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An electron beam irradiation route has been developed for the preparation of Cu2O nanoparticles, with poly(ethylene glycol) (PEG, Mw = 10 000) as a template, and without using a further reducing reagent. Under various synthetic conditions, the composition of Cu2O was changed by adjusting the PEG concentration and pH values of the starting solutions. Transmission electron microscopy data revealed that the morphology evolves from an irregular shape into a sphere and cube with increasing the concentration of PEG, and cube to irregular shape with increasing pH of starting solutions. UV-vis diffuse reflectance spectroscopy data indicated that the Cu2O particles absorbed visible light. The photocatalytic activity of Cu2O was evaluated by studying the decomposition of phenol and methyl orange in aqueous solution under irradiation with visible light.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
504--511
Opis fizyczny
Bibliogr. 32 poz.
Twórcy
autor
autor
autor
autor
- Shanghai Applied Radiation Institute Shanghai University Shanghai, 201800 China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0013-0031