Nanocluster loaded type metal organic framework thin film and preparation method and application thereof

A technology of metal-organic frameworks and nanoclusters, applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, etc., can solve hole payloads (low loading efficiency, easily destroyed Synthesis system, affecting metal-organic framework construction and other issues, to achieve the effect of fast synthesis and high efficiency of nanocluster loading

Active Publication Date: 2016-05-25
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both of the above two methods have some defects, such as the one-step hydrothermal (or solvothermal) synthesis method, the reaction conditions are not easy to control, the nano-clusters can easily destroy the synthesis system, thereby affecting the construction of me

Method used

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  • Nanocluster loaded type metal organic framework thin film and preparation method and application thereof
  • Nanocluster loaded type metal organic framework thin film and preparation method and application thereof
  • Nanocluster loaded type metal organic framework thin film and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0045] 1) Preparation of nanocluster precursor to be loaded

[0046] Weigh 0.6ml (2mmol / L) of tetraisopropyl titanate, 286mg (1mmol / L) of R-1,1'-bis-2-naphthol, 1ml of isopropanol and 1ml of dimethylformamide, mix and seal Put it in a 10ml airtight glass bottle, heat it at 60°C for 24 hours and then cool it to room temperature, finally get red blocky crystal titanyl clusters. This titanyl cluster is the precursor of the nano-clusters supported by this patent.

[0047] 2) Preparation of nanocluster-supported metal-organic framework films

[0048] Weigh copper acetate, trimesic acid and the titanyl clusters prepared in step 1), dissolve them in pure ethanol solution, and prepare solutions with concentrations of 1mmol / L, 0.4mmol / L and 0.5mmol / L respectively 500ml each.

[0049] Connect the prepared solution to the spraying device (comprising a liquid phase epitaxy spray pen, a nitrogen gas pressure control device and a support for fixing the sample) to provide the reaction raw...

Embodiment 2

[0054] 1) Preparation of nanocluster precursor to be loaded

[0055] Weigh 0.6ml (2mmol / L) of tetraisopropyl titanate, 286mg (1mmol / L) of R-1,1'-bis-2-naphthol, 1ml of isopropanol and 1ml of dimethylformamide, mix and seal Put it in a 10ml airtight glass bottle, heat it at 60°C for 24 hours and then cool it to room temperature, finally get red blocky crystal titanyl clusters. This titanyl cluster is the precursor of the nano-clusters supported by this patent.

[0056] 2) Preparation of nanocluster-supported metal-organic framework films

[0057] Weigh copper acetate, camphoric acid / cyclotriethylenediamine complex ligand and the titanium oxide clusters prepared in step 1), dissolve them in pure ethanol respectively, and prepare the concentration to be 0.5mmol / L and 0.2mmol / L respectively and 1.0mmol / L solution 500ml each.

[0058] Connect the prepared solution to the spraying device (comprising a liquid phase epitaxy spray pen, a nitrogen gas pressure control device and a su...

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Abstract

The invention discloses a nanocluster loaded type metal organic framework thin film and a preparation method and an application thereof. Nanoclusters are loaded on a metal organic framework thin film by a liquid phase epitaxial growth method. The method can accurately control the thickness and area of the thin film in the preparation process, ensures growth orientation and thin film thickness uniformity, and makes the formed nanocluster loading have high efficiency, high orientation and uniformity. Because the loaded nanoclusters of each layer can fall inside pore channels of the metal organic framework, the nanoclusters are loaded in each layer while the growth of the metal organic framework is not affected, and thus the nanocluster loaded type metal organic framework thin film is effectively synthesized. The method has the advantages of fast synthesis speed, high efficiency of nanocluster loading, controllability of the thin film thickness, flexible selection of a growth substrate according to the need and the like, and provides a convenient method for large-scale preparation in sensors, devices and other thin-film products.

Description

technical field [0001] The invention belongs to the technical field of film material preparation, and in particular relates to a nano-cluster loaded metal organic framework film and a preparation method thereof. Background technique [0002] Due to their rich micropores, metal-organic frameworks provide a good host framework for the loading of nanoscale guest molecules and realize the effective combination of host-guest functional materials. They have great potential application prospects in molecular catalytic devices and sensors. Therefore, metal-organic frameworks loaded with nanoclusters with special functions have attracted much attention in the fields of optics and catalysis. [0003] So far, the methods for preparing nanocluster-supported metal-organic frameworks are mainly one-step hydrothermal (or solvothermal) synthesis and direct impregnation. Solvothermal) synthesis, the direct impregnation method refers to impregnating the synthesized metal-organic framework in...

Claims

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Application Information

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IPC IPC(8): B01J31/38B01J35/02
Inventor 谷志刚康遥张健
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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