Layer-by-layer quantum dot constructs using self-assembly methods |
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Authors: | Rauf Sakandar Glidle Andrew Cooper Jonathan M |
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Institution: | Department of Electronics and Electrical Engineering, Oakfield Avenue, University of Glasgow, UK G12 8LT. biosensor_nibge@yahoo.com |
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Abstract: | We describe the creation of CdSe/ZnS quantum dot assemblies using layer-by-layer construction strategies, using self-assembly. In the first approach, a dithiol linker was used to make multilayers of CdSe/ZnS quantum dots, while in the second biotin- and streptavidin-conjugated CdSe/ZnS quantum dots were used to make multilayer constructs. Both the chemical bonding nature and fluorescence spectroscopic properties of quantum dot films were characterized using X-ray photoelectron spectroscopy (XPS) and fluorescence spectroscopy. |
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