Abstract:
PURPOSE: A method for preparing nanoporous ultra low dielectric film including high temperature ozone treatment, and nanoporous ultra low dielectric film prepared thereby are provided to low dielectric constant and high mechanical strength by ozone-pressing the nanoporous ultra low dielectric film under high temperature. CONSTITUTION: In a method for preparing nanoporous ultra low dielectric film including high temperature ozone treatment, and nanoporous ultra low dielectric film prepared thereby, an organosilicate matrix - contain solution and a reactivity porogen- contain solution are mixed to form a mixed solution(S100). The mixed solution is coated on a base substrate to form a thin film(S200). The thin film is processed by heat treatment while being ozone processed(S300). - An ozone treatment is performed under 100°C - 250°C.
Abstract:
PURPOSE: A manufacturing method of an ultra-low-dielectric membrane, and the ultra-low-dielectric membrane are provided to offer the extremely low dielectric rate, and to provide nano-sized close pores. CONSTITUTION: A manufacturing method of an ultra-low-dielectric membrane comprises the following steps: forming a mixed solution by adding a compound marked with chemical formula 1: R1OCH2[CH(OR2)]nCH2OR3, and a poly alkylsilsesquioxan copolymer to an organic solvent; coating the mixed solution to a substrate, to form a thin film; heating the thin film to 200~300 deg C: heat-processing the thin film after heating into 350~500deg C; and irradiating ultraviolet rays while heat-processing for 5~30 minutes.
Abstract:
본 발명은 비환형 유기 폴리올을 이용한 반응형 기공형성제와 이를 이용하여 제조된 초저유전막에 관한 것으로서, 더욱 상세하게는 비환형 유기 폴리올 화합물이 350 ℃ 내지 500 ℃의 온도에서 완전 열분해되는 특성을 가지므로, 상기한 비환형 유기 폴리올 화합물의 말단 하이드록시기를 알킬알콕시실란의 반응성기로 전환하여 반응형 기공형성제로 사용하게 되면 유기실리케이트 매트릭스와 졸-젤 반응 및 고온 열처리하여 카본 잔류물(carbon residue)을 거의 남기지 않으면서도 균일한 크기의 기공형성이 가능함은 물론 기공률 대비 기계적 물성이 우수한 초저유전막을 형성하게 되는 신규의 비환형 유기 폴리올을 이용한 반응형 기공형성제와 이를 이용하여 제조된 초저유전막에 관한 것이다. 반응형 기공형성수지, 비환형 폴리올 유기물질, 펜타에리쓰리톨 유도체, 에리쓰리톨 유도체, 알릴레이션 및 하이드로실릴레이션 반응, 초저유전막, 유전율, 기계적 물성, 기공크기
Abstract:
PURPOSE: A polymer electrolyte doped with a quantum dot and dye-sensitized solar battery using the same are provided to apply a gel type or solid type polymer electrolyte doped with a quantum dot as an electrolyte of the dye-sensitized solar battery, thereby increasing the photoelectric efficiency of a solar battery. CONSTITUTION: A metal oxide semiconductor layer(14) is formed on a first substrate(12). An optical electrode(10) includes a dye absorbed in the metal oxide semiconductor layer. A counterpart electrode(20) includes a second conductive substrate(22) and the metal layer(24) of the second conductive substrate. A polymer electrolyte(52) doped with a quantum dot is interposed between the optical electrode and the counter electrode. The polymer electrolyte doped with the quantum dot is in gel solid form.