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Layered double hydroxide composite monoliths with three-dimensional hierarchical channels: structural control and adsorption behavior

https://hiroshima.repo.nii.ac.jp/records/2008736
https://hiroshima.repo.nii.ac.jp/records/2008736
a9d137ec-376f-4da8-b5a2-3a2c7b8fdee0
名前 / ファイル ライセンス アクション
RSCAd_4_16075.pdf RSCAd_4_16075.pdf (801.3 KB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Layered double hydroxide composite monoliths with three-dimensional hierarchical channels: structural control and adsorption behavior
言語 en
作成者 Tarutani, Naoki

× Tarutani, Naoki

en Tarutani, Naoki

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Tokudome, Yasuaki

× Tokudome, Yasuaki

en Tokudome, Yasuaki

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Nakanishi, Kazuki

× Nakanishi, Kazuki

en Nakanishi, Kazuki

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Takahashi, Masahide

× Takahashi, Masahide

en Takahashi, Masahide

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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
権利情報
権利情報 This is not the published version. Please cite only the published version. この論文は出版社版ではありません。引用の際には出版社版をご確認、ご利用ください。
内容記述
内容記述 Hierarchically porous layered double hydroxide (LDH) materials have potential in anion-exchange, adsorption and catalysis applications, because of their large surface areas and liquid transportation capabilities. The preparation of monolithic LDH-Al(OH)3 composites with hierarchical µm/nm-scale channels and their adsorption behavior is reported. Monolithic gels were synthesized via sol-gel processing, from metal salt precursor solutions. m-scale macrochannels spontaneously formed by inducing phase separation during sol-gel transition. nm-scale mesochannels were accommodated as interstices between primary/secondary particles. In this study, these hierarchical channel sizes were controlled. The macrochannel size was controlled by tuning the degree of phase separation. The mesochannel size was controlled independently, by tuning the crystallite size of LDH under different solvothermal conditions. The relationship between pore characteristics and adsorption behavior of tailored hierarchically porous LDH-Al(OH)3 monolithic gels were investigated by using dye molecules as adsorbates. Monolithic gels with larger macrochannels and mesochannels exhibit faster adsorption rate and higher affinity, respectively. LDH-Al(OH)3 monolithic gels with hierarchical channels may have potential in some applications such as biosensing, water purification and catalysis.
言語 en
内容記述
内容記述タイプ Other
内容記述 The study was supported by a Grant-in-Aid for Scientific Research (B) (No. 22360276) and a Grant-in-Aid for Young Scientists (B) (No. 24750206), from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan Society for the Promotion of Science (JSPS).
出版者
出版者 Royal Society of Chemistry
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
出版タイプ
出版タイプ AO
出版タイプResource http://purl.org/coar/version/c_b1a7d7d4d402bcce
関連情報
識別子タイプ DOI
関連識別子 10.1039/C4RA00873A
関連情報
識別子タイプ DOI
関連識別子 https://doi.org/10.1039/C4RA00873A
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2046-2069
開始ページ
開始ページ 16075
書誌情報 en : RSC Advances

巻 4, p. 16075-16080, 発行日 2014-03-14
旧ID 53537
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