Page 9 - Shimadzu Journal vol.6 Issue1

Material Science

References

(1) K. Tanaka, Y. Chujo, Advanced luminescent materials based on
organoboron polymers. Macromol. Rapid Commun., 33 (2012)
1235–1255.
(2) J. Luo, Z. Xie, J. W. Y. Lam, L. Cheng, H. Chen, C. Qiu, H. S. Kwok, X.
Zhan, Y. Liu, D. Zhu, B. Z. Tang, Aggregation-induced emission of
1-methyl-1,2,3,4,5-pentaphenylsilole. Chem.Commun., (2001)
1740–1741.
(3) Y. Chujo, K. Tanaka, New polymeric materials based on element-blocks.
Bull. Chem. Soc. Jpn., 88 (2015) 633−643.
(4) K. Tanaka, Y. Chujo, Recent progress of optical functional nanomaterials
based on organoboron complexes with β-diketonate, ketoiminate and
diiminate. NPG Asia Mater., 7 (2015) e223.
(5) R. Yoshii, A. Nagai, K. Tanaka, Y. Chujo, Highly emissive boron
ketoiminate derivatives as new class of aggregation-induced emission
fluorophores. Chem. Eur. J. 19 (2013) 4506–4512.
(6) R. Yoshii, A. Hirose, K. Tanaka, Y. Chujo, Functionalization of boron
diiminates with unique optical properties: multicolor tuning of
crystallization-induced emission and introduction into the main-chain of
conjugated polymers. J. Am. Chem. Soc., 136 (2014) 18131−18139.
(7) R. Yoshii, K. Suenaga, K. Tanaka, Y. Chujo, Mechanofluorochromic materials
based on aggregation-induced emission-active boron ketoiminates: regulation
of the direction of the emission color changes. Chem. Eur. J., 21 (2015) 7231−
7237.
(8) A. Hirose, K. Tanaka, R. Yoshii, Y. Chujo, Film-type chemosensors based
on boron diminate polymers having oxidation-induced emission
properties. Polym. Chem., 6 (2015) 5590−5595.
Fig. 4 (a) Schematic model of stimuli-responsive emissive hydrogels containing (9) K. Kokado, Y. Chujo, Emission via aggregation of alternating polymers
o-carborane cross-linker. Reprinted with permission from ref. 9.
Copyright 2010 American Chemical Society. (b) Stimuli-responsive with o-carborane and p-phenylene−ethynylene sequences.
multi-luminescent chromism of o-carborane derivative. Reprinted with Macromolecules, 42 (2009) 1439−1442.
permission from ref 11. Copyright 2015 Wiley-VCH Verlag GmbH & Co. (10) K. Kokado, A. Nagai, Y. Chujo, Poly(γ-glutamic acid) hydrogels with
KGaA.
water-sensitive luminescence derived from aggregation-induced emission
of o-carborane. Macromolecules, 43 (2010) 6463−6468.
Concluding Remarks (11) H. Naito, Y. Morisaki, Y. Chujo, o-Carborane-based anthracene: a
variety of emission behaviors. Angew. Chem., Int. Ed., 54 (2015) 5084−
In this mini review, the recent progress for the development of the 5087.
AIE-inducible organoboron complexes and the resulting AIE-active
molecules including polymers are introduced. AIE-active materials can
be readily prepared by introducing AIE-inducible organoboron
"element-blocks" in the conjugation systems including polymers. As a
result, various types of solid-state emissive materials with unique
optical properties were observed. Finally, based on these emissive
materials, the series of AIE-active conjugated polymers, film-type
chemical sensors, and bright solid-state emissive materials can be
obtained. The design strategies for the functional materials based on
"element-blocks" are promised to be a versatile concept not only for
improving the efficiencies of the conventional devices but also for
generating novel organic devices.

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