Journal ArticleDOI
A New Nonhydrolytic Single-Precursor Approach to Surfactant-Capped Nanocrystals of Transition Metal Oxides
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In this article, a non-hydrolytic single-precursor approach to the synthesis of dispersable nanocrystals of transition metal oxides is presented, which is of considerable interest to us.Abstract:
The advent of new methods to prepare semiconductor and metal nanocrystals, specifically the injection of molecular precursors into hot organic surfactants, has yielded markedly improved samples with good size control, narrow size distribution, and good crystallinity of individual and dispersable nanocrystals. It is of considerable interest to apply these methods to the synthesis of transition metal oxide nanoparticles, which typically are prepared by methods involving water as solvent or reactant. The authors report the first results of a new nonhydrolytic single-precursor approach to the synthesis of dispersable nanocrystals of transition metal oxides.read more
Citations
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Magnetic nanoparticles: Synthesis, protection, functionalization, and application
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Ultra-large-scale syntheses of monodisperse nanocrystals.
Jongnam Park,Kwangjin An,Yosun Hwang,Je-Geun Park,Han-Jin Noh,Jae Young Kim,Jae-Hoon Park,Nong-Moon Hwang,Taeghwan Hyeon +8 more
TL;DR: This work is able to synthesize as much as 40 g of monodisperse nanocrystals in a single reaction, without a size-sorting process, and the particle size could be controlled simply by varying the experimental conditions.
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Monodisperse MFe2O4 (M = Fe, Co, Mn) Nanoparticles
Shouheng Sun,Hao Zeng,David B. Robinson,Simone Raoux,Philip M. Rice,Shan X. Wang,Guanxiong Li +6 more
TL;DR: As-synthesized iron oxide nanoparticles have a cubic spinel structure as characterized by HRTEM, SAED, and XRD and can be transformed into hydrophilic ones by adding bipolar surfactants, and aqueous nanoparticle dispersion is readily made.
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Applications of magnetic nanoparticles in biomedicine
TL;DR: The physical principles underlying some current biomedical applications of magnetic nanoparticles are reviewed and the relevant physics of magnetic materials and their responses to applied magnetic fields are surveyed.
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Recent advances in the liquid-phase syntheses of inorganic nanoparticles.
TL;DR: The development of novel materials is a fundamental focal point of chemical research; and this interest is mandated by advancements in all areas of industry and technology.
References
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Journal ArticleDOI
Self-Organization of CdSe Nanocrystallites into Three-Dimensional Quantum Dot Superlattices
TL;DR: In this article, the self-organization of CdSe nanocrystallites into three-dimensional semiconductor quantum dot superlattices (colloidal crystals) is demonstrated.
Journal ArticleDOI
Kinetics of II-VI and III-V Colloidal Semiconductor Nanocrystal Growth: “Focusing” of Size Distributions
Journal ArticleDOI
Matrix-Mediated Synthesis of Nanocrystalline γ-Fe2O3: A New Optically Transparent Magnetic Material
Ronald F. Ziolo,Emmanuel P. Giannelis,B. A. Weinstein,Michael P. O'Horo,Bishwanath N. Ganguly,Vivek Mehrotra,Michael W. Russell,Donald R. Huffman +7 more
TL;DR: A new magnetic material with appreciable optical transmission in the visible region at room temperature has been isolated as a gamma-Fe(2)O(3)/polymer nanocomposite.
Journal ArticleDOI
Preparation and properties of uniform size colloids
TL;DR: In this article, the achievements and problems in the preparation of uniform colloids by precipitation from homogeneous electrolyte solutions are reviewed, and the physical and chemical mechanisms of their formation are discussed.