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Controllable preparation method of Co-Mo-S (cobalt-molybdenum-sulfur) ternary metal sulfide

A ternary metal, co-mo-s technology, applied in chemical instruments and methods, cobalt sulfide, cobalt compounds, etc., can solve the problems of difficult control of the growth of composite components, difficult controllable preparation, etc. The effect of strong operability and mild synthesis conditions

Inactive Publication Date: 2016-07-13
HUAQIAO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to prepare Co and Mo precursor symbiotic solutions or the growth of composite components is difficult to control, which makes the controllable preparation of multimetal Co-Mo-S active components difficult, and there are few reports.

Method used

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  • Controllable preparation method of Co-Mo-S (cobalt-molybdenum-sulfur) ternary metal sulfide
  • Controllable preparation method of Co-Mo-S (cobalt-molybdenum-sulfur) ternary metal sulfide
  • Controllable preparation method of Co-Mo-S (cobalt-molybdenum-sulfur) ternary metal sulfide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Single-source molecular precursor MoO 2 (DDTC) 3 Preparation of Co

[0029] Weigh 0.4g ammonium paramolybdate [(NH 4 ) 6 Mo 7 o 24 4H 2 O] and 0.6g cobalt nitrate hexahydrate [Co(NO 3 ) 2 ·6H 2 O] was dissolved in 100ml of distilled water, stirred magnetically for 0.5 hour, and the solution formed was designated as solution A. Weigh 1.0 g of sodium diethyldithiocarbamate (DDTC) and dissolve it in 100 ml of distilled water, and magnetically stir for 0.5 hour, and the formed solution is recorded as B solution. The solution A was slowly added dropwise to the solution B, and stirred magnetically for 4.5 hours, and the formed solution was recorded as solution C. Stop stirring solution C, let it stand still for 12 hours, filter it with suction, wash it with distilled water and absolute ethanol three times, and dry it in a blast drying oven at 60°C for 12 hours to obtain a dry powder sample, which is a single-source molecular precursor.

[0030] (2) Preparation ...

Embodiment 2

[0033] (1) Single-source molecular precursor MoO 2 (DDTC) 3 Preparation of Co

[0034] Weigh 0.4g ammonium paramolybdate [(NH 4 ) 6 Mo 7 o 24 4H 2 O] and 0.6g cobalt nitrate hexahydrate [Co(NO 3 ) 2 ·6H 2 O] was dissolved in 100ml of distilled water, stirred magnetically for 0.5 hour, and the solution formed was designated as solution A. Weigh 1.0 g of sodium diethyldithiocarbamate (DDTC) and dissolve it in 100 ml of distilled water, and magnetically stir for 0.5 hour, and the formed solution is recorded as B solution. The solution A was slowly added dropwise to the solution B, and stirred magnetically for 4.5 hours, and the formed solution was recorded as solution C. Stop stirring solution C, let it stand still for 12 hours, filter it with suction, wash it with distilled water and absolute ethanol three times, and dry it in a blast drying oven at 60°C for 12 hours to obtain a dry powder sample, which is a single-source molecular precursor.

[0035] (2) Preparation ...

Embodiment 3

[0038] (1) Single-source molecular precursor MoO 2 (DDTC) 3 Preparation of Co

[0039]Weigh 0.4g ammonium paramolybdate [(NH 4 ) 6 Mo 7 o 24 4H 2 O] and 0.6g cobalt nitrate hexahydrate [Co(NO 3 ) 2 ·6H 2 O] was dissolved in 100ml of distilled water, stirred magnetically for 0.5 hour, and the solution formed was designated as solution A. Weigh 1.0 g of sodium diethyldithiocarbamate (DDTC) and dissolve it in 100 ml of distilled water, and magnetically stir for 0.5 hour, and the formed solution is recorded as B solution. The solution A was slowly added dropwise to the solution B, and stirred magnetically for 4.5 hours, and the formed solution was recorded as solution C. Stop stirring solution C, let it stand still for 12 hours, filter it with suction, wash it with distilled water and absolute ethanol three times, and dry it in a blast drying oven at 60°C for 12 hours to obtain a dry powder sample, which is a single-source molecular precursor.

[0040] (2) Preparation o...

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Abstract

The invention relates to a controllable preparation method of Co-Mo-S (cobalt-molybdenum-sulfur) ternary metal sulfide. The controllable preparation method comprises the following steps of firstly, preparing a single-source molecule precursor, combining with a hydrothermal / solvent thermal method, and utilizing the advantages of the two methods to prepare the Co-Mo-S ternary metal sulfide in a controllable way. The controllable preparation method has the advantages that the synthesizing condition is moderate, the preparation method is simple, the operability is high, the generation of harmful gases in the reaction process is avoided, the environmentally-friendly effect is realized, and the controllable preparation of shape, size and the like of the Co-Mo-S ternary metal sulfide can be realized.

Description

technical field [0001] The invention relates to a controllable preparation method of Co-Mo-S ternary metal sulfides, specifically preparing the single-source molecular precursor MoO 2 (DDTC) 3 Co, followed by the controllable preparation of Co-Mo-S ternary metal sulfides by hydrothermal / solvothermal method. Background technique [0002] As a typical class of nanomaterials, metal sulfides exhibit quantum size effects, interface effects, small size effects, and macroscopic quantum tunneling effects unique to nanomaterials when their size reaches the nanometer level. , has many novel properties, which make it have a broad potential application prospect in the fields of optoelectronics and catalysis. [0003] In recent years, a series of methods for synthesizing nanomaterials have been widely used in the synthesis of metal sulfides, such as: hydrothermal / solvothermal method, precipitation method, sol-gel method, mechanical exfoliation method, template method, microwave method,...

Claims

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Application Information

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IPC IPC(8): C01G51/00
CPCC01G51/30C01P2004/03C01P2004/32C01P2004/34C01P2004/50
Inventor 刘勇军徐红波李志峰
Owner HUAQIAO UNIVERSITY
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