TRANFORMASI POLIMORFIK DAN KARAKTERISASI MIKROSTRUKTUR FASA TiO2 YANG DIHASILKAN MELALUI KALSINASI NANOPITA HIDROGEN TITANAT
DOI:
https://doi.org/10.21831/jsd.v1i1.2351Abstract
Sodium titanates were synthesized by hydrothermal method using Ti(O2)O.2H2O as the startingmaterial in 10 M NaOH at 150°C for 72 h. Hydrogen titanate nanoribbons were obtained by ion exchange
of H+ for K+ in sodium titanates by 0.1 M HCl. TiO2 (B), anatase, and anatase-rutile mixture were obtained
by the calcinations of hydrogen titanate nanoribbons for 2 h at 500, 700, and 900°c respectively.
Hydrogen titanate nanoribbons were characterized by X-rays Diffraction (XRD), High Resolution Scanning
Electron Microscopy (HRSEM) and High Resolution Transmition Electron Microscopy (HRTEM).
Microstructure of pseudo-TiO2 (B), anatase, and rutile prepared by the calcinations of hydrogen titanates
have been determinated in ab initio by the Two Stage Method from powder XRD data. Hydrogen titanates
nanoribbons convert into pseudo-TiO2(B) then anatase and finaly rutile structures by heat treatment.
Keywords: polymorphic transformation, microstructure characterization, titanium dioxide
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Published
2014-09-23
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[1]
Sutrisno, H. 2014. TRANFORMASI POLIMORFIK DAN KARAKTERISASI MIKROSTRUKTUR FASA TiO2 YANG DIHASILKAN MELALUI KALSINASI NANOPITA HIDROGEN TITANAT. Jurnal Sains Dasar. 1, 1 (Sep. 2014). DOI:https://doi.org/10.21831/jsd.v1i1.2351.
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