Abstract: Disclosed is an electrode including a polymer fiber aggregate and a manufacturing method thereof. The electrode may be used in a capacitor and include a cut conductive polymer fiber and pores therein to increase a specific surface area even when the thickness is increased, thereby increasing ion conductivity and improving energy power and a manufacturing method thereof.

Abstract: A method of generating a social platform service screen includes directing, by at least one processor of a computer device, the social platform service screen to land on one of a recommended feed tab and a following feed tab according to a situation associated with the social platform service screen at an entry request point in time, the recommended feed tab configured to display a personalization-based recommended post and the following feed tab configured to display relationship-based following posts contained within a following feed.

Abstract: Proposed are a hydrogel containing a polymer nanofiber into which a sulfate group is introduced, and a method for preparing the same. The hydrogel contains polymer compound nanofibers into which a sulfate group is introduced, the polymer compound nanofibers may be connected to each other by a crosslink to form a network structure, and gelling may proceed as water is filled in empty space of the network structure. According to an embodiment, it is possible to provide a hydrogel containing a polymer nanofiber into which a sulfate group is introduced, which is highly utilizable as an artificial extracellular matrix by providing a cell culture scaffold which exhibits high cell adhesiveness and of which the three-dimensional structure can be controlled.

Abstract: Proposed is a conductive polymer microfiber mesh structure including a plurality of conductive polymer microfibers, in which any one of the conductive polymer microfibers intersects at least one or more other conductive polymer microfibers, and intersections share crystallinity without a specific crosslinking agent and are structurally fused, whereby a mesh structure is formed. According to the conductive polymer microfiber mesh structure, it is possible to provide a conductive polymer microfiber mesh structure that has elasticity, flexibility, and transmittance, is structurally stable, and has excellent electric and electrochemical characteristics, and an electrode for a flexible electronic device using the structure and having improved physical stability and suspension stability.

Abstract: The present invention relates to a method for forming a layer, to be patterned, of an element by using a fluorinated material, which has orthogonality, and a solvent, the method comprising: a first step of printing with the fluorinated material so as to form, on a surface of a substrate, a mask template provided with an exposure part and a non-exposure part; a second step of coating the exposure part with a material to be patterned; a the third step of lifting-off the non-exposure part with the fluorinated solvent so as to form the layer to be patterned in the exposure part.

Abstract: A synaptic transistor based on a metal nano-sheet and a method thereof are provided. A self-assembled floating gate layer is formed. The floating gate layer prevents leakage of electric charges transmitted from a channel layer, and also temporarily stores the transmitted electric charge. Thus, the synaptic transistor may be used as an effective memory for storing.

Abstract: A molecular delivery system including a plurality of nanowires (e.g., Si NWs), each of the nanowires having a surface layer formed of a silicon-containing material and a covalently bound linker (e.g., silane linker) attached to the surface layer and optionally including a substrate to which the nanowires are adhered or a molecule to be delivered attached to the linker. Also disclosed is a method of delivering into a cell an exogenous molecule.

Abstract: A synaptic transistor based on a metal nano-sheet and a method thereof are provided. A self-assembled floating gate layer is formed. The floating gate layer prevents leakage of electric charges transmitted from a channel layer, and also temporarily stores the transmitted electric charge. Thus, the synaptic transistor may be used as an effective memory for storing.

Abstract: Provided are an organic thin film transistor, a method for manufacturing the same, and a method for recovering insulation thereof. Specifically, the organic thin film transistor includes a substrate, a gate electrode, a semiconductor pattern, a source electrode, a drain electrode and a gate insulation layer. The gate electrode is disposed on the substrate. The semiconductor pattern is electrically insulated with the gate electrode on the substrate. The source electrode and the drain electrode are each electrically connected to the semiconductor pattern on the substrate, and are separated from each other. The gate insulation layer is disposed between the semiconductor pattern and the gate electrode. The gate insulation layer is a sulfur copolymer thin film.

Abstract: Provided is a method for manufacturing a silicon nanowire array comprising the steps of: positioning plastic particles separated apart from one another in a uniform random pattern on a silicon substrate; forming a catalyst layer between the plastic particles; removing the plastic particles; vertically etching portions of the silicon substrate that contact the catalyst layer; and removing the catalyst layer. The present invention provides a simple and cost-effective process, enables mass-production through large surface area processing, enables the manufacture of nanowire even at a site having limited resources, and enables the structures of nanowire to be individually controlled.

