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Title:Metal oxide and metal carbides thin films for photo/electrochemical water splitting studies
Authors:ID European Nanoscience and Nanotechnology Association (Copyright holder)
ID Emin, Saim, Materials Research Laboratory, University of Nova Gorica (Author)
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Language:English
Work type:Not categorized
Typology:1.12 - Published Scientific Conference Contribution Abstract
Organization:UNG - University of Nova Gorica
Abstract:We used wet-chemistry techniques to prepare colloidal tungsten (W) nanoparticles (NPs). The synthesis of W NPs was conducted using the so called hot-matrix method in 1-octadecene [1]. The sizes of obtained W NPs are in the order of 2 - 5 nm. These W NPs are coated with hydrophobic molecules which allow their dispersion in organic solvents like choloroform (CHCl3). It was found that the colloidal stability of the dispersions is exceptionally high exceeding several years. The stability of W NPs which prevents coagulation allows the preparation of thin films with uniform thicknesses by spin-coating, inkjet-printing and spray coating. We have prepared both tungsten trioxide (WO3) and tungsten carbide (W2C, WC) thin films. The preparation of WO3 thin films was achieved by spin-coating of W NPs on fluorine doped tin oxide (FTO) glass substrates and following thermal treatment in air at 500°C. The preparation of W2C and WC were done after spin-coating of W NPs on graphite substrate and following heat treatment under Ar atmosphere at 1000 and 1450°C. The obtained WO3 and W2C (e.g WC) films were used both in photo/electrochemical water splitting studies. In conclusion, we have developed a procedure for the synthesis of W NPs which can be used for the preparation of different class of materials for water splitting studies.
Keywords:metal oxides, metal carbides, tungsten nanoparticles
Publication status:Published
Year of publishing:2017
Number of pages:136
PID:20.500.12556/RUNG-3301-fbf6e2a3-d867-0295-8b84-1e719815fc11 New window
COBISS.SI-ID:4927739 New window
NUK URN:URN:SI:UNG:REP:6UHO3DI4
Publication date in RUNG:09.10.2017
Views:6897
Downloads:0
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EMIN, Saim, 2017, Metal oxide and metal carbides thin films for photo/electrochemical water splitting studies. In : International Conference on Functional Nanomaterials and Nanodevices [online]. Published Scientific Conference Contribution Abstract. Sofia, Bulgaria. 2017. [Accessed 3 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=3301
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Record is a part of a monograph

Title:International Conference on Functional Nanomaterials and Nanodevices
Editors:Saim Emin
Place of publishing:Sofia, Bulgaria
Publisher:Veles
Year of publishing:2017
ISBN:978-954-2987-31-4
Conference organizer:Saim Emin / European Nanoscience and Nanotechnology Association

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