2-dimensional MXene surface-modified with catechol derivative, method for preparing the same, and MXene organic ink including the same

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United States of America Patent

PATENT NO 11866597
SERIAL NO

17173268

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Abstract

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The present disclosure relates to 2-dimensional MXenes surface-modified with catechol derivatives, a method for preparing the same, MXene organic ink including the same, and use thereof (e.g. flexible electrodes, conducive cohesive/adhesive materials, electromagnetic wave-shielding materials, flexible heaters, sensors, energy storage devices). Particularly, the simple, fast, and scalable surface-functionalization process of MXenes using catechol derivatives (e.g. ADOPA) organic ligands significantly improves the dispersion stability in various organic solvents (including ethanol, isopropyl alcohol, acetone and acetonitrile) and produces highly concentrated organic liquid crystals of various MXenes (including Ti2CTx, Nb2CTx, V2CTx, Mo2CTx, Ti3C2Tx, Ti3CNTx, Mo2TiC2Tx, and Mo2Ti2C3Tx). Such products offer excellent electrical conductivity, improved oxidation stability, excellent coating and adhesion abilities to various hydrophobic substrates, and composite processability with hydrophobic polymers. This finding will lead to further studies on the structures, properties, and physics of the organic MXene liquid crystals and their practical applications.

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Patent Owner(s)

Patent OwnerAddress
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY5 HWARANG-RO 14-GIL SEONGBUK-GU SEOUL 02792

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baek, Kyung Youl Seoul, KR 23 55
Cho, Sangho Seoul, KR 39 203
Doo, Se Hyun Seoul, KR 1 0
Hong, Soon Man Seoul, KR 27 67
Hwang, Seung Sang Seoul, KR 36 113
In, In Sik Chungju-si, KR 3 11
Kim, Daesin Seoul, KR 4 22
Kim, Seon Joon Seoul, KR 15 5
Ko, Tae Yun Seoul, KR 7 6
Koo, Chong Min Seoul, KR 23 56
Lee, Albert Seoul, KR 156 2261

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