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Enhancement of photocatalytic properties of Co.sup.+2./sup.:ZnO nanowires by applied magnetic field
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SYSNO ASEP 0517472 Druh ASEP A - Abstrakt Zařazení RIV O - Ostatní Název Enhancement of photocatalytic properties of Co+2:ZnO nanowires by applied magnetic field Tvůrce(i) Thaomonpun, J. (TW)
Lin, J.-X. (TW)
Huang, C.H. (TW)
Tseng, Y.T. (TW)
Hsu, H.S. (TW)
Liao, Y.-F. (TW)
Remeš, Zdeněk (FZU-D) RID, ORCIDCelkový počet autorů 7 Zdroj.dok. E-MRS 2019 Fall Meeting and Exhibit. - Warsaw : Warsaw University of Technology, 2019 / Rytel A.
S. 215-215Poč.str. 1 s. Akce E-MRS 2019 Fall Meeting and Exhibit Datum konání 16.09.2019 - 19.09.2019 Místo konání Warsaw Země PL - Polsko Typ akce EUR Jazyk dok. eng - angličtina Země vyd. PL - Polsko Klíč. slova ZnO ; Co ; magnetic properties Vědní obor RIV BM - Fyzika pevných látek a magnetismus Obor OECD Condensed matter physics (including formerly solid state physics, supercond.) CEP EF16_019/0000760 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy GC19-02858J GA ČR - Grantová agentura ČR Institucionální podpora FZU-D - RVO:68378271 Anotace The photocatalytic performance of the bare ZnO NWs and Co2+: ZnO NWs is evaluated with respect to the degradation rate of the MB solution under the UV light irradiation. The percent of MB degradation increases gradually with the increase of radiation time. The photocatalytic properties of bare ZnO NWs do not show a clear difference without and with magnetic field H= 0.2 T. Interestingly, Co+2 / ZnO NWs could show 25% enhancement of photocatalytic degradation with applied magnetic field. This mechanism could be related to magnetic absorption (MA) effect. The absorption spectra of the Co+2 / ZnO NWs measured with and without a magnetic field are clearly separated after the onset of the absorption (~3.4 eV). The absorption change is positive while the applied magnetic- field and becomes significant after the onset of the absorption. However, no obvious MA effect has been observed for the ZnO NWs. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2020
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