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Self-assembly of disk-like multiring ZnO-SnO2 colloidal nanoparticles. 2011

Hongjun Ji, and Xiaoheng Liu, and Xin Wang, and Shiming Liang, and Xiutao Ge, and Yonghong Li
Key Laboratory for Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing, China.

ZnO-SnO(2) colloidal nanoparticles have been successfully synthesized by using the composite of ZnCl(2) and Sn(OC(4)H(9))(4) as inorganic precursor and dodecylbenzenesulfonic acid (DBSA) as an organic template. The assembled nanostructures of ZnO-SnO(2) products have been carefully investigated by powder X-ray diffraction (XRD) and transmission electron microscopy (TEM). It is found that ZnO-SnO(2) colloidal nanoparticles take a disk-like multiring nanostructure. This interesting structure is predominantly determined by the tenacity for ZnO-SnO(2) mixtures to stabilize lamellae. A mechanism based on electrostatic interactions between the precursor and template has been proposed to illustrate the resulting nanoparticle structure.

UI MeSH Term Description Entries
D003102 Colloids Two-phase systems in which one is uniformly dispersed in another as particles small enough so they cannot be filtered or will not settle out. The dispersing or continuous phase or medium envelops the particles of the discontinuous phase. All three states of matter can form colloids among each other. Hydrocolloids,Colloid,Hydrocolloid
D015034 Zinc Oxide A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock. Lassar's Paste,Lassar Paste,Lassars Paste,Oxide, Zinc,Paste, Lassar's
D053758 Nanoparticles Nanometer-sized particles that are nanoscale in three dimensions. They include nanocrystaline materials; NANOCAPSULES; METAL NANOPARTICLES; DENDRIMERS, and QUANTUM DOTS. The uses of nanoparticles include DRUG DELIVERY SYSTEMS and cancer targeting and imaging. Nanocrystalline Materials,Nanocrystals,Material, Nanocrystalline,Materials, Nanocrystalline,Nanocrystal,Nanocrystalline Material,Nanoparticle
D017971 Tin Compounds Inorganic compounds that contain tin as an integral part of the molecule. Compounds, Tin
D036103 Nanotechnology The development and use of techniques to study physical phenomena and construct structures in the nanoscale size range or smaller. Nanotechnologies

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