ANALISIS PENGARUH KONSENTRASI OKSIGEN PADA KEKUATAN TARIK GRAFENA



Aldiyanto, Noertova (2024) ANALISIS PENGARUH KONSENTRASI OKSIGEN PADA KEKUATAN TARIK GRAFENA. Skripsi (S1) thesis, Universitas Muhammadiyah Ponorogo.

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Abstract

ANALISIS PENGARUH KONSENTRASI OKSIGEN PADA KEKUATAN
TARIK GRAFENA
Biggy Noertova Aldiyanto
Program Studi Teknik Mesin, Fakultas Teknik, Universitas Muhammadiyah Ponorogo
e-mail : @gmail.com
ABSTRAK
Salah satu material baru yang berkembang akhir-akhir ini adalah grafena. Grafena adalah
material baru tertutup, terkuat, dan terunggul di dunia saat ini yang terbentuk dari satu
lapis atom karbon yang mempunyai struktur hexagonal menyerupai sarang lebah.
Penelitian ini bertujuan untuk menganalisis interaksi antara atom-atom karbon pada
grafena dan oksigen dan terdeposisi pada grafena. Selain itu penelitian ini juga bertujuan
untuk menganalisis konsentrasi oksigen terhadap sifat mekanik grafena. Metode ini
menggunakan prosedur simulasi meliputi: optimasi struktur, Ekulibirasi sistem, pengujian
tarik dan pasca pemrosesan. Sedangkan perangkat yang digunakan dalam penelitian
antara lain: LAMMPS, Mobaxtrem, Avogrado dan Ovito. Hasil penelitian menunjukkan
bahwa doping oksigen pada grafena meningkatkan energi potensial, menurunkan
stabilitas struktur, dan meningkatkan suhu serta tekanan dalam material. Secara mekanik,
penambahan oksigen mengurangi kekuatan tarik maksimum grafena, mengindikasikan
perlunya analisis mendalam untuk aplikasi yang memerlukan kombinasi kekuatan
mekanik dan stabilitas tinggi.
Kata Kunci: Grafena, Oksigen, Simulasi Dinamika Molekuler, Sifat Mekanik
ABSTRACT
One of the new materials that has been developed recently is graphene. Graphene is a
new closed, strongest and superior material in the world today which is formed from one
layer of carbon atoms which has a hexagonal structure resembling a honeycomb. This
research aims to analyze the interaction between carbon atoms in graphene and oxygen
and is deposited on graphene. Apart from that, this research also aims to analyze oxygen
concentration on the mechanical properties of graphene. This method uses simulation
procedures including: structure optimization, system equilibration, tensile testing and
post-processing. Meanwhile, the devices used in the research include: LAMMPS,
Mobaxtrem, Avogrado and Ovito. The results show that oxygen doping in graphene
increases the potential energy, decreases the structural stability, and increases the
temperature and pressure in the material. Mechanically, the addition of oxygen reduces
the maximum tensile strength of graphene, indicating the need for in-depth analysis for
applications requiring a combination of high mechanical strength and stability.
Keywords: Graphene, Oxygen, Molecular Dynamics Simulation, Mechanical Properties.

Item Type: Thesis (Skripsi (S1))
Uncontrolled Keywords: Kata Kunci: Grafena, Oksigen, Simulasi Dinamika Molekuler, Sifat Mekanik. Keywords: Graphene, Oxygen, Molecular Dynamics Simulation, Mechanical Properties.
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions: Faculty of Engineering
Depositing User: ft . userft
Date Deposited: 02 Sep 2024 04:22
Last Modified: 02 Jan 2025 03:35
URI: https://eprints.umpo.ac.id/id/eprint/14842

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