Preparation and Characterizaion of Silica Photonic Crystals Made from Ethanol
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摘要: 以乙醇為介質,用二氧化硅球沉降法制備有序性較好的人工歐泊(Opal),并對二氧化硅球排布進行了顯微形貌及透射譜表征.結果顯示二氧化硅微球有序堆積,其結構為類面心立方晶型,與目前的理論研究結果符合得很好.Abstract: Reports preparation of artificial opal by sedimention of SiO2 spheres in ethanol and it's microscopic and optical characterization.Results show that artificial opal belongs to analogue fcc structure,which is in agreement with theoretical calculations by L.V. Woodcock.
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Key words:
- photonic crystals /
- artificial opal /
- structure /
- characterization photonic band gap /
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