An Inorganic–Organic Hybrid Framework Composed of Polyoxotungstate and Long-Chained Bolaamphiphile
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Published:2023-02-01
Issue:3
Volume:24
Page:2824
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ISSN:1422-0067
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Container-title:International Journal of Molecular Sciences
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language:en
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Short-container-title:IJMS
Author:
Ikuma Haruka1, Aoki Shunsuke1, Kawahara Kai1, Ono Seiji2, Iwamatsu Hironori2, Kobayashi Jun1, Kiyota Yoshiki1, Okamura Yosuke2, Higuchi Masashi2, Ito Takeru1ORCID
Affiliation:
1. Department of Chemistry, School of Science, Tokai University, Kanagawa 259-1292, Japan 2. Department of Applied Chemistry, School of Engineering, Tokai University, Kanagawa 259-1292, Japan
Abstract
Surfactants are functional molecules utilized in various situations. The self-assembling property of surfactants enables several molecular arrangements that can be employed to build up nanometer-sized architectures. This is beneficial in the construction of functional inorganic–organic hybrids holding the merits of both inorganic and organic components. Among several surfactants, bolaamphiphile surfactants with two hydrophilic heads are effective, as they have multiple connecting or coordinating sites in one molecule. Here, a functional polyoxotungstate inorganic anion was successfully hybridized with a bolaamphiphile to form single crystals with anisotropic one-dimensional alignment of polyoxotungstate. Keggin-type metatungstate ([H2W12O40]6−, H2W12) was employed as an inorganic anion, and 1,12-dodecamethylenediammonium (C12N2) derived from 1,12-dodecanediamine was combined as an organic counterpart. A simple and general ion-exchange reaction provided a hybrid crystal consisting of H2W12 and C12N2 (C12N2-H2W12). Single crystal X-ray structure analyses revealed a characteristic honeycomb structure in the C12N2-H2W12 hybrid crystal, which is possibly effective for the emergence of conductivity due to the dissociative protons of C12N2.
Funder
JSPS KAKENHI JSPS Core-to-Core Program
Subject
Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Computer Science Applications,Spectroscopy,Molecular Biology,General Medicine,Catalysis
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