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Lunhong Ai,Jing Jiang 한국물리학회 2010 Current Applied Physics Vol.10 No.1
Nanocrystalline cobalt ferrites were synthesized by a simple, general, one-step sol.gel auto-combustion method. An interpretation based on the measurement of the adiabatic flame temperature and the amounts of gas evolved during reaction had been proposed for the nature of combustion. The influence of annealing temperatures on the magnetic properties was investigated. The microstructure was characterized by means of X-ray diffractometer (XRD) and transmission electron microscopy (TEM). It was found that the particle size and magnetic properties of the as-prepared ferrite samples showed strong dependence on the annealing temperature. The coercivity initially increased and then decreased with increasing annealing temperature whereas the particle size and saturation magnetization continuously increased.
Lili Li,Yaoyao Liu,Lunhong Ai,Jing Jiang 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.70 No.-
The porous CuO architectures have been successfully synthesize by the effective transformation of aCu-BTC metal-organic frameworks (MOFs) through a facile heating treatment. The as-synthesized porousCuO architectures exhibit high electrocatalytic activity toward the glucose oxidation. When evaluated asa nonenzymatic glucose biosensor, the porous CuO architectures manifest fast response within 1.3 s, widelinear range from 0.5 mM to 2.8 mM, low detection limit of 0.1 mM (signal-to-noise ratio of 3), highsensitivity up to 934.2 mA mM 1cm 2 as well as favorable reproducibility.