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AssigneesKorea Institute of Science and Technology, Drexel University
InventorsYury Gogotsi, Kanit Hantanasirisakul, Chong Min Koo, Aamir Iqbal, Soon Man Hong, Seon Joon Kim, Seung Sang Hwang, Kyung Youl Baek, Albert Lee, Sangho Cho
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In an aspect, the present disclosure provides a heat-treated transition metal carbonitride MXene film annealed at high temperatures and a polymer composite comprising the same. In another aspect, the present disclosure provides a method for producing a heat-treated transition metal carbonitride MXene film comprising: obtaining a MXene aqueous solution containing dispersed 2-dimensional (2D) MXenes through an acid etching process; filtering the obtained MXene aqueous solution through a vacuum filtration process to produce a free-standing film; and annealing the produced free-standing film at high temperatures to obtain a heat-treated transition metal carbonitride MXene film. In still another aspect, the present disclosure provides an electromagnetic interference (EMI) shielding method comprising: superposing a coating comprising a heat-treated transition metal carbonitride MXene film on at least one surface of an object in a contact or non-contact manner.
A heat-treated transition metal carbonitride MXene film having a laminated porous structure of at least two layers of transition metal carbonitride 2-dimensional (2D) MXenes comprising a 2D array of crystalline cells having an empirical formula of Mn+1Xn,
Dependencies are inferred from the claim text.