One-Pot Synthesis of Titanate Nanotubes Decorated with Anatase Nanoparticles Using a Microwave-Assisted Hydrothermal Reaction
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Author(s)
Gusmão, Suziete B. S.
Ghosh, Anupama
Marques, Thalles M. F.
Ferreira, Odair P.
Lobo, Anderson Oliveira
Osajima, Josy A. O.
Luz-Lima, Cleanio
Sousa, Romulo R. M.
Matos, Jose M. E.
Viana, Bartolomeu C.
Date Issued
March 2019
Journal
Journal of Nanomaterials
Publisher
Hindawi Limited
Citation
Suziete B. S. et al., “One-Pot Synthesis of Titanate Nanotubes Decorated with Anatase Nanoparticles Using a Microwave-Assisted Hydrothermal Reaction,” Journal of Nanomaterials (March 2019): 4825432. © 2019 Suziete B. S. Gusmão et al.
Version
Final published version
Abstract
A nanoheterostructure of titanate nanotubes decorated with anatase nanoparticles (TiNT@AnNP) was synthesized for the first time by a microwave-assisted hydrothermal one-pot reaction. Characterization by X-ray diffraction, Raman spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, high-resolution transmission electron microscopy, selected-area electron diffraction, and X-ray photoelectron spectroscopy showed highly crystalline and nanometer-sized TiNT@AnNP. The synthesized TiNT@AnNP degraded an anionic dye (Remazol blue) more efficiently under UV-visible light (380–780 nm) than a commercial anatase-TiO2 precursor. We correlated this increased efficiency of photodegradation to the large surface area and the efficient separation of photoinduced electron-hole pairs. Finally, we propose a mechanism to highlight the influence of a microwave-assisted hydrothermal synthesis in the production of TiNT@AnNP for environmental applications.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
Terms of Use
Attribution 4.0 International
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1155/2019/4825432
