COPPER SELENIDE PARTICLE POWDER, AND METHOD FOR PRODUCING THE SAME

COPPER SELENIDE PARTICLE POWDER, AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide particulate and highly-pure copper selenide powder for CIGS film synthesis by a step for crushing and mixing in an organic solvent, copper or a metal source containing copper with metal selenium or a metal source containing selenium, and a step for performing calcina...

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Hauptverfasser: TAGAMI KOJI, AIKI YOSHIAKI
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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AIKI YOSHIAKI
description PROBLEM TO BE SOLVED: To provide particulate and highly-pure copper selenide powder for CIGS film synthesis by a step for crushing and mixing in an organic solvent, copper or a metal source containing copper with metal selenium or a metal source containing selenium, and a step for performing calcination in a low temperature region in which generation of coarse particles or selenium loss hardly occurs.SOLUTION: Copper or a Cu metal source containing a copper compound whose average primary particle size is ≤1 μm is mixed with one or more kinds selected from selenium and a Se metal source group of selenium compounds, then subjected to primary calcination at 200-400°C in an inert gas, and further subjected to secondary calcination at 200-400°C in reducing gas, to thereby obtain copper selenide powder represented by general formula CuSe, whose average particle size is ≥50 nm and
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AIKI YOSHIAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2012197199A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>TAGAMI KOJI</creatorcontrib><creatorcontrib>AIKI YOSHIAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAGAMI KOJI</au><au>AIKI YOSHIAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COPPER SELENIDE PARTICLE POWDER, AND METHOD FOR PRODUCING THE SAME</title><date>2012-10-18</date><risdate>2012</risdate><abstract>PROBLEM TO BE SOLVED: To provide particulate and highly-pure copper selenide powder for CIGS film synthesis by a step for crushing and mixing in an organic solvent, copper or a metal source containing copper with metal selenium or a metal source containing selenium, and a step for performing calcination in a low temperature region in which generation of coarse particles or selenium loss hardly occurs.SOLUTION: Copper or a Cu metal source containing a copper compound whose average primary particle size is ≤1 μm is mixed with one or more kinds selected from selenium and a Se metal source group of selenium compounds, then subjected to primary calcination at 200-400°C in an inert gas, and further subjected to secondary calcination at 200-400°C in reducing gas, to thereby obtain copper selenide powder represented by general formula CuSe, whose average particle size is ≥50 nm and &lt;0.5 μm, and whose carbon amount is ≤0.2 mass%.</abstract><oa>free_for_read</oa></addata></record>
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title COPPER SELENIDE PARTICLE POWDER, AND METHOD FOR PRODUCING THE SAME
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