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KAKEN_16H02398seika.pdf
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:Mar 5, 2021 |
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デザインされた異方性ナノブロックによる秩序配列マテリアルの構築と機能開拓
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デザインサレタ イホウセイ ナノブロック ニ ヨル チツジョ ハイレツ マテリアル ノ コウチク ト キノウ カイタク
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Dezainsareta ihōsei nanoburokku ni yoru chitsujo hairetsu materiaru no kōchiku to kinō kaitaku
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Structural design and function exploration of ordered assembly of anisotropic nanoblocks
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今井, 宏明
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イマイ, ヒロアキ
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Imai, Hiroaki
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慶應義塾大学・理工学部 (矢上) ・教授
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科研費研究者番号 : 70255595
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2020
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科学研究費補助金研究成果報告書
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2019
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サイズと形状のそろったナノブロックは, その分散液の蒸発に伴う移流集積現象によって配向配列体を形成する．本研究では, この自己集積現象を巧みに利用し, 集積条件を最適化することで, ナノキューブやナノ直方体などの矩形ナノブロックをビルディングユニットとして, 様々な種類の一次元・二次元・三次元秩序配列をマイクロ～ミリメートルスケールの広範囲にわたって方位選択的に作製することを可能とした．ナノブロックは有機分子に覆われており, 多様な金属酸化物や金属が積層できるために, 多様かつ異種の物質において特異な配向体や接合体が得られ, 結晶方位の同一性や高い比表面積に由来する新規な機能が見出された．
We studied the controlled 1D, 2D, and 3D brickworks with various inorganic rectangular building nanoblocks covered by stabilizing organic agents. The structures of the ordered assembly are found to be controlled by changing several parameters, such as particle concentration and the properties of dispersion media and stabilizing agents. This brickwork technique is applicable for multicomponent systems using a library of rectangular nanoblocks. Homogeneous and heterogeneous ordered architectures with spatial and sequential control are selectively produced through the self-assembly of nanocubes and nanocuboids. These elaborate nanoscale brickworks are now being developed for the production of designed microstructures with novel functions.
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研究種目 : 基盤研究 (A) (一般)
研究期間 : 2016～2019
課題番号 : 16H02398
研究分野 : 材料化学
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