Fast and Straightforward Synthesis of Luminescent Titanium(IV) Dioxide Quantum Dots

Author:

Štengl Václav1ORCID,Henych Jiří1,Šťastný Martin1,Kormunda Martin2

Affiliation:

1. Department of Material Chemistry, Institute of Inorganic Chemistry AS CR v.v.i., 250 68 Řež, Czech Republic

2. Department of Physics, Faculty of Science, J. E. Purkyně University in Ústí nad Labem, 400 96 Ustí nad Labem, Czech Republic

Abstract

The nucleus of titania was prepared by reaction of solution titanium oxosulphate with hydrazine hydrate. These titania nuclei were used for titania quantum dots synthesis by a simple and fast method. The prepared titanium(IV) dioxide quantum dots were characterized by measurement of X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), high-resolution electron microscopy (HRTEM), and selected area electron diffraction (SAED). The optical properties were determined by photoluminescence (PL) spectra. The prepared titanium(IV) dioxide quantum dots have the narrow range of UV excitation (365–400 nm) and also a close range of emission maxima (450–500 nm).

Funder

RVO

Publisher

Hindawi Limited

Subject

General Materials Science

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