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A new way to enhance the photoluminescence of CdSe/ZnS quantum dots embedded in porous silicon (PSi) is reported, which results in the double enhancement of the quantum dot (QD) fluorescence due to Au nanoparticle decoration and the porous silicon having a distributed Bragg reflector (DBR) structure. Through the dropwise addition of a solution of CdSe/ZnS QDs on Au nanoparticle-decorated porous silicon...
By combining photolithography with the electrochemical anodization method, a microarray device of porous silicon (PS) photonic crystal was fabricated on the crystalline silicon substrate. The optical properties of the microarray were analyzed with the transfer matrix method. The relationship between refractive index and reflectivity of each array element of the microarray at 633 nm was also studied,...
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