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Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (3): 721.

• Articles • Previous Articles     Next Articles

UV Raman Spectroscopic Studies on Rapid Synthesis of AM-6 Zeolite and Formation Mechanism of —V—O—V— Atomic Wires

GUO Mei-Ling1,2, FAN Feng-Tao1, GUO Qiang1,2, FENG Zhao-Chi1*, LI Can1*   

  1. 1. State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2010-10-12 Revised:2010-11-23 Online:2011-03-10 Published:2011-02-23
  • Contact: LI Can;FENG Zhao-Chi E-mail:canli@dicp.ac.cn;zcfeng@dicp.ac.cn
  • Supported by:

    国家“九七三”计划项目(批准号: 2009CB623507)和国家自然科学基金(批准号: 20773118, 21003122)资助.

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Abstract: The synthesis of AM-6 zeolite with remarkable short time, 4 hours, has been reported in this work. The effects of the K+/V4+ ratio and the pH value of the initial gel on the purity and crystallinity of AM-6 zeolite have been investigated. The synthesis condition optimized at K+/V4+=3 and pH=12.5. The formation mechanism of the –V-O-V- atomic wires in AM-6 is monitored by UV Raman spectroscopy in combination with UV-Vis spectroscopy and X-ray diffraction patterns. It turns out that the formation of the VO3- chains composed of corner-sharing VO4 in the silicate gel plays an important role in the formation of -V-O-V- atomic wires in AM-6 crystals.

Key words: AM-6 zeolite, UV Raman spectroscopy, synthesis mechanism, atomic wires

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