Morfologi Dan Sifat Optik Lapisan Tipis Opal yang Dideposisi Menggunakan Metode Modified Vertical Deposition
DOI:
https://doi.org/10.25077/jfu.8.1.1-5.2019Abstract
Telah dilakukan pembuatan lapisan tipis opal dengan menggunakan metode modified vertical deposition. Pada penelitian ini dilakukan analisis pengaruh kecepatan penarikan substrat dari suspensi koloid polysterene terhadap sifat optik dan homogenitas ketebalan lapisan tipis opal. Pembuatan sampel dilakukan dengan kecepatan penarikan 1 mm/jam, 5 mm/jam, 10 mm/jam dan 12 mm/jam. Sampel dikarakterisasi menggunakan mikroskop optik, spektrofotometer UV-Vis dan SEM (Scanning Electron Microscopy). Mikroskop Optik menunjukkan ketebalan lapisan opal yang tidak homogen. Karakterisasi UV-Vis menunjukkan adanya puncak absorbansi pada lapisan opal pada kecepatan 1 mm/jam sedangkan SEM menunjukkan adanya lapisan opal yang multilayer (berlapis banyak) pada kecepatan penarikan 1 mm/jam.
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Kata kunci: Lapisan tipis opal, Mikroskop Optik, SEM, UV-Vis, variasi kecepatan.
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