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Detail Karya Ilmiah Dosen

Linda Jati Kusumawardani

Judul : Study of Structural and Optical Properties of Fe(III)-Doped TiO2 Prepared by Sol-Gel Method
Abstrak :

This study investigated the structural and optical properties of Iron(III)-doped titanium
dioxide (Fe-TiO2) powders which were synthesized by sol-gel method with a post-annealing
temperature at 500oC. Iron(III)-doped titanium dioxide was prepared from Titanium (IV)
Isopropoxide and Iron (III) Chloride (FeCl3). Iron (III) Chloride was added in different
concentration (5, 7.5 and 10 % w/w). The synthesis powders were characterized by FTIR,
Diffuse Reflectance Spectroscopy (DRS), Field Effect Scanning Electron Microscopy (FESEM),
X-ray Diffraction (XRD) and BET. FESEM analysis showed the morphology of 10 % (w/w) Fe
doped TiO2 were homogeneous with the presence of less aggregate of iron. Meanwhile, The
surface area of the sample TiO2-Fe 7.5% calculated from the BET adsorption plot is 107.096
m2/g. This surface area is higher than the sample TiO2-Fe 10% is 95,241 m2. It is confirmed that
iron insert to the pore of TiO2. DRS Analysis revealed the light absorption in the visible region
was increased with increasing the iron concentration up to 10% (w/w).

Tahun : 2019 Media Publikasi : Seminar Internasional
Kategori : Prosiding No/Vol/Tahun : IOP Conf. Series: Earth and Environmental Science 299 (2019) 012066 / IOP Conf. Series: Earth and Environmental Science / 2019
ISSN/ISBN : IOP Publishing
PTN/S : Universitas Pakuan Program Studi : KIMIA
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