PENGARUH PENAMBAHAN Na-ALGINAT DALAM PROSES EKSFOLIASI GRAFIT DENGAN METODE PENCAMPURAN
DOI:
10.29303/jpm.v12i1.311Published:
2017-05-29Downloads
Abstract
Studi pengaruh penambahan Na-alginat dalam proses eksfoliasi grafit telah dilakukan melalui sintesis dan kajian komputasi menggunakan teori fungsi kerapatan pada level B3LYP/6-31G(d). Penelitian ini bertujuan mengkaji pengaruh Na-alginat terhadap pembentukkan partikel grafen sebagai bentuk interaksi elektrostatik antar keduanya. Pencampuran material dilakukan menggunakan metode percampuran kimia. Karakterisasi komposit dilakukan menggunakan spektrofotometer inframerah (FT-IR) untuk mengamati perubahan serapan dan gugus fungsi komposit. Energi disosiasi ikatan (BDE) didapatkan 14 kali lebih besar akibat pengaruh interaksi Na-alginat dalam proses exfoliasi membentuk kompleks komposit. Kajian ini akan sangat berkontribusi dalam mendesain dan sintesis senyawa lapis tipis semikonduktor dari bahan grafit.
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