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All Journal The Journal of Pure and Applied Chemistry Research JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya
Nur Aini
Department Of Chemistry, Faculty Science And Technology, Universitas Islam Negeri Maulana Malik Ibrahim Malang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology

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The Effect of Temperature Synthesis on the Plate-Like Particle of Bi4Ti3O12 Obtained by Single Molten NaCl Salt Sheley Marela; Nur Aini; Arie Hardian; Veinardi Suendo; Anton Prasetyo
The Journal of Pure and Applied Chemistry Research Vol 10, No 1 (2021): Edition January-April 2021
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2021.010.01.570

Abstract

Three-layer Aurivillius compound bismuth titanate (Bi4Ti3O12) is well known for having interesting properties such as ferroelectric and photocatalyst. Many researchers reported that the unique plate-like shaped particle affecting ferroelectric and photocatalyst properties. The molten salt synthesis is the common simple method to obtain that unique morphology. In this research, Bi4Ti3O12 was synthesized using single molten salt NaCl at various temperatures, which is 800, 850, 900, and 950 oC. X-Ray Diffraction data showed that all obtained Bi4Ti3O12 have a B2cb space group with no impurities detected. The Raman spectra shows the characteristic vibration modes of Bi4Ti3O12 at 62, 117, 228, 269, 332, 364, 536, 851 cm-1. The plate-like shaped particle was confirmed by SEM analysis. Based on SEM images, the size of the particle increased along with the synthesis temperature, which is due to the thermal effect on grain growth.
Sintesis Material Fotokatalis Strontium titanat (SrTiO3) dengan Metode Hidrotermal pada Variasi Suhu Mohamad Thoif; Anton Prasetyo; Nur Aini
JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya Vol 4, No 1 (2020)
Publisher : State University of Malang or Universitas Negeri Malang (UM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.307 KB) | DOI: 10.17977/um0260v4i12020p008

Abstract

SrTiO3 disintesis dengan menggunakan metode hidrotermal dengan variasi 150, 175, 200, dan 225 oC selama 24 jam. Dari data XRD diperoleh hasil bahwa senyawa SrTiO3 berhasil disintesis pada suhu sintesis 150, 175 dan 200 oC akan tetapi masih ditemukan fasa pengotor berupa TiO2. Morfologi partikel senyawa produk yang disintesis pada suhu 200 oC berbentuk kubus dan mempunyai ukuran yang paling besar dibandingkan sampel produk lainnya. Dari spectra DRS dapat diketahui bahwa nilai band gap senyawa SrTiO yang diperoleh pada rentang 3,14-3,20 eV.
Synthesis of Microsheets Bi4Ti3O12 and Bi4Ti2.95V0.05O12 via Molten NaCl-KCl Salt Method Anton Prasetyo; Andy Nur Muhammad Guntur; Suci Noerfaiqotul Himmah; Nur Aini; Usman Ali Rouf; Abdul Aziz
The Journal of Pure and Applied Chemistry Research Vol 11, No 3 (2022): Edition September-December 2022
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2022.011.03.703

Abstract

Bi4Ti3O12 is a tri-layer Aurivillius member compound that was reported to have good photocatalytic properties. Metal element doping and morphological particle tuning are strategies to increase photocatalyst activity. In this research, the compound micro sheets Bi4Ti3O12 and Bi4Ti2.95V0.05O12 were synthesized using molten NaCl/KCl salt. The diffractogram shows that the Bi4Ti3O12 sample was successfully synthesized, however, there are still found impurities at the Bi4Ti2.95V0.05O12 sample. Micrographs showed that the morphology particle samples is. The results of UV-Vis DRS spectra calculation show that both samples have a band gap energy of ~2.97 eV.
Co-Authors Abdul Aziz Andy Nur Muhammad Guntur Anton Prasetyo Arie Hardian Mohamad Thoif Sheley Marela Suci Noerfaiqotul Himmah Usman Ali Rouf Veinardi Suendo