Materials Control technique
Materials Control technique
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Defect Engineering in Low Dimensional Materials
As the required properties for various applications become more diverse, the requirements of the material itself can not be met by the properties of the material itself. In general, defects present in a structurally perfect material are the object of removal which literally leads to imperfections. However, it is possible to control the characteristics by applying the intended defects in the material, and new and excellent characteristics can be found. Based on this, it is possible to control the characteristics of the carbon material by doping nitrogen, Ion storage performance can be greatly improved and transition metals can be expected to control the oxygen vacancies by controlling the oxidation number to have new catalytic properties
Pore Control in Nanomaterials
The pore size can be varied depending on the size and shape of the pore. Therefore, if the material is designed by adjusting the shape and size of the pore, etc., it is possible to improve the accessibility and adsorption degree of ions and gases. Since the surface reaction can be connected to the chemical reaction of the surface, it is possible to realize the energy storage material and the catalyst material having controlled surface reaction. Porous materials having many pores can have various characteristics and can be applied to energy storage applications We are studying with much interest because there are many elements applicable to energy storage applications.
Hybridization of Nanomaterials
By hybridizing materials with different characteristics, the properties of each material can be expressed at the same time as synergistic effects. For example, nanoparticles capable of energy storage are hybridized with carbon material having a high surface area and conductivity for high-performance electrochemical energy storage devices. In addition, metal and metal alloy particles are hybridized with carbon nanotubes and applied to electrodes for batteries and electrocatalysts.
Material Design in Atomic Scale
Atomic level control of materials based on electrochemistry has been developed to control intrinsic properties and extrinsic properties of metal oxides simultaneously. By using this phenomenon, it can be utilized as a method of making smaller metal oxide particles. This process can be treated as a way to control materials on an atomic clusters and can be applied to various metal oxide based materials. Newly designed materials with this process will be applied to electrochemical and optical material application (CO2 reduction catalyst, high output electrode) and further develop application of sustainable carbon resource system (battery-CO2 reduction configuration).
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