• 제목/요약/키워드: $Cu_3(BTC)_2$

검색결과 8건 처리시간 0.019초

Facile Syntheses of Metal-organic Framework Cu3(BTC)2(H2O)3 under Ultrasound

  • Khan, Nazmul Abedin;Jhung, Sung-Hwa
    • Bulletin of the Korean Chemical Society
    • /
    • 제30권12호
    • /
    • pp.2921-2926
    • /
    • 2009
  • Cu-BTC[$Cu_3(BTC)_2(H_2O)_3$, BTC = 1,3,5-benzenetricarboxylate], one of the most well-known metal-organic framework materials (MOF), has been synthesized under atmospheric pressure and room temperature by using ultrasound. The Cu-BTC can be obtained in 1 min in the presence of DMF (N,N-dimethylformamide), suggesting the possibility of continuous production of Cu-BTC. Moreover, the surface area and pore volume show that the concentration of DMF is important for the synthesis of Cu-BTC having high porosity. The morphology and phase also depend on the concentration of DMF : Cu-BTC cannot be obtained at room temperature in the absence of DMF and aggregated Cu-BTC (with low surface area) is produced in the presence of high concentration of DMF. It seems that the deprotonation of benzenetricarboxylic acid by base (such as DMF) is inevitable for the room temperature syntheses.

표면 개질된 지지체를 이용한 Cu3(BTC)2 튜브형 분리막의 용매열 합성 및 특성분석 (Solvothermal Synthesis and Characterization of Cu3(BTC)2 Tubular Membranes Using Surface Modified Supports)

  • 노승준;김진수
    • Korean Chemical Engineering Research
    • /
    • 제52권2호
    • /
    • pp.214-218
    • /
    • 2014
  • 본 연구에서는 용매열합성법(solvothermal method)을 이용하여 매크로 기공의 알루미나 튜브 지지체 위에 나노기공 $Cu_3(BTC)_2$ 분리막을 제조하였다. In-situ 용매열합성법을 이용하는 경우, 매크로 기공의 알루미나 지지체 위에 균일한 핵생성과 성장을 통해 연속적이고 균열이 없는 $Cu_3(BTC)_2$ 층을 형성하기 어렵다. 본 연구에서는 용매열합성 전에 알루미나 지지체 표면을 $200^{\circ}C$로 가열한 상태에서 Cu 전구체 용액을 분무하여 지지체 표면을 개질한 후, 용매열합성법을 수행하여 연속적이고 균열이 없는 $Cu_3(BTC)_2$ 튜브형 분리막을 제조할 수 있었다. 합성된 $Cu_3(BTC)_2$ 분리막은 XRD, FE-SEM 및 기체투과 실험 등을 통해 분석하였다. $5{\mu}m$의 두께를 가진 $Cu_3(BTC)_2$ 튜브형 분리막을 통한 단일기체 투과실험 결과, $80^{\circ}C$에서 $H_2$가 가지는 투과도는 $7.8{\times}10^{-7}mol/s{\cdot}m^2{\cdot}Pa$이고, $H_2/N_2$, $H_2/CO_2$의 이상선택도는 각각 11.94, 12.82로 계산되었다.

Layer-by-layer 기법을 통한 Cu2(btc)3-AAO 하이브리드 분리막의 제조 (Preparation of Cu2(btc)3-AAO Hybrid Membrane by Layer-by-layer Technique)

  • 유현석;최진섭
    • 한국표면공학회지
    • /
    • 제51권1호
    • /
    • pp.21-26
    • /
    • 2018
  • The $Cu_2(btc)_3$ metal-organic frameworks (MOF) coated anodic aluminum oxide (AAO) membrane was successfully prepared by layer-by-layer technique using hand spray method. It was confirmed that the $Cu_2(btc)_3$ layer, which has the pore sized in 2-3 nm, on surface of AAO exhibited the polycrystalline thin film structure by XRD analysis. More than 100 repetitive spray cycles were required to obtain more robust and thick MOFs on AAO and it was possible to uniformly coat both the top and bottom surfaces of the AAO. It should be noted that the MOFs also could be coated on surface of pores resulting in reduce the size of pore from 52 nm to 32 nm.

유기 금속 Framework Cu-BTC의 합성 및 이산화탄소 분리 응용 (Synthesis of Metal-Organic Framework material Cu-BTC and its application for $CO_2$ adsorption)

  • 팽메이메이;푸시파라지 헤마라다;마니가니쉬;칸단 벤카타찰람;오한석;장현태
    • 한국산학기술학회:학술대회논문집
    • /
    • 한국산학기술학회 2011년도 춘계학술논문집 1부
    • /
    • pp.147-150
    • /
    • 2011
  • A copper-based metal organic framework (MOF) named Cu-BTC, also known as HKUST-1, was successfully synthesized by using a solvothermal method. The properties of the Cu-BTC sample were characterized with Powder X-ray diffraction (XRD) for phase structure, Thermogravimetric analysis (TGA) for thermal stability, Scanning electron microscopy (SEM) for crystal structure, and Nitrogen adsorption-desorption for pore textural structure. The analysis results displayed that the Cu-BTC sample exhibited a good crystal structure with uniform size of octahedral particles. The BET data revealed a high surface area of $1457 \;m^2g^{-1}$ and a pore volume of $0.60\; cm^3g^{-1}$. The Cu-BTCs ample was also studied for $CO_2$ adsorption and exhibited a maximum $CO_2$ adsorption capacity of 170 mg/g of the sorbent (3.8 mol/kg) at $25^{\circ}C$.

  • PDF

이산화탄소 흡착용 Cu-BTC MOF 합성 최적화 (Optimization of synthesis conditions and $CO_2$ capture capability of Cu-BTC Metal-Organic Framework)

  • 팽메이메이;푸시파라지 헤마라다;마니 가네쉬;장현태
    • 한국산학기술학회:학술대회논문집
    • /
    • 한국산학기술학회 2011년도 추계학술논문집 1부
    • /
    • pp.200-203
    • /
    • 2011
  • A copper-based metal organic framework (MOF) named Cu-BTC, also known as HKUST-1, was synthesized by using a solvothermal method at various synthesis temperature, time and pressure. The obtained samples were characterized with Powder X-ray diffraction (XRD) for phase structure, scanning electron microscopy (SEM) for crystal structure, and nitrogen adsorption-desorption for pore textural structure. The Cu-BTC sample was also studied for $CO_2$ adsorption. The analysis results displayed that the sample synthesized at the condition of temperature: $120^{\circ}C$, synthesis time: 12 hours, pressure: 1 bar exhibited a good crystal structure with uniform size of octahedral particles. The BET data revealed a high surface area of 1741.7 $m^2g^{-1}$ and a pore volume of 0.7137 $cm^3g^{-1}$and exhibiteda maximum $CO_2$ adsorption capacity of 170 mg/g of the sorbent at $25^{\circ}C$.

  • PDF

Fluorescence Sensing Properties of Thiazolobenzo-crown Ether Incorporating Coumarin

  • Lee, Sang-Hoon;Helal, Aasif;Kim, Hong-Seok
    • Bulletin of the Korean Chemical Society
    • /
    • 제31권3호
    • /
    • pp.615-619
    • /
    • 2010
  • A new coumarin-thiazolobenzo-crown ether based fluorogenic chemosensor BTC (1) was reported. The ion-selective binding properties of 1 with different alkali, alkaline earth metals and transitional metals were investigated in an ethanol-DMSO system. BTC (1) showed the highest binding constant toward $Hg^{2+}$ over $Ag^+$, $Pb^{2+}$ and $Cu^{2+}$.