论文成果
Synthesis of Continuous and Dense TAPO-5 Molecular Sieve Membranes by Steam-assisted Gel Conversion Method
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关键字:TAPO-5 molecular sieve membrane; steam-assisted gel conversion; synthesis conditions
摘要:TAPO-5 molecular sieve membranes were synthesized by using steam-assisted gel conversion method. The as-synthesized TAPO-5 membranes were characterized using X-ray diffraction (XRD), scanning electron microscope (SEM), as well as UV-visible diffuse reflectance spectroscope (UV-Vis). Results were compared with those by conventional hydrothermal crystallization method. The influences of the aging conditions and crystallization time on the surface morphology, coverage and denseness of the membrane together with the crystalline structure of molecular sieve crystals were investigated. By using steam-assisted gel conversion method, continuous and dense TAPO-5 molecular sieve membranes could be fabricated on porous alpha-Al2O3 substrates after crystallization for 48 h because the pre-aged solid gel were favorable to the incorporation of Ti atoms into the tetrahedral framework and the intergrowth of TAPO-5 crystals.
卷号:28
期号:6
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张萍萍

硕士生导师

教师拼音名称:zhangpingping

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学历:博士研究生

学位:工学博士

毕业院校:青岛科技大学

所属院系:材料科学与工程学院

学科:材料物理与化学

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