Semiconductor nanoparticles and method for producing same

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United States of America Patent

PATENT NO 9028723
APP PUB NO 20120074361A1
SERIAL NO

13203562

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Abstract

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Copper(II) acetate, zinc(II) acetate, and tin(IV) acetate are weighed so that the total amount of metal ions is 2.0×10−4 mol and the molar ratio of ions is Cu:Zn:Sn=2:1:1, and 2.0 cm3 of oleylamine is added to prepare a mixed solution. Apart from this, 1.0 cm3 of oleylamine is added to 2.0×10−4 mol of sulfur powder to prepare a mixed solution. These mixed solutions are separately heated at 60° C. and mixed at room temperature. The pressure in a test tube is reduced, followed by nitrogen filling. The test tube is heated at 240° C. for 30 minutes and then allowed to stand until room temperature. The resultant product is separated into a supernatant and precipitates by centrifugal separation. The separated supernatant is filtered, methanol is added to produce precipitates. The precipitates are dissolved by adding chloroform to prepare a semiconductor nanoparticle solution.

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Patent Owner(s)

Patent OwnerAddress
OSAKA UNIVERSITY1-1 YAMADAOKA SUITA-SHI OSAKA 565-0871
NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY1 FURO-CHO CHIKUSA-KU NAGOYA-SHI AICHI-PREFECTURE
TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION1-3 KAGURAZAKA SHINJUKU-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kameyama, Tatsuya Kitaibaraki, JP 53 335
Kudo, Akihiko Kawasaki, JP 89 2554
Kuwabata, Susumu Ibaraki, JP 57 473
Okazaki, Ken-ichi Nagoya, JP 4 30
Osaki, Takaaki Fukui, JP 4 112
Torimoto, Tsukasa Nagoya, JP 43 152

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