Naslov: | Design of a highly photocatalytically active ZnO/CuWO4 nanocomposite |
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Avtorji: | Emin, Saim (Avtor) Valant, Matjaz (Avtor) |
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Datoteke: | Gradivo nima datotek. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u.  |
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Jezik: | Angleški jezik |
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Vrsta gradiva: | Delo ni kategorizirano (r6) |
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Tipologija: | 1.10 - Objavljeni povzetek znanstvenega prispevka na konferenci (vabljeno predavanje) |
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Organizacija: | UNG - Univerza v Novi Gorici |
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Opis: | We report the synthesis, photocatalytic activity and mechanistic study of a novel heterostructure (HTS) with an efficient charge separation. A ZnO/CuWO4 HTS material is reported for the first time. The nanocomposite (NC) consists of CuWO4 nanoparticles (ca. 200-400 nm) decorated with ZnO nanorods (ca. 30 nm, 100 nm length) and is shown to be a highly active photocatalyst for decomposition of model contaminants including methyl orange and terephthalic acid. The ZnO/CuWO4 interface is shown to be the key for controlling the enhanced activity of the composite material. Transient absorption spectroscopy studies demonstrated that a photoinduced charge transfer across the ZnO/CuWO4 interface increased electron-hole lifetime by 3 orders of magnitude, from < 20 s in ZnO to 30 ms in the ZnO/CuWO4 NC sample. Our findings show that through interface design efficient HTS materials can be prepared for a wide range of photocatalytic applications. |
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Ključne besede: | CuWO4, nanocomposite, transient absorption spectroscopy |
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Leto izida: | 2017 |
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COBISS_ID: | 4881915  |
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URN: | URN:SI:UNG:REP:XLOPJ3ER |
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Število ogledov: | 3656 |
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Število prenosov: | 0 |
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Metapodatki: |  |
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Področja: | Gradivo ni uvrščeno v področja. |
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| | | Skupna ocena: | (0 glasov) |
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Vaša ocena: | Ocenjevanje je dovoljeno samo prijavljenim uporabnikom. |
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