Karya
Judul/Title Effect of Gold Modification on the Properties and Photoactivity of Fe3O4/SiO2/TiO2 in the Degradation of Nitrobenzene
Penulis/Author KURNIAWAN MAULUDI (1); Prof. Dr.rer.nat. Nuryono, M.S. (2); Prof. Drs. Roto, M.Eng, Ph.D. (3); Dr. Muhammad Idham Darussalam Mardjan S.Si., M.Sc. (4); Prof. Dra. Eko Sri Kunarti, M.Si., Ph.D. (5)
Tanggal/Date 2022
Kata Kunci/Keyword
Abstrak/Abstract Efficient gold-modified-Fe3O4/SiO2/TiO2 photocatalysts have been synthesized and employed for nitrobenzene degradation under UV-visible illumination. The results revealed that the prepared Fe3O4/SiO2/TiO2-Au photocatalysts displayed magnetic properties. In addition, the modification of Au reduced the energy of the band gap of the photocatalyst, increased the responsiveness of TiO2 to visible light, and enhanced the photoactivity for nitrobenzene degradation. The optimum photocatalytic activity was obtained when 4% of Au was added to Fe3O4/SiO2/TiO2. The photodegradation percentages of 20 mg/L of nitrobenzene using Fe3O4/SiO2/TiO2-Au 4%, at pH 7 for 75 min under UV and visible light were 94.2% and 93.16%, respectively.
Rumpun Ilmu Kimia
Bahasa Asli/Original Language English
Level Internasional
Status
Dokumen Karya
No Judul Tipe Dokumen Aksi
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