PURPOSE: A core-shell hybrid structure which is composed by a carbon structure core-inorganic layer shell and a manufacturing method thereof, a core-shell nanostructure and a manufacturing method thereof, and an optical catalyst including the same are provided to grow an inorganic layer in an chemically inactive carbon structure without forming an additional adhesive layer under the mild condition of room temperature and pressure and to increase the surface area and conductivity of a carbon nanotube, thereby manufacturing a nanostructure which is useful as an optical catalyst. CONSTITUTION: A manufacturing method of a core-shell hybrid structure composed by a carbon structure core-inorganic layer shell includes a step of having a graphite surface structure and preparing a carbon structure doped by a pentad on a graphite surface and a step of dipping a prepared carbon structure in an inorganic precursor solution. A metal precursor solution is grown after being concentrated at the position in which the pentad is doped on the surface of a dipped carbon structure by electrical attraction. The manufacturing method additionally includes a step of changing the phase of the inorganic layer by the heat treatment of a grown inorganic layer on the surface of the carbon structure after dipping. The pentad is nitrogen. A manufactured core-shell hybrid structure has a nanowire form.
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