title: Facile synthesis of nanocrystal encoded fluorescent silica microspheres.
abstract: Monodisperse CdTe composite microspheres with a spherical shape were prepared using organosilane chemicals in aqueous solution. CdTe nanocrystals (NCs) were loaded into the matrix of silica microspheres during the formation of composite microspheres. Detailed characterization of the CdTe composite microspheres by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and spectrofluorimeter was performed to elucidate the morphology and fluorescence of the composite microspheres. In contrast to CdTe NCs in aqueous solution, CdTe NCs in the composite microspheres revealed high stability and fluorescence due to the confined effects of silica matrix. In addition, multicolored CdTe QDs were encoded into the microspheres at precise ratios.
authors.affiliation: Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China.
authors.forename: G
authors.initials: G
authors.lastname: Liu
authors.forename: Y
authors.initials: Y
authors.lastname: He
mesh_terms: D019187:Cadmium Compounds / Q000737:chemistry*; D008855:Microscopy, Electron, Scanning; D046529:Microscopy, Electron, Transmission; D008863:Microspheres; D053758:Nanoparticles / Q000737:chemistry*; D045663:Quantum Dots; D012822:Silicon Dioxide / Q000737:chemistry*; D013050:Spectrometry, Fluorescence; D013691:Tellurium / Q000737:chemistry*
chemical_list: D019187:Cadmium Compounds; D012822:Silicon Dioxide; D013691:Tellurium; C028337:cadmium telluride