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Indium oxide nanocrystals with mesoporous structure were successfully synthesized by using triblock copolymer as a template,
and characterized by thermogravimetry-differential scanning calorimeter (TG-DSC), X-ray powder diffraction (XRD), high resolution
transmission electron microscopy (HRTEM) and N2 adsorption. A high EO/PO ratio is thought to be the key point to prepare mesoporous In2O3. The results show that the average pore diameter of the products is 6 nm, the BET surface area is 54.78 m2/g, and the adsorbing pore volume is 0.345 cm3/g. After comparing with normal indium oxide nanoparticles by BET test, mesoporous indium oxide demonstrates a large difference
in adsorbing pore volume and average pore diameters from normal ones.
Project supported by the Leading Academic Discipline Project of Shanghai Municipal Education Commission (Grant No.J50102) 相似文献
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1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｔｈｅｓｅｎｓｉｎｇｏｆｃａｒｂｏｎｍｏｎｏｘｉｄｅｉｓｃｒｉｔｉｃａｌｌｙｉｍｐｏｒ ｔａｎｔｆｏｒｓａｆｅｔｙｃｏｎｔｒｏｌｉｎｇａｓａｐｐｌｉｃａｔｉｏｎｓ ,ｂｅｃａｕｓｅｉｎ ｃｏｍｐｌｅｔｅｃｏｍｂｕｓｔｉｏｎｏｆｇａｓｅｓｃａｎｃａｕｓｅｓｅｒｉｏｕｓＣＯｐｏｉｓｏｎｉｎｇ .Ｄｅｖｅｌｏｐｍｅｎｔｏｆａｓｏｌｉｄ ｓｔａｔｅＣＯｓｅｎｓｏｒｉｓｔｈｅｒｅｆｏｒｅｄｅｓｉｒａｂｌｅｆｏｒｇａｓａｐｐｌｉｃａｔｉｏｎｓ .Ｉｎｔｈｅｉｎｃｏｍ ｐｌｅｔｅｃｏｍｂｕ… 相似文献
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针对我校材料专业实验教学课时大幅缩减的教学现状,从重整实验化学教材、精选实验内容入手,保障实验教学目标。注重学生动手能力、观察能力、以及科学潜质的培养,借助网络教学平台,实现教学内容互动答疑,缩短实验考评时间,保证短学期、少学时教学体系下基础化学实验课堂教学的质量。 相似文献
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With InCl3·4H2O being used as raw materials, the precursor of nano-sized In2O3 powder was prepared by hydrolysis, peptization and gelation of InCl3·4H2O. After calcination, nano-sized In2O3 powder was obtained. The powder was characterized by thermo-gravimetric and differential thermal analysis (TG-DTA), X-ray
diffractometry (XRD) and transmission electron microscopy (TEM), respectively. Calculation revealed that the mean crystalline
size increased with increasing the calcination temperature, but crystal lattice distortion rate decreased with the increasing
in the average crystalline size. This indicated that the smaller the particle size, the bigger the crystal lattice distortion,
the worse the crystal growing. The activation energies for growth of nano-sized In2O3 were calculated to be 4.75 kJ·mol−1 at the calcination temperature up to 500°C; and 66.40 kJ·mol−1 at the calcination temperature over 600°C. TEM photos revealed that the addition of the chemical additive (OP-10) greatly
influenced the morphology and size of In2O3 particles. 相似文献
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