2021 publisher: Springer Science and Business Media B.V. official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85123287218&doi=10.1007%2f978-981-16-4513-6_20&partnerID=40&md5=683bdf10e524a8085fe6480894817df3 id_number: 10.1007/978-981-16-4513-6₂₀ full_text_status: none publication: Springer Proceedings in Complexity pagerange: 225-237 refereed: TRUE isbn: 9789811645129 issn: 22138684 citation: Mohd Ridzuan, N.D. and Shaharun, M.S. and Din, I.U. and Puspitasari, P. (2021) Synthesis and Characterization of Nickelâ��Magnesium Catalyst Supported on Reduced Graphene Oxide. In: UNSPECIFIED.