STUDI PENGARUH SUBSTRAT INDIUM TIN OXIDE (ITO) DAN SILIKON PADA STRUKTUR KRISTAL ZINC OXIDE (ZNO) NANORODS

JACKQLUINE APRILIA VICTORIA, . (2021) STUDI PENGARUH SUBSTRAT INDIUM TIN OXIDE (ITO) DAN SILIKON PADA STRUKTUR KRISTAL ZINC OXIDE (ZNO) NANORODS. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

ZnO nanorod berhasil disintesis pada penelitian Amalia Dini Silmina (Fisika, 2014) menggunakan metode hidrotermal/CBD. ZnO nanorod ditumbuhkan diatas substrat Indium Tin Oxide (ITO) dan silikon pada suhu 95°C dengan hidrotermal selama 2 jam. Penelitian ini difokuskan pada pengaruh substrat ITO dan silikon terhadap struktur kristal nanorod ZnO serta untuk mengetahui nilai dari parameter fisika yaitu konstanta kisi, ukuran kristalit, regangan kisi, volume unit atom dan densitas menggunakan metode rietveld refinement. Hasil menunjukkan bahwa kedua sampel memiliki struktur kristal hexagonal wurtzite, fasa tunggal dan bersifat polikristalin dengan konstanta kisi a = b = 3.2502 dan c = 5.20704 Å untuk ZnO nanorod dengan substrat ITO dan a = b = 3.24979 dan c = 5.20534 Å untuk substrat silikon. ZnO nanorod dengan substrat ITO dan silikon memiliki ukuran kristalit rata-rata, masing-masing 44.952 nm dan 43.832 nm, regangan kisi = 5.490 × 〖10〗^(-3) dan 3.446 × 〖10〗^(-3), volume unit atom = 47.636642 Å^3 dan 47.609062 Å^3, densitas = 17.020 gr⁄cm^3 dan 17.030 gr⁄cm^3 . Kedua sampel memiliki 7 puncak dengan orientasi kristal yang berbeda dan memiliki 3 puncak dengan orientasi paling tinggi yaitu pada hkl (100), (002) dan (101) masing-masing pada 2θ = 31.76°, 34.42° dan 36.25° untuk ZnO ITO nanorod dan 31.77°, 34.43° dan 36.25° untuk ZnO silikon nanorod. ZnO nanorod was successfully synthesized in Amalia Dini Silmina's research (Physics, 2014) using the hydrothermal/CBD method. ZnO nanorods were grown on Indium Tin Oxide (ITO) and silicon substrates at 95°C hydrothermally for 2 hours. This study focused on the effect of ITO and silicon substrates on the crystal structure of ZnO nanorods and to determine the value of physical parameters, namely lattice constant, crystallite size, lattice strain, atomic unit volume and density using the Rietveld Refinement Method. The results showed that both samples had a hexagonal wurtzite crystal structure, single phase and polycrystalline with lattice constants a = b = 3.2502 and c = 5.20704 Å for ZnO nanorod with ITO substrate and a = b = 3.24979 and c = 5.20534 Å for silicon substrate. ZnO nanorods with ITO and silicon substrates have average crystallite sizes, each 44.952 nm and 43.832 nm, respectively, lattice strain = 5.490 × 〖10〗^(-3) and 3.446 × 〖10〗^(-3), unit volume atom = 47.636642 Å^3 and 47.609062 Å^3, density = 17,020 gr⁄cm^3 3 and 17,030 gr⁄cm^3 . Both samples have 7 peaks with different crystal orientations and have 3 peaks with the highest orientation at hkl (100), (002) and (101) each at 2θ = 31.76°, 34.42° and 36.25° for ZnO ITO nanorods, respectively. and 31.77°, 34.43° and 36.25° for ZnO silicon nanorods.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Dr. Iwan Sugihartono, M.Si. ; 2). Dr. Isnaeni, M.Sc.
Subjects:	Sains > Fisika
Divisions:	FMIPA > S1 Fisika
Depositing User:	Users 11528 not found.
Date Deposited:	07 Sep 2021 08:08
Last Modified:	07 Sep 2021 08:08
URI:	http://repository.unj.ac.id/id/eprint/19317

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