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KAKEN_26286017seika.pdf
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Title |
Title |
特異な光触媒能を有する超分子型ナノ細孔体の創製
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Kana |
トクイナ ヒカリ ショクバイノウ オ ユウスル チョウブンシガタ ナノサイコウタイ ノ ソウセイ
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Tokuina hikari shokubaino o yusuru chobunshigata nanosaikotai no sosei
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Construction of novel supramolecular nanoarrays for photocatalytic applications
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羽會部, 卓
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ハソベ, タク
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Hasobe, Taku
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慶應義塾大学・理工学部・准教授
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Research team head
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科研費研究者番号 : 70418698
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酒井, 隼人
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サカイ, ハヤト
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Sakai, Hayato
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慶應義塾大学・理工学部・助教
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Research team member
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科研費研究者番号 : 60708486
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2017
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科学研究費補助金研究成果報告書
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2016
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本研究では, これら平面性色素を用いたナノ細孔体や異方性分子集合体を多数構築してきたが, 代表的な成果として以下に述べるベンゾペリレンイミドーポルフィリン分子集合体の系についてその詳細を報告する。コロネンからベンゼン環が一つ欠損したベンゾペリレンに着目し, イミド基の配置部位と数を考慮して, 一連の誘導体合成を行い, 分光学および酸化還元特性について評価した。そして, 得られた知見をもとに, ベンゾペリレンに3つのイミド基を有するトリイミド体と亜鉛ポルフィリンの間に三重水素結合を介して集積化させ, 電子ドナー(D)とアクセプター(A)ユニットがそれぞれ層分離・共役させた複合分子集合体を作製した。
One-dimensional supramolecular columnar phases composed of porphyrins (electron donor : D) and benzo[ghi]perylenetriimides (electron acceptor : A) through triple hydrogen bonds have been successfully constructed to perform sequential light-harvesting and electron-transfer processes. A series of benzo[ghi]peryleneimide derivatives have been synthesized to examine the substituent effects such as imide and nitrile groups on the spectroscopic and electrochemical properties. The introduction of substituents onto the benzo[ghi]perylene (Bp) ring successfully enabled control of spectroscopic and electrochemical properties as compared to the non-substituted reference Bp. Then, formation of the 1 : 1 supramolecular complex between zinc porphyrin and benzo[ghi]perylenetriimide derivatives through triple hydrogen bonds was confirmed by Job's plot of 1H NMR titration. Then, the one-dimensional supramolecular nanoarrays were successfully prepared in a mixed solvent.
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研究種目 : 基盤研究(B)(一般)
研究期間 : 2014~2016
課題番号 : 26286017
研究分野 : 光エネルギー変換
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