Production Of Organic Compound Nanoparticles With High Repetition Rate Ultrafast Pulsed Laser Ablation In Liquids

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United States of America Patent

APP PUB NO 20150258631A1
SERIAL NO

14629617

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ATTORNEY / AGENT: (SPONSORED)

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Disclosed is a method of producing a chemically pure and stably dispersed organic nanoparticle colloidal suspension using an ultrafast pulsed laser ablation process. The method comprises irradiating a target of an organic compound material in contact with a poor solvent with ultrashort laser pulses at a high repetition rate and collecting the nanoparticles of the organic compound produced. The method may be implemented with a high repetition rate ultrafast pulsed laser source, an optical system for focusing and moving the pulsed laser beam, an organic compound target in contact with a poor solvent, and a solvent circulating system to cool the laser focal volume and collect the produced nanoparticle products. By controlling various laser parameters, and with optional poor solvent flow movement, the method provides stable colloids of dispersed organic nanoparticles in the poor solvent in the absence of any stabilizing agents.

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Patent Owner(s)

Patent OwnerAddress
IMRA AMERICA INC1044 WOODRIDGE AVENUE ANN ARBOR MI 48105

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHE, Yong Ann Arbor, US 51 588
HU, Zhendong Ann Arbor, US 32 426

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