2010 Fiscal Year Final Research Report
Formation of Soft Materials Based on Charge-by-Charge Assemblies Consisting of π-Conjugated Molecules
| Project/Area Number |
21750155
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Functional materials chemistry
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| Research Institution | Ritsumeikan University |
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Principal Investigator |
MAEDA Hiromitsu Ritsumeikan University, 薬学部, 准教授 (80388115)
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| Project Period (FY) |
2009 – 2010
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| Keywords | π共役系 / アニオン認識 / 平面状カチオン / ソフトマテリアル / ピロール誘導体 |
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| Research Abstract |
Macromolecular systems comprising charged π-conjugated components are fascinating due to the formation of stimuli-responsive electronic and optical materials. In order to fabricate ion-based materials, it is essential to design and synthesize the appropriate building molecules, which have efficient binding sites for charged species. Among π-conjugated anion receptors, boron complexes of 1,3-dipyrrolyl-1,3-propanediones have been found to be useful building units of assemblies, such as anion-responsive crystals, supramolecular gels, and liquid crystals, and of covalently linked receptor oligomers that exhibit anion-driven folding behaviors. The fairly planar and emissive pyrrole-based anion-responsive molecules provided new properties and concepts such as charge-by-charge assembly, consisting of alternately stacking anions (receptor-anion complexes) and cations, on the basis of the interactions worked in the charged species.
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[Journal Article] Water-supported organized structures based on wedge-shaped amphiphilic derivatives of dipyrrolyldiketone boron complexes2011
Author(s)
Maeda, H., Eifuku, N., Haketa, Y., Ito, Y., Lee, E., Lee, M.
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Journal Title
Phys.Chem.Chem.Phys. 13
Pages: 3843-3850
Peer Reviewed
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[Journal Article] Solid-state hydrogen-bonding self-assemblies and keto-enol tautomerism of 1,3-dipyrrolyl-1,3-propanediones2011
Author(s)
Haketa, Y., Eifuku, N., Bando, Y., Yamada, I., Hagihara, A., Maeda, H.
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Journal Title
Supramol.Chem. 23, in press
Pages: DOI : 10.1080/10610278.2010.521834)
Peer Reviewed
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[Journal Article] Oriented Salts : Dimension-Controlled Charge-by-Charge Assemblies from Planar Receptor. Anion Complexes2010
Author(s)
Haketa, Y., Sasaki, S., Ohta, N., Masunaga, H., Ogawa, H., Mizuno, N., Araoka, F., Takezoe, H., Maeda, H.
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Journal Title
Angew.Chem., Int.Ed. 49
Pages: 10079-10083
Peer Reviewed
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[Journal Article] Electronic and Optical Properties in the Solid-State Molecular Assemblies of Anion-Responsive Pyrrole-Based π-Conjugated Systems2010
Author(s)
Maeda, H., Bando, Y., Haketa, Y., Honsho, Y., Seki, S., Nakajima, H., Tohnai, N.
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Journal Title
Chem.Eur.J. 16
Pages: 10994-11002
Peer Reviewed
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[Journal Article] Discotic columnar mesophases derived from 'rod-like' π-conjugated anion-responsive acyclic oligopyrroles2010
Author(s)
Maeda, H., Terashima, Y., Haketa, Y., Asano, A., Honsho, Y., Seki, S., Shimizu, M., Mukai, H., Ohta, K.
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Journal Title
Chem.Commun. 46
Pages: 4559-4561
Peer Reviewed
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[Journal Article] Solvent-Assisted Organized Structures Based on Amphiphilic Anion-Responsive π-Conjugated Systems2009
Author(s)
Maeda, H., Ito, Y., Haketa, Y., Eifuku, N., Lee, E., Lee, M., Hashishin, T., Kaneko, K.
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Journal Title
Chem.Eur.J. 15
Pages: 3706-3719
Peer Reviewed
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