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Process for preparation of compound containing 6A group element using reductant

A technology for compounds and group elements, which is applied in the field of preparing compounds containing 6A group elements using reducing agents, can solve the problems of deterioration of physical properties of the absorption layer, high production costs, and reduced uniformity of the InSe compound layer, and achieves excellent dispersion and coating. performance, the effect of reducing production costs

Active Publication Date: 2010-09-29
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared to the aforementioned methods proposed by the present applicant, the electroplating-based method exhibits reduced uniformity of the InSe compound layer formed on the substrate and requires high production costs, thereby deteriorating the physical properties of the final absorber layer.
Therefore, the above-mentioned method has not been applied in the current mass production

Method used

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  • Process for preparation of compound containing 6A group element using reductant
  • Process for preparation of compound containing 6A group element using reductant
  • Process for preparation of compound containing 6A group element using reductant

Examples

Experimental program
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Embodiment 1

[0054] 10 mmol of indium nitrate aqueous solution and 10 mmol of selenous acid were dissolved in ethylene glycol, mixed together, and heated to 150° C. for reaction. A solution of 10 mmol of copper(II) nitrate and 20 mmol of selenous acid was added to the reaction mixture, followed by the addition of 100 mmol of hydrazine as a reducing agent at room temperature. After reacting for 1 hour, the reaction product was centrifuged and purified to prepare a reaction complex in the form of a core-shell with a size of 50-100 nm, wherein the indium selenide particles were coated with copper selenide.

Embodiment 2

[0056]10 mmol of indium nitrate aqueous solution and 10 mmol of selenous acid were dissolved in 1,4-butanediol, mixed together, and heated to 140° C. for reaction. A solution of 10 mmol of copper(II) sulfide and 30 mmol of selenous acid was added to the reaction mixture, followed by the addition of 100 mmol of hydrazine as a reducing agent at room temperature. After reacting for 3 hours, the reaction product was centrifuged and purified to prepare a reaction complex in the form of a core-shell with a size of 20-100 nm, wherein the indium selenide particles were coated with copper selenide.

Embodiment 3

[0058] 10 mmol of indium nitrate aqueous solution and 15 mmol of selenous acid were dissolved in water, mixed together, and heated to 60°C. 90 mmol of ascorbic acid was added as a reducing agent to the mixture and stirred for 1 hour. A solution of 10 mmol of copper(II) chloride and 20 mmol of selenous acid was added to the reaction mixture, followed by the addition of 100 mmol of hydrazine as another reducing agent. After reacting for 1 hour, the reaction product was centrifuged and purified to prepare a reaction complex in the form of a core-shell with a size of 20-80 nm, wherein the indium selenide particles were coated with copper selenide.

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Abstract

Provided is a process for preparation of a compound containing a group 6A element which includes reaction of at least one compound selected from a group consisting of group IB element containing compounds and group 3 A element containing compounds with a group 6A element containing compound carried out using a reductant in a desirable solvent to produce a compound containing group 1B-6A elements,a compound containing group 3 A-6A elements and / or a compound containing group 1B-3A-6A elements.

Description

technical field [0001] The present invention relates to a method for preparing a compound containing a Group 6A element, and more particularly, the present invention relates to a method for preparing a compound containing a Group 6A element, which comprises: using a reducing agent (reducing agent) in a suitable solvent Reacting at least one compound selected from a compound containing a group 1B element and a compound containing a group 3A element with a compound containing a group 6A element to prepare a compound containing a group 1B-6A element and a compound containing a group 3A-6A element And / or compounds containing group 1B-3A-6A elements. Background technique [0002] Due to the increasingly serious environmental (pollution) problems and increasing energy consumption, people have recently become more and more interested in solar cells with high energy efficiency as an alternative energy source that can be obtained from abundant natural resources without environmental ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B19/04
CPCC01P2004/84C01P2004/64C01P2004/03C01P2004/04C01B19/007C01P2004/62B82Y30/00C01B19/04C01G15/00Y10T428/2982
Inventor 尹锡喜尹锡炫尹泰勋
Owner LG CHEM LTD
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