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    • 73. 发明授权
    • Method for producing a functionalized semiconductor or conductor material and use thereof
    • US11731876B2
    • 2023-08-22
    • US16954410
    • 2018-12-19
    • SIXONIA TECH GMBH
    • Martin R. LoheXinliang FengAli Shaygan Nia
    • C01B32/194C01B32/225C25B1/00
    • C01B32/225C01B32/194C25B1/00C01B2204/22
    • The invention relates to a method for producing a functionalised semiconductor or conductor material from a layered structured base material by electrolytic exfoliation in an electrolysis cell, comprising at least one electrode pair consisting of first and second electrodes, and an aqueous and/or alcoholic electrolyte solution, containing sulphuric acid and/or at least one salt selected from sulphate and/or hydrogen sulphate and/or perchlorate and/or persulphate salt, comprising the steps of: a) bringing the electrodes into contact with the electrolyte solution; b) electronically exfoliating the base material by applying a voltage between the first and the second electrode; c) separating the functionalised conductor or semiconductor material from the electrolyte solution, wherein at least the first of the electrodes of the electrode pair contains the layered, carbon-based base material, the first electrode being connected as an anode, wherein at least one organic compound is added to the electrolyte solution before and/or during and/or immediately after the electrolytic exfoliation, wherein the organic compound is selected from i) anodically oxidisable organic molecules containing at least one alcohol group and/or at least one amino group and/or at least one carboxyl group, and/or ii) organic molecules containing at least one isocyanate group and/or at least one halide group and/or at least one epoxide group and/or at least one diazonium group and/or at least one peroxide group and/or at least one azide group and/or cyclic esters and/or cyclic amides, and/or iii) precursors or monomers of electrically conductive polymers, and/or iv) free-radical polymerisable, water-soluble vinyl monomers which have in their structure at least one amino group and/or at least one anionic functional group.