研究目的
To prepare hierarchical structured porous ZnO microplates and investigate their optical properties.
研究成果
Hierarchical structured porous ZnO microplates were successfully prepared and exhibited excellent optical properties, making them potential candidates for optical materials and catalysts.
研究不足
The study focuses on the preparation and optical properties of ZnO microplates without extensive exploration of their applications or comparison with other ZnO structures.
1：Experimental Design and Method Selection:
The study involved a two-step process starting with the preparation of Zn5(CO3)2(OH)6 precursor via microwave heating of Zn(CH3COO)2·2H2O and urea in aqueous solution, followed by thermal decomposition to obtain ZnO microplates.
2：Sample Selection and Data Sources:
The precursor and final ZnO products were characterized using various techniques.
3：List of Experimental Equipment and Materials:
MAS-II microwave synthesis/extraction reaction workstation, X-ray diffractometer, field-emission scanning electron microscope, transmission electron microscope, UV-VIS spectrophotometer, Laser MicroRaman Spectrometer.
4：Experimental Procedures and Operational Workflow:
The precursor was prepared by microwave irradiation, washed, dried, and then calcined to obtain ZnO products.
5：Data Analysis Methods:
XRD for phase purity, FESEM and TEM for morphology, UV-VIS and PL for optical properties.
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Field-emission scanning electron microscope
Sirion 200
FEI
Used for taking images of the sample.
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Transmission electron microscope
JEOL-2010
JEOL
Used for performing TEM images of the samples.
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MAS-II microwave synthesis/extraction reaction workstation
MAS-II
Shanghai Sineo Microwave Chemistry Technology Co.
Used for microwave heating in the preparation of Zn5(CO3)2(OH)6 precursor.
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X-ray diffractometer
X’Pert PRO
Philips
Used for examining the phase purity of the as-synthesized products.
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UV-VIS spectrophotometer
TU-1800PC
Used for studying UV-visible spectrum.
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Laser MicroRaman Spectrometer
JYLABRAM-HR
Used for recording photoluminescence spectrum.
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