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All Journal Indonesian Journal of Chemical Analysis (IJCA)
Puji Ardiningsih
Chemistry Department, Universitas Tanjangpura
Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science

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Synthesis of Ni doped-TiO2 Thin Film Photocatalysts on Glass Surfaces Margareta Caroline Harunrasjid; Anthoni Batahan Aritonang; M. Agus Wibowo; Puji Ardiningsih; Adhitiyawarman Adhitiyawarman
Indonesian Journal of Chemical Analysis (IJCA) Vol. 6 No. 1 (2023): Indonesian Journal of Chemical Analysis
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijca.vol6.iss1.art9

Abstract

Thin film of TiO2 modified Ni2+ cationic (Ni doped-TiO2) thin films were synthesized from titanium tetraisopropoxide (TTIP) and Ni(NO3)2.6H2O using the combined sol-gel and dip coating method followed by calcination at 500oC for an hour. This study aims to determine the concentration of Ni2+ and the optimum number of layers for application as self-cleaning. Frontier transform infrared (FTIR) spectrophotometric analysis observed a shift in the vibration absorption peak of Ti-O towards a smaller wave number as an indication that the Ni2+ cationic have incorporated in the TiO2matrix in forming Ni-TiO2. Based on the of x-ray diffraction (XRD) it is known that Ni-TiO2 has anatase crystalline phase with a crystallite size of 149.20 nm. Diffuse reflectance ultraviolet-visible (DRSUV-Vis) spectrophotometry showed a decrease in the bandgap energy (3.2 eV to 2.22 eV). Surface morphological by scanning electron microscopy (SEM) method showed that the addition of polyethylene glycol (PEG) resulted in a more homogeneous distribution of particles than thin films without PEG. The self-cleaning activity of Ni-TiO2 was tested for surface hydrophilic properties by measuring the contact angle of water and oil droplets under visible light illumination.
Co-Authors Adhitiyawarman, Adhitiyawarman Aritonang, Anthoni Batahan M. Agus Wibowo Margareta Caroline Harunrasjid