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A c-coated cu 2 oSynthetic method of cuboctahedral core-shell structure

A technology of core-shell structure and synthesis method, which is applied in the preparation/purification of carbon, copper oxide/copper hydroxide, etc.

Active Publication Date: 2019-10-08
XUZHOU NORMAL UNIVERSITY
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  • Claims
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Problems solved by technology

However, how to control the morphology and structure of carbon-coated metal oxides using MOFs as precursors is a difficult point in this type of research.

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  • A c-coated cu <sub>2</sub> oSynthetic method of cuboctahedral core-shell structure
  • A c-coated cu <sub>2</sub> oSynthetic method of cuboctahedral core-shell structure
  • A c-coated cu <sub>2</sub> oSynthetic method of cuboctahedral core-shell structure

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[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] A C-coated Cu 2 The synthetic method of O cubo-octahedral core-shell structure comprises the steps:

[0017] Step 1: Synthesis of cuboctahedral HKUST-1

[0018] Add 0.1 mmol of copper nitrate trihydrate to a mixed solution of 4.5 mL of ethanol and 4.5 mL of N, N-dimethylformamide to form solution A respectively, and add 1.7 mmol of benzimidazole to 4.5 mL of ethanol and 4.5 mL of N, N-dimethylformamide Solution B was formed in the mixed ...

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Abstract

The invention discloses a synthesis method of a C coated Cu2O cuboctahedron core-shell structure. The synthesis method comprises the following steps: adding copper nitrate trihydrate into a mixed solution of ethanol and N,N-dimethylformamide to form a solution A, and adding benzimidazole into the mixed solution of the ethanol and the N,N-dimethylformamide to form a solution B; then adding the solution B into the solution A; stirring a mixture solution at room temperature for several minutes; then dissolving trimesic acid into the mixed solution of the ethanol and the N,N-dimethylformamide to form a solution C; adding the solution C into the mixture, heating to needed temperature and reacting for several hours; centrifuging and collecting a product; washing with absolute ethyl alcohol for aplurality of times to obtain a cuboctahedron HKUST-1 with uniform size and shape; selecting proper calcination temperature and calcination time for treating the product under an Ar atmosphere to obtain the C coated Cu2O cuboctahedron core-shell structure.

Description

technical field [0001] The invention relates to a C-coated Cu 2 Synthetic method of O cuboctahedral core-shell structure. Background technique [0002] Metal-organic frameworks (MOFs) are a new class of organic-inorganic hybrid materials formed by the self-assembly of inorganic metal ions and organic ligands. Therefore, the synthesis of carbon-coated metal oxides using MOFs as precursors has become a research hotspot. However, how to control the morphology and structure of carbon-coated metal oxides using MOFs as precursors is a difficult point in this type of research. This patent achieves the synthesis of HKUST-1 with a cubo-octahedral shape by introducing a regulator (benzimidazole) during the synthesis of MOFs (HKUST-1), and by selecting an appropriate calcination temperature, a core-shell structure of carbon-coated Cu 2 O cubo-octahedral particles. Contents of the invention [0003] In view of the above-mentioned problems, the purpose of the present invention is ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G3/02C01B32/05
Inventor 韩锡光庄园
Owner XUZHOU NORMAL UNIVERSITY