SINTESIS DAN KARAKTERISASI LAPISAN TIPIS TiO2/Ag SEBAGAI FOTOKATALIS AIR DARI SUNGAI BATANGHARI DI KECAMATAN RANTAU RASAU PROVINSI JAMBI

Prasetyo, Wahyu Joko (2021) SINTESIS DAN KARAKTERISASI LAPISAN TIPIS TiO2/Ag SEBAGAI FOTOKATALIS AIR DARI SUNGAI BATANGHARI DI KECAMATAN RANTAU RASAU PROVINSI JAMBI. S1 thesis, Universitas Jambi.

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Abstract

The Batanghari River is a river with a pollution level of IV. If residents were around too often and long to drink water from the Batanghari River directly, it will be contagious for the health of the residents. Efforts to purify water so that it is suitable for use can be carried out through a photocatalyst process, photocatalyst were made by synthesizing a thin layer of TiO2/Ag using the doctor blade technique as a photocatalyst application for Batanghari River water. The purpose of this study was to examine the effect of annealing temperature on the energy band gap and the ability of TiO2/Ag to degraded pollutants in Batanghari River water. The temperature variations used in this study were 350 oC, 400 oC and 450 oC. The degradation test was carried out under a UV-Vis lamp with an intensity of 533 Luxs and 1602 Luxs. The characterizations used were UVVis Spectrophotometer, X-Ray Diffractometer (XRD), and Scanning Electron Microscope (SEM). XRD and SEM tools were only used for the smallest energy band gap, it can be known after the UV-Vis Spectrophotometer test. The results of the energy band gap for the treatment temperatures of 350 oC, 400 oC, and 450 oC respectively were 2.97 eV, 2.90 eV and 2.86 eV. It can be concluded that as the temperature treatment increases, the energy band gap in the sample increases as well. The XRD results at the smallest energy band gap were thin film TiO2/Ag has a tetragonal crystal structure and the crystal size is 53,32 nm. For the SEM results, the particles were spherical and homogeneous, the distribution of the particles were uneven, and agglomeration occurs. The best percentage of degradation were at the light intensity of 1602 Luxs and the temperature treatment of 450 oC on the sample, which is 75.47%.

Type:	Thesis (S1)
Subjects:	Q Science > QC Physics
Depositing User:	Prasetyo
Date Deposited:	21 Dec 2021 04:20
Last Modified:	21 Dec 2021 04:20
URI:	https://repository.unja.ac.id/id/eprint/29167

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