%A 1517041070 SRI RAHAYU
%T PENGARUH LAJU PENGINJEKSIAN DOPING FLUOR TERHADAP
AKTIVITAS FOTOKATALIS NANOTITANIA MENGGUNAKAN

METODE SOL GEL
%X Sintesis titania doping fluor (F-TiO2) dilakukan melalui metode sol-gel. Titanium
isopropoksida (TTIP), tween-80, isopropanol dan ammonium fluorida (NH4F)
sebagai sumber doping fluor digunakan sebagai bahan utama. Penelitian ini
bertujuan untuk mempelajari pengaruh laju penginjeksian doping fluor
menggunakan pompa injeksi terhadap aktivitas fotokatalis F-TiO2. Empat sampel
doping fluor dipreparasi dengan laju penetesa masing-masing 0,4 ml/30 menit; 0,4
ml/60 menit; 0,4 ml/90 menit dan 0,4 ml/120 menit. Serbuk titania dikalsinasi
pada suhu 450 oC selama 5 jam. Sampel yang disinter diuji untuk fotodegradasi
remazol kuning di bawah sinar UV. Karakteristik fisika dianallisis menggunakan
transmission electron microscopy (TEM) dan Spektrofotometer Uv-Vis. Hasil
pengujian spektrofotometer UV-Vis menunjukkan bahwa ukuran partikel sampel
dengan laju penginjeksian 0,4 ml/90 menit menunjukkan aktivitas fotokatalis yang
lebih tinggi dengan ukuran partikel sebesar (14 ? 4) nm.
Kata Kunci: Doping fluor, fotodegradasi, remazol kuning, titania.
The F-doped titania was carried out through the sol-gel method. Titanium
isopropoxide (TTIP), tween-80, isopropanol and ammonium fluoride (NH4F) as
sources of doping fluorine were used as the main ingredients. This research
aimed to study the effect of fluorine doping injection rate using injection pumps
on F-TiO2 photocatalyst activity. Four fluorine doping samples were prepared
with the respective penetration rate of 0.4 ml / 30 minutes; 0.4 ml / 60 minutes;
0.4 ml / 90 minutes and 0.4 ml / 120 minutes. The titania powder was calcined at
450 oC for 5 hours. The sintered sample was tested for photodegradation of
remazol yellow under UV light. Physical characteristics were analyzed using
transmission electron microscopy (TEM) and UV-Vis spectrophotometer. The
results of the UV-Vis spectrophotometer showed that the particle size of samples
with an injection rate of 0.4 ml / 90 minutes showed higher photocatalyst activity
with particle sizes of (14 ? 4) nm.
Keywords: Fluor doped, photodegradation,remazol yellow, titania.
%C UNIVERSITAS LAMPUNG
%D 2019
%I FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM
%L eprints57353