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Controlling Shape Anisotropy of ZnS–AgInS2 Solid Solution Nanoparticles for Improving Photocatalytic Activity
http://hdl.handle.net/2237/26273
http://hdl.handle.net/2237/262737182dc1e-91d2-4053-93d7-abc108520cc1
名前 / ファイル | ライセンス | アクション |
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am-2016-10408pR1.pdf ファイル公開:2017/10/03 (1.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-05-10 | |||||
タイトル | ||||||
タイトル | Controlling Shape Anisotropy of ZnS–AgInS2 Solid Solution Nanoparticles for Improving Photocatalytic Activity | |||||
言語 | en | |||||
著者 |
Torimoto, Tsukasa
× Torimoto, Tsukasa× Kamiya, Yutaro× Kameyama, Tatsuya× Nishi, Hiroyasu× Uematsu, Taro× Kuwabata, Susumu× Shibayama, Tamaki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | “This document is the Accepted Manuscript version of a Published Work that appeared in final form in [ACS Applied Materials & Interfaces], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [http://pubs.acs.org/articlesonrequest/AOR-Z8uXhEMXmyBwkX5VhAik].” | |||||
抄録 | ||||||
内容記述 | Independently controlling the shape anisotropy and chemical composition of multinary semiconductor particles is important for preparing highly efficient photocatalysts. In this study, we prepared ZnS–AgInS2 solid solution ((AgIn)xZn2(1–x)S2, ZAIS) nanoparticles with well-controlled anisotropic shapes, rod and rice shapes, by reacting corresponding metal acetates with a mixture of sulfur compounds with different reactivities, elemental sulfur, and 1,3-dibutylthiourea, via a two-step heating-up process. The chemical composition predominantly determined the energy gap of ZAIS particles: the fraction of Zn2+ in rod-shaped particles was tuned by the ratio of metal precursors used in the nanocrystal formation, while postpreparative Zn2+ doping was necessary to increase the Zn2+ fraction in the rice-shaped particles. The photocatalytic H2 evolution rate with irradiation to ZAIS particles dispersed in an aqueous solution was significantly dependent on the chemical composition in the case of using photocatalyst particles with a constant morphology. In contrast, photocatalytic activity at the optimum ZAIS composition, x of 0.35–0.45, increased with particle morphology in the order of rice (size: ca. 9 × ca. 16 nm) < sphere (diameter: ca. 5.5 nm) < rod (size: 4.6 × 27 nm). The highest apparent quantum yield for photocatalytic H2 evolution was 5.9% for rod-shaped ZAIS particles, being about two times larger than that obtained with spherical particles. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | ACS Publications | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1021/acsami.6b10408 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1944-8244 | |||||
書誌情報 |
en : ACS Applied Materials & Interfaces 巻 8, 号 40, p. 27151-27161, 発行日 2016-10-03 |
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著者版フラグ | ||||||
値 | author | |||||
URI | ||||||
識別子 | http://doi.org/10.1021/acsami.6b10408 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/26273 | |||||
識別子タイプ | HDL |