Febrina S, Novi (2017) KAJIAN TEORITIS UNTUK MENENTUKAN INDEKS BIAS BERDASARKAN CELAH ENERGI SENYAWA Copper-Phthalocyanine (CuPc)MENGGUNAKAN METODE KOMPUTASI GUI (Graphical User Interface). Undergraduate thesis, UNIMED.
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Abstract
Telahdilakukanpenelitianuntukmenentukanindeks bias senyawasemikonduktorCu-Phthalocyanine berdasarkan celah energinya. Celah energi diperoleh melalui metode komputasi semi empiris ZINDO/Idengan memberikan masukan unsur dan senyawa terlebih dahulu, lalu mengoptimasi, sehingga diperoleh nilai celah energi.Celah energi dihitung berdasarkan selisih energi pada energi Highest Occupied Molecular Orbital(HOMO) dan energi Lowest Unoccupied Molecular Orbital (LUMO).Indeks bias diperoleh dengan metode komputasi dengan memberikan input nilai celah energi terlebih dahulu, di ikuti dengan persamaan untuk menghitung nilai indeks bias. Penentuan nilai indeks bias senyawaCu-Phthalocyanine dapat diperoleh melalui lima persamaan, yaitu :Persamaan Moss, Persamaan Ravindra et al, PersamaanHerve-Vandamme, Persamaan Reddy,dan Persamaan Kumar dan Singh. EnergiHOMO yang diperoleh adalah3,854757 eV dan energi LUMO adalah 3,538368 eV, sehingga diperoleh celah energi sebesar 0,3164. Nilai celah energi yang diperoleh memenuhi kriteria semi konduktor karena memiliki nilai celah energi 0 <Eg< 3.Nilaiindeks bias yang diperoleh dengan celah energi adalah: Moss (4.1627); Ravindra et al (3.8878); Herve-Vandamme (3.7284); Reddy (5.305253); Kumar dan Singh (4.8878).Nilaiindeks bias yang linier atau sesuai berdasarkan jarak celah energi dan ketentuan dari tiap persamaan adalah indeks bias dari persamaan Moss dengan indeks bias sebesar 4,167.
Item Type: | Thesis (Undergraduate) | ||||||
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Subjects: | Q Science > QC Physics > QC350 Optics. Light Q Science > QC Physics > QC474 Radiation physics (General) |
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Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika | ||||||
Depositing User: | Mrs Yuni Chairani | ||||||
Date Deposited: | 07 Mar 2018 02:30 | ||||||
URI: | http://digilib.unimed.ac.id/id/eprint/29440 |
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