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Oriented zeolite material and method for producing the same

A zeolite material and orientation technology, applied in the field of oriented zeolite material and its preparation, can solve problems such as linear alignment not mentioned

Inactive Publication Date: 2008-06-18
UNIVERSITY OF BERN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this document deals with the deposition of small zeolite particles of various shapes, but does not mention their linear alignment with respect to the matrix or each other

Method used

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  • Oriented zeolite material and method for producing the same
  • Oriented zeolite material and method for producing the same
  • Oriented zeolite material and method for producing the same

Examples

Experimental program
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Effect test

preparation example Construction

[0040] Preparation of zeolite L monolayer

[0041] Zeolite L monolayers were prepared using two medium-sized cylindrical zeolite L crystals: (a) a 1 μm long crystal with an aspect ratio, i.e., a ratio of length to diameter of 1, and (b) a 200 nm long crystal with an aspect ratio of 0.3 Crystals (A. Zabala Ruiz, D. Monatsh. Chem. 2005, 136, 77). Depending on the reagents, different chemical approaches are followed. Adding the dye and attaching the plug molecules to the channel ends, after calcining the zeolite L crystals, resulted in a unidirectional material. Molecules used as covalent linkers for the synthesis of zeolite L monolayers, dyes embedded in the channels of zeolite L monolayers, and attached pipe plug molecules are compiled in Table 2. The stability of the monolayers was tested by sonicating the samples in toluene prior to calcination. The reason for this test is that sonication is the best method for removing excess crystals from a monolayer. Stability can of...

Embodiment

[0058] Material

[0059] Zeolite L crystals of two different sizes (≈1×1 μm and 0.3×1 μm) were synthesized and characterized as previously described (A.Zabala Ruiz, D.Brühwiler, T.Ban, G.Calzaferri, Monatsh.Chem.2005, 136, 77). Python + Acetate and Ox + Perchlorate was synthesized and purified according to H. Maas, A. Khatyr, G. Calzaferri, Micropor. Mesopor. Mater., 2003, 65, 233. ATTO520 was purchased from ATTO-TECH GmbH. Cy02702 iodine was obtained from Clariant (S. J. Mason, S. Balasubramanian, Org. Lett, 2002, 4, 4261). APS (Fluka, purity ≥98%), GOP-TMS (Fluka, purity ≥97%), PEI (Aldrich, high molecular weight, anhydrous), TES-PCN (Aldrich, 95%), CP-TMS (Aldrich, ≥ 97%), BTESB (Aldrich, 96%). Toluene (Fluka, purified, anhydrous, passed through molecular sieves), ethanol (Fluka, anhydrous, 99.8%), methanol (Fluka, pure), acetonitrile (Fluka, purified, 99.5%, passed through molecular sieves), and double distilled water . The substrate is a circular glass plate (di...

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Abstract

An oriented zeolite material comprises a plurality of zeolite crystals (2) arranged on a substrate (4), each one of said crystals having a proximal face (6) adjacent to said substrate and a distal face (8) opposed therefrom and substantially parallel to said proximal face. Each one of said crystals has a plurality of straight through uniform channels (10) extending between the proximal face and the distal face and having a channel axis parallel to and a channel width transverse to a longitudinal crystal axis A. Each channel has a proximal channel end (12) located at the proximal face and a distal channel end (14) located at the distal face, and each crystal is attached to the substrate by means of a linking layer (16) that substantially occludes the proximal channel ends.

Description

technical field [0001] The invention relates to an orientation zeolite material and a preparation method thereof. Background technique [0002] Sunlight is absorbed by the reflective surface (antenna) system of green leaves, where it is transmitted through the supramolecular structure of chlorophyll molecules to achieve the purpose of energy conversion. In artificial systems involving, for example, molecular arrangements of organic dyes, it is highly desirable to develop similar light transport. However, organic dye molecules tend to form aggregates easily, even at low concentrations. These aggregates are known to generally lead to rapid thermal relaxation of electronic excitation energy. [0003] It has been known for some time that zeolite L crystals are an ideal host system for loading large numbers of dye molecules within them into a supramolecular organization. The main role of zeolite L is to prevent aggregation of dye molecules by virtue o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B39/32H01L31/06H01L31/052H01L31/0216H01L31/0232H01L51/44
CPCH01L31/06Y02E10/52C01B39/32H01L31/0522H01L31/02167Y02E10/542H01L31/055H01L31/0232
Inventor 吉翁·卡尔扎弗里阿兰扎朱·扎巴拉鲁伊斯李焕荣斯蒂芬·休伯
Owner UNIVERSITY OF BERN
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