Synthesis and Characterization of Copper-Nickel Based Metal Organic Framework by Co-Precipitation Methode: Properties and Possible Application

Abstract

CuNi-BTC was synthesized using the co-precipitation method with precursors copper (II) nitrate trihydrate, nickel nitrate trihydrate, benzene-1,3,5-tricarboxylic acid, and the addition of 10 wt% triethanolamine (TEOA) as a modulator. The synthesis was conducted at room temperature and dried at 60°C for 24 hours. X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Fourier-Transform Infrared (FTIR), Brunnauer-Emmet-Teller (BET), and electrochemical measurement are techniques employed for the characterization of the material. The diffraction patterns of CuNi-BTC show similar diffraction peaks of the HKUST-1 at 2θ of 6.7°, 9.5°, 11.5°, and 13.4°, respectively. The morphology of CuNi-BTC has an octahedral shape with a pore on its surface. The BET analyses show that the surface area of CuNi-BTC is 534 m2/g with pore and diameter volumes of 0.044 cm3/g and 1.60 nm, respectively. The nitrogen adsorption-desorption isotherm graph shows the type IV characteristic of a mesoporous material. The electrochemical performance of the material was observed by cyclic voltammetry (CV) methods. The CuNi-BTC has current reduction and oxidation values of 4.46 and 3.38 μA, respectively, and has good stability at various scan rates between 10 – 100 mvs-1.