Open AccessEffect of Adding Fe3O4 in Graphene/TiO2/Fe3O4 Composite for Phenol Photodegradation Application
Author(s) -
Desi Heltina,
N Adharianti,
D. G. Randa,
Komalasari
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2049/1/012089
Subject(s) - graphene , composite number , photodegradation , materials science , phenol , catalysis , photocatalysis , fourier transform infrared spectroscopy , scanning electron microscope , degradation (telecommunications) , adsorption , chemical engineering , composite material , nuclear chemistry , chemistry , organic chemistry , nanotechnology , telecommunications , computer science , engineering
In order to improve the performance of TiO 2 , a material that can increase the adsorption ability of TiO 2 is needed, one of which is graphene. Graphene/TiO 2 composites can be used to degrade phenol. The addition of a magnet material to the grapene/TiO 2 composite, namely Fe 3 O 4 is expected to facilitate the separation of the catalyst after being used in the phenol degradation process. This study aims to synthesize and characterize graphene/TiO 2 /Fe 3 O 4 composites. The composite obtained was used to degrade phenol. This research begins with the modification of graphene with the surfactant cocoPAS. Synthesis of graphene/TiO 2 /Fe 3 O 4 composite with various amount of Fe 3 O 4 in composite (0.3, 0.5 and 0.7 g, respectively). Composites used for phenol degradation and separated after degradation. The composite materials were characterized by the scanning electron microscopy (SEM), X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) specific surface areas, Fourier transform infrared (FT-IR) and UV-vis absorption spectroscopy. Graphene/TiO 2 /Fe 3 O 4 composite with a mass of Fe 3 O 4 in the composite of 0.3 g indicates the highest degradation, while the catalyst separation process after phenol degradation showed the fastest time in the separation of the Fe 3 O 4 mass in the composite, which was 0.5 g. the faster the separation time required, but the performance of the composite in degrading phenol is decreasing.