NDLI: Adjusting the proportions of {0001} facets and high-index facets of ZnO hexagonal prisms and their photocatalytic activity

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Adjusting the proportions of {0001} facets and high-index facets of ZnO hexagonal prisms and their photocatalytic activity

Content Provider	Semantic Scholar
Author	Liu, Hai-Xia Zhang, Qing Li, Tianduo
Copyright Year	2017
Abstract	Zinc oxide (ZnO) hexagonal prisms with unique nanostructures are successfully synthesized via a simple hydrothermal method with the assistance of polyethylene glycol (PEG). Further studies demonstrated that dissolved PEG played a critical role in adjusting the exposed proportion of {0001} facets and high-index facets. By increasing the amount of PEG, we successfully reduced the exposed proportion of {0001} facets and increased the exposed proportion of high-index facets. The morphology and the properties of ZnO hexagonal prisms were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), Brunauer–Emmett–Teller N2 gas adsorption–desorption isotherms, and photoluminescence (PL) spectra. The photocatalytic activity of the ZnO hexagonal prisms was investigated by photocatalytic degradation of methylene blue (MB) aqueous solution under UV-vis light irradiation. Results showed that the ZnO hexagonal prism samples with a high percentage of exposed high-index facets exhibited superior photocatalytic activity. The idea that adjusting the proportion of different facets to enhance the photocatalytic activity of ZnO samples is a meaningful study.
Starting Page	3515
Ending Page	3520
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1039/C6RA24912D
Volume Number	7
Alternate Webpage(s)	https://pubs.rsc.org/en/content/articlepdf/2017/ra/c6ra24912d
Alternate Webpage(s)	https://doi.org/10.1039/C6RA24912D
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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