Next Article in Journal
Preparation of Calcined Zirconia-Carbon Composite from Metal Organic Frameworks and Its Application to Adsorption of Crystal Violet and Salicylic Acid
Next Article in Special Issue
Fabrication of Pt/Ti/TiO2 Photoelectrodes by RF-Magnetron Sputtering for Separate Hydrogen and Oxygen Production
Previous Article in Journal
Fabrication of a GMA-co-EDMA Monolith in a 2.0 mm i.d. Polypropylene Housing
Previous Article in Special Issue
Controlled Photocatalytic Synthesis of Core–Shell SiC/Polyaniline Hybrid Nanostructures
Article Menu
Issue 4 (April) cover image

Export Article

Open AccessFeature PaperArticle
Materials 2016, 9(4), 258; doi:10.3390/ma9040258

Synthesis of Shape-Tailored WO3 Micro-/Nanocrystals and the Photocatalytic Activity of WO3/TiO2 Composites

1,†
,
2,3,4,†
,
2,4
,
1
and
2,3,4,5,†,*
1
Faculty of Chemistry and Chemical Engineering, Babeș-Bolyai University, Arany János 11, Cluj-Napoca RO-400028, Romania
2
Faculty of Physics, Babeș–Bolyai University, M. Kogălniceanu 1, Cluj–Napoca RO-400084, Romania
3
Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla tér 1, Szeged HU-6720, Hungary
4
Institute for Interdisciplinary Research on Bio-Nano-Sciences, Treboniu Laurian 42, Cluj-Napoca RO-400271, Romania
5
Institute of Environmental Science and Technology, Tisza Lajos krt. 103, Szeged HU-6720, Hungary
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Klára Hernádi
Received: 10 February 2016 / Revised: 21 March 2016 / Accepted: 24 March 2016 / Published: 31 March 2016
(This article belongs to the Special Issue Advancement of Photocatalytic Materials 2016)
View Full-Text   |   Download PDF [3662 KB, uploaded 31 March 2016]   |  

Abstract

A traditional semiconductor (WO3) was synthesized from different precursors via hydrothermal crystallization targeting the achievement of three different crystal shapes (nanoplates, nanorods and nanostars). The obtained WO3 microcrystals were analyzed by the means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and diffuse reflectance spectroscopy (DRS). These methods contributed to the detailed analysis of the crystal morphology and structural features. The synthesized bare WO3 photocatalysts were totally inactive, while the P25/WO3 composites were efficient under UV light radiation. Furthermore, the maximum achieved activity was even higher than the bare P25’s photocatalytic performance. A correlation was established between the shape of the WO3 crystallites and the observed photocatalytic activity registered during the degradation of different substrates by using P25/WO3 composites. View Full-Text
Keywords: hydrothermal crystallization; WO3 nanocrystallites; WO3/TiO2 nanocomposites; photocatalytic activity; shape tuning/tailoring hydrothermal crystallization; WO3 nanocrystallites; WO3/TiO2 nanocomposites; photocatalytic activity; shape tuning/tailoring
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Székely, I.; Kovács, G.; Baia, L.; Danciu, V.; Pap, Z. Synthesis of Shape-Tailored WO3 Micro-/Nanocrystals and the Photocatalytic Activity of WO3/TiO2 Composites. Materials 2016, 9, 258.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Materials EISSN 1996-1944 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top