Remarkable photoluminescence enhancement of ZnS–AgInS2 solid solution nanoparticles by post-synthesis treatment

Tsukasa Torimoto; Shoji Ogawa; Tomohiro Adachi; Tatsuya Kameyama; Ken-ichi Okazaki; Tamaki Shibayama; Akihiko Kudo; Susumu Kuwabata

doi:10.1039/B924186H

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Remarkable photoluminescence enhancement of ZnS–AgInS₂ solid solution nanoparticles by post-synthesis treatment†

Tsukasa Torimoto,*^ae Shoji Ogawa,^a Tomohiro Adachi,^a Tatsuya Kameyama,^a Ken-ichi Okazaki,^a Tamaki Shibayama,^b Akihiko Kudo^c and Susumu Kuwabata^de

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* Corresponding authors

^a Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
E-mail: torimoto@apchem.nagoya-u.ac.jp
Fax: +81-52-789-5299
Tel: +81-52-789-4614

^b Center for Advanced Research of Energy Conversion Materials, Hokkaido University, Sapporo 060-8628, Japan

^c Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan

^d Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan

^e Japan Science & Technology Agency, CREST, Kawaguchi, Saitama 3320012, Japan

Abstract

The photoluminescence intensity of ZnS–AgInS₂ solid solution nanoparticles was remarkably enhanced by increasing the heating temperature to 180 °C, above which the emission was simply diminished, while ZnS coating of the particles resulted in further enhancement of PL intensity, giving the highest quantum yield of ca. 80%.

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Supplementary files

TEM image, XRD profiles and the dependence of PL quantum yield on the heating temperature of the nanoparticles PDF (2995K)

Article information

DOI: https://doi.org/10.1039/B924186H
Article type: Communication
Submitted: 18 Nov 2009
Accepted: 03 Feb 2010
First published: 19 Feb 2010

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Chem. Commun., 2010,46, 2082-2084

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Remarkable photoluminescence enhancement of ZnS–AgInS₂ solid solution nanoparticles by post-synthesis treatment

T. Torimoto, S. Ogawa, T. Adachi, T. Kameyama, K. Okazaki, T. Shibayama, A. Kudo and S. Kuwabata, Chem. Commun., 2010, 46, 2082 DOI: 10.1039/B924186H

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Chemical Communications