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NTIS 바로가기Korean chemical engineering research = 화학공학, v.51 no.4, 2013년, pp.470 - 475
김희영 (인하대학교 화학공학과) , 김세나 (인하대학교 화학공학과) , 김준 (인하대학교 화학공학과) , 안화승 (인하대학교 화학공학과)
Zr-benzendicarboxylate structure, UiO-66 was prepared in 1-L batch scale by using a unique sonochemical-solvothermal combined synthesis method. The produced UiO-66 showed uniform particles of ca.
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
금속유기구조체는 무엇인가? | 금속유기구조체(metal organic framework, MOF)는금속이온또는 클러스터가유기리간드와배위결합에의해 연결되어 생성되는 결정형 다공성 물질이다[1,2]. MOF는 잘 분산된 금속 활성점, 넓은 비표면적, 일정하게 정렬된 내부구조 및 후처리 기능화의 용이성 등 뛰어난 물리화학적 특성을 갖고 있으며, 이들을 이용한 기체 흡착 및 저장[3-6], 촉매[7,8], 약물전달[9], 센서[10] 및 나노물질 합성[11] 등 다양한 응용 연구가 활발히 이루어지고 있다. | |
초음파 합성법은 무엇인가? | 또한 전기화학법(electrochemical synthesis)[23], 마이크로파 가열 합성법(microwave-assisted synthesis)[24,25], 기계화학 합성법(mechanochemical synthesis)[26,27] 및 초음파 합성법(sonochemical synthesis)이 [28,29] 효과적인 MOF 물질의 제조방법으로 제시되었다. 이 중 초음파 합성법은 액체나 용액 중에 조사된 초음파에 의해 국소적으로 발생하는 미세기포의 형성 및 소멸에 동반되는(acoustic cavitation) 약 5,000 K, 1,000 기압 이상의 고온/고압 조건을 합성에 이용하는방법이다[30,31]. 이합성법을이용한 MOF 합성연구가본 연구진에 의해 최초로 시도되었으며, 짧은 합성시간에 비해 크기가 고르고 작은 우수한 결정을 얻을 수 있는 장점을 가지고 있는 특성을 보고하였다[28]. | |
금속유기구조체는 어떤 물리화학적 특성을 가지고 있는가? | 금속유기구조체(metal organic framework, MOF)는금속이온또는 클러스터가유기리간드와배위결합에의해 연결되어 생성되는 결정형 다공성 물질이다[1,2]. MOF는 잘 분산된 금속 활성점, 넓은 비표면적, 일정하게 정렬된 내부구조 및 후처리 기능화의 용이성 등 뛰어난 물리화학적 특성을 갖고 있으며, 이들을 이용한 기체 흡착 및 저장[3-6], 촉매[7,8], 약물전달[9], 센서[10] 및 나노물질 합성[11] 등 다양한 응용 연구가 활발히 이루어지고 있다. 특히 일부 MOF 물질의 경우, 구조 내 금속 배위결합 자리에 결합된 수분 또는 용매를 열 및 진공처리를 통해 제거하면 루이스 산 특성을 갖는 금속 자리가 형성되게 된다. |
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