Abstract:
An insulating sheet has a heterogeneous laminated structure, and includes a graphene sheet and a hexagonal boron nitride sheet on the graphene sheet, the hexagonal boron nitride sheet having a root mean square (RMS) surface roughness of about 0.5 nm or less in a region having an area of about 200 nm×200 nm or less, and one or more of longitudinal and transverse lengths of about 1 mm or more.
Abstract:
A method of processing a signal, the method including receiving first data, extracting a first parameter from the first data, calculating and outputting first output data with respect to the first data based on the first parameter, receiving second data, extracting a second parameter from the second data, calculating second output data with respect to the second data based on the second parameter, and alternately outputting the first and second output data at least once.
Abstract:
A method of forming a hybrid nanostructure on graphene, the method including providing a graphene layer on a substrate; forming a metal layer on the graphene layer; and chemically depositing a nanomaterial on the graphene layer on which the metal layer is formed to form the hybrid nanostructure.
Abstract:
A method of manufacturing a graphene laminated structure includes plasma-treating a surface of a hexagonal boron nitride sheet using a fluorine-based gas plasma, depositing the hexagonal boron nitride sheet on a graphene sheet, and forming an insulating layer on a surface of the surface-treated hexagonal boron nitride sheet.
Abstract:
The present disclosure enables materials of a triboelectric charging member to exhibit a characteristic of increased surface charge density, thereby improving output of a triboelectric generating device. Accordingly, the present disclosure provides a triboelectric generating device showing improved output without increasing a size of the triboelectric generating device or without increasing amounts of materials required for the triboelectric generating device. An embodiment of a triboelectric generating device provided according to a first aspect of the present disclosure includes a first electrode; a first charging layer formed on the first electrode; and a second electrode disposed on the first charging layer, wherein the first charging layer and the second electrode are arranged such that an interface between the first charging layer and the second electrode forms a frictional interface, and the first charging layer includes a ferroelectric polymer matrix and ferroelectric inorganic particles dispersed in the ferroelectric polymer matrix.
Abstract:
A nanogenerator with at least one nanostructure and method of manufacturing the same are provided. The method of manufacturing the nanogenerator includes forming at least one nanostructure including an organic piezoelectric material on a substrate.
Abstract:
An energy generating device and a method of manufacturing the same are provided. The energy generating device includes a first electrode, a metal layer, including a regular arrangement of a plurality of patterns, disposed on the first electrode, an organic material layer positioned on the metal layer, and a piezoelectric layer interposed between the first electrode and the organic material layer.
Abstract:
An X-ray apparatus includes an X-ray radiator configured to radiate an X-ray, and a controller acquiring orientation information of the X-ray radiator and orientation information of at least one X-ray detector, selecting the at least one X-ray detector based on the orientation information of the X-ray radiator and the orientation information of the at least one X-ray detector, and determining a power mode of the selected X-ray detector to be a power consumption mode and a power mode of an X-ray detector that is not selected, to be a power save mode.
Abstract:
An energy harvesting apparatus including light collecting particles is provided. The energy harvesting apparatus includes a light collecting layer for collecting light incident thereon from the outside, a first charging member on a first surface of the light collecting layer, a second charging member on a surface of the light collecting layer opposite the first surface, and solar cells on opposite light exit surfaces between the first and second surfaces of the light collecting layer.