2020
DOI: 10.21580/wjc.v3i2.6593
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Studi Density Functional Theory (DFT) Pengaruh Co-doping Zn dan N pada TiO2 Anatas

Abstract: <p>Titanium dioksida (TiO<sub>2</sub>) merupakan salah satu bahan yang menjanjikan yang memenuhi persyaratan fotokatalis. Penelitian ini mempelajari pengaruh doping Zn dan N pada struktur geometri dan elektronik TiO<sub>2</sub> anatas. Untuk mengetahui struktur dan proses kinerja fotokatalitik digunakan perhitungan <em>density functional theory</em> (DFT) dengan algoritma generalized <em>gradient approximation</em> (GGA) menggunakan parameterisasi Perdew-Bu… Show more

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“…So it can increase the photocatalytic activity of TiO 2 . 47 However, the nitrogen volume above 1 mL decreases the photocatalytic activity. This is because the higher volume of added dopant nitrogen beyond its optimum limit resulted in a partial covering of the TiO 2 surface where the Cr( vi ) reduction reaction occurred, thereby increasing the chances of electron–hole recombination during the photocatalytic process.…”
Section: Resultsmentioning
confidence: 99%
“…So it can increase the photocatalytic activity of TiO 2 . 47 However, the nitrogen volume above 1 mL decreases the photocatalytic activity. This is because the higher volume of added dopant nitrogen beyond its optimum limit resulted in a partial covering of the TiO 2 surface where the Cr( vi ) reduction reaction occurred, thereby increasing the chances of electron–hole recombination during the photocatalytic process.…”
Section: Resultsmentioning
confidence: 99%