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Title: Innovations of Qiang Wang in Nanotechnology
Introduction
Qiang Wang is a prominent inventor based in Changchun, China. He has made significant contributions to the field of nanotechnology, particularly in the preparation of nanocrystals and quantum dots. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
One of his latest patents is titled "Method for preparing organic ligand-capped titanium dioxide nanocrystals." This invention outlines a method that utilizes various titanium sources, such as methyl titanate and titanium tetrachloride, combined with organic capping agents like oleic acid. The process occurs in an organic non-polar solvent at temperatures ranging from 25 to 280°C for a duration of 0.5 to 240 hours. The result is a transparent sol containing titanium dioxide nanocrystals with particle diameters of 1-20 nm. This method is characterized by mild reaction conditions and a shorter preparation period, facilitating industrialization.
Another notable patent is the "Two-phase thermal method for preparation of cadmium sulfide quantum dots." This method involves heating a cadmium source, a sulfur source, and a capping agent in a two-phase system of water and water-insoluble organic solvents. By adjusting the reaction time, quantum dots of varying sizes can be produced. The quantum dots exhibit a narrow size distribution and emit royal purple or blue light under ultraviolet illumination, with a photoluminescence quantum efficiency ranging from 3 to 60%.
Career Highlights
Qiang Wang has worked at esteemed institutions such as the Changchun Institute of Applied Chemistry and the Chinese Academy of Sciences. His research has significantly advanced the understanding and application of nanomaterials.
Collaborations
He has collaborated with notable colleagues, including Daocheng Pan and Xiangling Ji, contributing to various research projects and innovations in the field.
Conclusion
Qiang Wang's innovative work in nanotechnology, particularly in the preparation of titanium dioxide nanocrystals and cadmium sulfide quantum dots, showcases his expertise and commitment to advancing scientific knowledge. His contributions are poised to impact various industrial applications significantly.
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