PENENTUAN CELAH ENERGI OPTIK EKSTRAK DAUN ALPUKAT (PERSEA AMERICANA MILL) ASAL DESA OINLASI MENGGUNAKAN METODE TAUC PLOT

Magdalena M. Y. Missa, R. K. Pingak, H. I. Sutaji
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引用次数: 5

Abstract

Abstrak Telah ditentukan celah energi optik ekstrak daun alpukat (Persea Americana Mill) asal Desa Oinlasi menggunakan metode Tauc plot. Penentuan nilai celah energi ditentukan untuk 3 kemungkinan jenis transisi yaitu direct transition, indirect transition, dan direct forbidden transition. Berdasarkan perhitungan menggunakan metode Tauc plot, celah energi rata-rata yang diperoleh untuk masing-masing transisi secara berturut-turut adalah 1,834 eV, 1,829 eV, dan 1,835 eV. Berdasarkan nilai celah energi senyawa hasil ekstrak daun alpukat dapat dikelompokkan sebagai bahan semikonduktor. Oleh karena itu, disimpulkan bahwa ekstrak daun alpukat berpotensi digunakan sebagai bahan alternatif piranti elektronik. Kata kunci : Daun alpukat, celah energi, semikonduktor, Tauc plot Abstract A study on determination optical energy gap of avocado leaves extract (Persea Americana Mill) from Oinlasi Village using Tauc plot method has been done. Determination of energy gap value was done for 3 possible transition types : direct transition, indirect transition, and direct forbidden transition. Based on calculations using Tauc plot method, energy gap average obtained for each transition are 1,834 eV, 1,829 eV, and 1,835 eV, respectively. Based on this energy gap value, the compound of avocado leaves extract can be categorized as a semiconducting material. Therefore, it can be concluded that avocado leaves extract has the potential to be used as alternative materials in electronic devices. Keywords : avocado leaves, energy gap, semiconductor, Tauc plot
利用TAUC绘图法确定了来自OINLASI村的光能提取
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