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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Controlling Shape Anisotropy of ZnS–AgInS2 Solid Solution Nanoparticles for Improving Photocatalytic Activity

http://hdl.handle.net/2237/26273
http://hdl.handle.net/2237/26273
7182dc1e-91d2-4053-93d7-abc108520cc1
名前 / ファイル ライセンス アクション
am-2016-10408pR1.pdf am-2016-10408pR1.pdf ファイル公開:2017/10/03 (1.9 MB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 71441

en Torimoto, Tsukasa

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Kamiya, Yutaro

× Kamiya, Yutaro

WEKO 71442

en Kamiya, Yutaro

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Kameyama, Tatsuya

× Kameyama, Tatsuya

WEKO 71443

en Kameyama, Tatsuya

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Nishi, Hiroyasu

× Nishi, Hiroyasu

WEKO 71444

en Nishi, Hiroyasu

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Uematsu, Taro

× Uematsu, Taro

WEKO 71445

en Uematsu, Taro

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Kuwabata, Susumu

× Kuwabata, Susumu

WEKO 71446

en Kuwabata, Susumu

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Shibayama, Tamaki

× Shibayama, Tamaki

WEKO 71447

en 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
内容記述タイプ Abstract
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
出版者
出版者 ACS Publications
言語 en
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
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
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