Abstract: The present disclosure relates to an integrated light receiving and emitting device combined with a control circuit wafer and a manufacturing method thereof. The integrated light receiving and emitting device combined with a control circuit wafer according to an exemplary embodiment of the present disclosure includes: a light receiving and emitting unit which has an integrated wafer structure in which a light emitting unit and a light receiving unit are vertically formed on one surface of a single semiconductor substrate by wafer patterning and a control circuit wafer which is combined with the light receiving and emitting unit by vertical bonding to be operated as a single chip device, in which the control circuit wafer is connected to the light emitting unit and the light receiving unit.

Abstract: A graphene dot structure and a method of manufacturing the same. The graphene dot structure includes a core including a semiconductor material; and a graphene shell formed on the surface of the core. The graphene dot structure may form a network.

Abstract: According to example embodiments, a wire structure includes a first wire that includes a first wire core and a first carbon shell surrounding the first wire core, and a second wire that extends in a longitudinal direction from the first wire. The first wire core has a wire shape. The first carbon shell contains carbon.

Abstract: A graphene dot structure and a method of manufacturing the same. The graphene dot structure includes a core including a semiconductor material; and a graphene shell formed on the surface of the core. The graphene dot structure may form a network.

Abstract: A graphene structure and a method of forming the same may include a graphene formed in a three-dimensional (3D) shape, e.g., a column shape, a stacking structure, and a three-dimensionally connected structure. The graphene structure can be formed by using Ge.

Abstract: Provided are a porous nanostructure and a method of manufacturing the same. The porous nanostructure includes a plurality of pores disposed on an exterior surface of a nanostructure, wherein at least a portion of the plurality of pores extend inside the nanostructure.

Abstract: A graphene structure and a method of manufacturing the graphene structure, and a graphene device and a method of manufacturing the graphene device. The graphene structure includes a substrate; a growth layer disposed on the substrate and having exposed side surfaces; and a graphene layer disposed on the side surfaces of the growth layer.

Abstract: A composite structure of graphene and polymer and a method of manufacturing the complex. The composite structure of graphene and polymer includes: at least one polymer structure having a three-dimensional shape; and a graphene layer formed on the at least one polymer structure.

Abstract: A graphene structure and a method of manufacturing the graphene structure, and a graphene device and a method of manufacturing the graphene device. The graphene structure includes a substrate; a growth layer disposed on the substrate and having exposed side surfaces; and a graphene layer disposed on the side surfaces of the growth layer.

Abstract: According to example embodiments, a wire structure includes a first wire that includes a first wire core and a first carbon shell surrounding the first wire core, and a second wire that extends in a longitudinal direction from the first wire. The first wire core has a wire shape. The first carbon shell contains carbon.

Abstract: A graphene structure and a method of manufacturing the graphene structure, and a graphene device and a method of manufacturing the graphene device. The graphene structure includes a substrate; a growth layer disposed on the substrate and having exposed side surfaces; and a graphene layer disposed on the side surfaces of the growth layer.

Abstract: A method of manufacturing graphene includes forming a germanium layer on a surface of a substrate, and forming the graphene directly on the germanium layer by supplying carbon-containing gas into a chamber in which the substrate is disposed.

Abstract: A method of synthesizing a nanowire. The method includes disposing a first oxide layer including germanium (Ge) on a substrate, forming a second oxide layer including a nucleus by annealing the first oxide layer, and growing a nanowire including Ge from the nucleus by a chemical vapor deposition (“CVD”) method.

Abstract: A composite structure and a method of manufacturing the composite structure. The composite structure includes a graphene sheet; and a nanostructure oriented through the graphene sheet and having a substantially one-dimensional shape.

Abstract: A graphene structure and a method of manufacturing the graphene structure, and a graphene device and a method of manufacturing the graphene device. The graphene structure includes a substrate; a growth layer disposed on the substrate and having exposed side surfaces; and a graphene layer disposed on the side surfaces of the growth layer.

Abstract: A graphene structure and a method of forming the same may include a graphene formed in a three-dimensional (3D) shape, e.g., a column shape, a stacking structure, and a three-dimensionally connected structure. The graphene structure can be formed by using Ge.

Abstract: A thermoelectric material including: a nanostructure; a discontinuous area disposed in the nanostructure, and an uneven portion disposed on the nano structure.

Abstract: A method of manufacturing graphene includes forming a germanium layer on a surface of a substrate, and forming the graphene directly on the germanium layer by supplying carbon-containing gas into a chamber in which the substrate is disposed.

Abstract: Provided are a method of preparing a nanowire grid polarizer, and a nanowire grid polarizer prepared using the same. The method includes: mixing a surfactant and a silica precursor to prepare a mesoporous film composition; coating the mesoporous film composition on a substrate; aging the coated product to form a silica template composite; removing the surfactant inside the silica template composite to prepare a mesoporous material having channels; and filling the channels of the mesoporous material with metal. The method is suitable for the formation of a nanowire having a stable structure, mass production, and large-area production.

Abstract: Provided are a porous nanostructure and a method of manufacturing the same. The porous nanostructure includes a plurality of pores disposed on an exterior surface of a nanostructure, wherein at least a portion of the plurality of pores extend inside the nanostructure.