Abstract: Disclosed are a touch sensor and a method of fabricating the same. An insulator of the touch sensor contains a polymer and has an array of vertically aligned nanowires structure. Therefore, the touch sensor can be easily changed in thickness, which facilitates change in electrostatic capacity, thereby increasing sensitivity of the touch sensor. In addition, the present invention can simplify an existing complicated process of fabricating a touch sensor.

Abstract: The present invention relates to a method for forming a layer, to be patterned, of an element by using a fluorinated material, which has orthogonality, and a solvent, the method comprising: a first step of printing with the fluorinated material so as to form, on a surface of a substrate, a mask template provided with an exposure part and a non-exposure part; a second step of coating the exposure part with a material to be patterned; a the third step of lifting-off the non-exposure part with the fluorinated solvent so as to form the layer to be patterned in the exposure part.

Abstract: Provided are a method of culturing an induced pluripotent stem cell and a method of forming a spheroid of the induced pluripotent stem cell. According to an embodiment of the present inventive concept, the induced pluripotent stem cell may have improved stemness.

Abstract: Provided are an organic thin film transistor, a method for manufacturing the same, and a method for recovering insulation thereof. Specifically, the organic thin film transistor includes a substrate, a gate electrode, a semiconductor pattern, a source electrode, a drain electrode and a gate insulation layer. The gate electrode is disposed on the substrate. The semiconductor pattern is electrically insulated with the gate electrode on the substrate. The source electrode and the drain electrode are each electrically connected to the semiconductor pattern on the substrate, and are separated from each other. The gate insulation layer is disposed between the semiconductor pattern and the gate electrode. The gate insulation layer is a sulfur copolymer thin film.

Abstract: Provided is a method for manufacturing a silicon nanowire array comprising the steps of: positioning plastic particles separated apart from one another in a uniform random pattern on a silicon substrate; forming a catalyst layer between the plastic particles; removing the plastic particles; vertically etching portions of the silicon substrate that contact the catalyst layer; and removing the catalyst layer. The present invention provides a simple and cost-effective process, enables mass-production through large surface area processing, enables the manufacture of nanowire even at a site having limited resources, and enables the structures of nanowire to be individually controlled.

Abstract: A molecular delivery system including a plurality of nanowires (e.g., Si NWs), each of the nanowires having a surface layer formed of a silicon-containing material and a covalently bound linker (e.g., silane linker) attached to the surface layer and optionally including a substrate to which the nanowires are adhered or a molecule to be delivered attached to the linker. Also disclosed is a method of delivering into a cell an exogenous molecule.

Abstract: A molecular delivery system including a plurality of nanowires (e.g., Si NWs), each of the nanowires having a surface layer formed of a silicon-containing material and a covalently bound linker (e.g., silane linker) attached to the surface layer, and optionally including a substrate to which the nanowires are adhered or a molecule to be delivered attached to the linker. Also disclosed is a method of delivering into a cell an exogenous molecule.

Abstract: Disclosed are a touch sensor and a method of fabricating the same. An insulator of the touch sensor contains a polymer and has an array of vertically aligned nanowires structure. Therefore, the touch sensor can be easily changed in thickness, which facilitates change in electrostatic capacity, thereby increasing sensitivity of the touch sensor. In addition, the present invention can simplify an existing complicated process of fabricating a touch sensor.

Abstract: Disclosed herein is a method for preparing an electromagnetic wave shielding material. The preparation method includes: preparing a fiber matrix; sorbing a metal salt precursor to the fiber matrix by dip coating; and bringing the fiber matrix to which the metal salt precursor is sorbed with a basic solution to oxidize the metal salt precursor such that a magnetic substance can be coated onto the fiber matrix. The method can reduce preparation costs by simplifying the preparation process through dip coating without using a high temperature process. Further, the method can also be applied to a fiber matrix which can be affected by temperature, thereby enlarging the preparation and application range of the electromagnetic wave shielding material.

Abstract: Inorganic semiconducting compounds, composites and compositions thereof, and related device structures.