Korea Institute of Machinery & Materials

Duck Jong Kim

Won Seok Chang

Ju Young Woo

Sohee Jeong

Doh Chang Lee

Chang-Su Woo

Tripathy Suraj Kumar

So Hee Jeong

Ho Sub Lim

ChangSoo Han

A nanoparticle separating apparatus that can separate nanoparticles from impurities in a nanoparticle dispersion, and a nanoparticle separating method using the same are disclosed. The nanoparticle separating apparatus according to an exemplary embodiment of the present invention includes: a body portion having an inlet hole into which a dispersion flows formed in one side thereof, an outlet hole through which the waste solution from which nanoparticles are separated flows formed in the other side, and a hollow channel formed between the inlet hole o and the outlet hole; a first electrode and a second electrode, each having a porous structure where a plurality of pores are formed, and at least one pair of the first and second electrodes being provided in the channel; and a power supply applying voltages, each having a different polarity, to the first electrode or to the second electrode.

Separating apparatus for nanoparticles and separating apparatus using the same

A quantum dot stabilized by a halogen salt includes a compound of Group 13 and Group 15, a compound of Group 12 and Group 16 or a compound of Group 14 and Group 16. The quantum dot has a crystalline structure and at least a portion of a surface of the quantum dot is combined with a halogen salt. Thus, the quantum dot has a high stability in an air.

Quantum dot stabilized by halogen salt and method for manufacturing the same

A detection method using colorimetric analysis of the present invention includes: providing a first solution in which two materials selected from metal nanoparticles, an oxidizing agent, and chloride ions are mixed; providing a second solution including one other material that is not included in the first solution among the metal nanoparticles, the oxidizing agent, and the chloride ions; preparing a mixture solution by mixing the first solution and the second solution; and testing and measuring a color change of the mixture solution.

Detection method using colorimetric analysis

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Daejeon, South Korea

Duck Jong Kim