Synthesis method of microfluidic chip and carbon quantum dots
A technology of microfluidic chips and synthesis methods, applied in chemical instruments and methods, nanocarbon, nanotechnology for materials and surface science, etc., can solve problems such as difficult process control, severe reaction conditions, cumbersome operations, etc., to achieve Realize automatic operation, controllable conditions and good reproducibility
Active Publication Date: 2019-05-03
SUZHOU WENHAO MICROFLUIDIC TECH CO LTD
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Problems solved by technology
The bottom-up method has severe reaction conditions (such as chemical oxidation method), difficult process control (such as arc discharge method), cumbersome operation, and is prone to operational errors. The size distribution of CDs prepared by this type of method is not uniform.
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[0030] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0031] combine figure 1 with figure 2 As shown, the microfluidic chip includes a body 1 and a microchannel 2 formed on the body. Three sample inlets 24 are formed at one end of the microchannel, and a sample outlet 21 is formed at the other end. The mixing channel 22 and the reaction channel 23 between the sample inlet and the sample outlet, the mixing channel 22 includes alternately arranged first channels 221 and second channels 222, the width of the first ...
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Abstract
The invention discloses a synthetic method of a micro-fluidic chip and a carbon quantum dot. The micro-fluidic chip comprises a micro-fluidic chip body and a micro channel formed on the micro-fluidic chip body, three sampling ports are formed at an one end of the micro channel, a sample outlet is formed at the other end, the micro channel comprises a mixing channel and a reaction channel which are successively arranged between the sampling ports and the sample outlet, the mixing channel comprises a first channel and a second channel which are alternatively arranged, the first channel and the second channel have different widths and / or lengths, and the reaction channel is spiraled from outside to inside, and then is spiraled from inside to outside. Through a continuous flow method, CDs is synthesized on the chip. Compared with a bulk phase technology, the reaction condition provided in the invention is mild, and the reaction time is greatly shortened.
Description
technical field [0001] The application belongs to the technical field of synthesizing nanomaterials by using microfluidic technology, and in particular relates to a method for synthesizing a microfluidic chip and carbon quantum dots. Background technique [0002] Carbon quantum dots are monodisperse quasi-spherical fluorescent carbon nanomaterials with a size below 10 nm. Since the inadvertent discovery of carbon dots (CDs) in the process of synthesizing carbon nanotubes by the arc method in 2004, carbon dots (CDs), with their excellent physical, chemical and biological properties (such as: photoluminescence, optical activity, hydrophilic properties, chemical and photostability, biocompatibility, low cytotoxicity, easy functionalization and electronic properties, etc.), it has rapidly gained widespread attention in the fields of sensing, biomedicine, optoelectronics and catalysis. [0003] At the same time, microfluidic chip technology (microfluidic chip) has shown its adva...
Claims
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IPC IPC(8): B01J19/00C01B32/15B82Y30/00
CPCB01J19/0053B01J19/0093B01J2219/00833B01J2219/00889B01J2219/00894B01J2219/00905C01P2002/85C01P2004/04C01P2004/64
Inventor 聂富强宋国庆林佑昇陈红梅顾志鹏赵志海
Owner SUZHOU WENHAO MICROFLUIDIC TECH CO LTD