Mechanistic Study on the Synthesis of a Porous Zincosilicate VPI-7 Containing Three-Membered Rings

被引：22

作者：

Suzuki, Yasuhiro ^{[1
]}

Wakihara, Toru ^{[1
]}

Kohara, Shinji ^{[2
]}

Itabashi, Keiji ^{[1
]}

Ogura, Masaru ^{[1
]}

Okubo, Tatsuya ^{[1
]}

机构：

[1] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

[2] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 02期

关键词：

RAY-DIFFRACTION TECHNIQUE; MOLECULAR-SIEVE; ALUMINOSILICATE ZEOLITES; HYDROTHERMAL SYNTHESIS; RAMAN-SPECTROSCOPY; FRAMEWORK DENSITY; SILICA; NETS;

D O I：

10.1021/jp109373z

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Changes in the medium-range order during the crystallization of VPI-7, a zincosilicate zeolite containing 3-membered rings (3Rs), were characterized by high-energy X-ray diffraction and Raman spectroscopy. Distinct changes in the medium-range order have been observed, especially due to the formation of 3Rs in the initial stages of the crystallization of VPI-7. Increases in the formation of other rings during crystallization have also been confirmed. Addition of Zn has been shown to promotion of the formation of 3Rs in these amorphous solids.

引用

页码：443 / 446

页数：4

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