Naslov
ZnO nanostructured photocatalysts for water treatment applications

Autori
Magdy Lučić Lavčević, Antonio Penava

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Knjiga sažetaka VII. međunarodnog znanstveno-stručnog skupa VODA ZA SVE / 7th International Scientific and Professional Conference WATER FOR ALL - Book of Abstracts / Habuda-Stanić, Mirna - Osijek : Sveučilište Josipa Jurja Strossmayera u Osijeku, 2016, 81-81

ISBN
978-953-7005-47-4

Skup
7th International Scientific and Professional Conference WATER FOR ALL 1. međunarodni znanstveno-stručni skup VODA ZA SVE

Mjesto i datum
Osijek, Hrvatska, 09.03.2016. - 10.03.2016

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
ZnO, microstructures, nanostructures, mesoporosity, photocatalyst

Sažetak
Metal oxide semiconductor meterails, designed to be applied in photocatalytic systems for water purification, are required to have large specific surface areas, because chemical reactions induced by suitable irradiation take place by contact between their surface and fluid. Zinc oxide is well known as a material that forms various morphologies at the micro- and nanoscale, which can fulfill this requirement. Like most of the photocatalytic semiconductors, it has a band gap in the ultraviolet region. Photocatalytic gradation of an organic dye, as a model pollutant, was studied in aqueous solutions using nanostructures of zinc oxide synthesized in the form of prism, spiky stick and grass blade. They were grown from a solution and their entire morphology was simply controlled by varying the growth conditions, without using any capping or surfactant agents. Detailed characterization of their structure and porosity on the micro- and nanoscale was performed by scanning electron microscope and X-ray scattering measurements. All nanostructures exhibited notable photocatalytic activities. However, remarkable results were achieved with nanostructures in the form of grass blade, which exhibited enhanced photocatalytic activity, even in sunlight. This was ascribed to their specific morphology characterized with a high degree of mesoporosity.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

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