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Shape-Memory Platinum(II) Complexes : Intelligent Vapor-History Sensor with ON-OFF Switching Function

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Title: Shape-Memory Platinum(II) Complexes : Intelligent Vapor-History Sensor with ON-OFF Switching Function
Authors: Shigeta, Yasuhiro Browse this author
Kobayashi, Atsushi Browse this author →KAKEN DB
Ohba, Tadashi Browse this author
Yoshida, Masaki Browse this author →KAKEN DB
Matsumoto, Takeshi Browse this author
Chang, Ho-Chol Browse this author →KAKEN DB
Kato, Masako Browse this author →KAKEN DB
Keywords: chromophores
shape-memory effects
Issue Date: 18-Feb-2016
Publisher: Wiley-Blackwell
Journal Title: Chemistry-A European journal
Volume: 22
Issue: 8
Start Page: 2682
End Page: 2690
Publisher DOI: 10.1002/chem.201503247
PMID: 26636566
Abstract: A novel platinum(II)-diimine complex, [Pt(CN)(2)(H(2)dcphen)] (1; H(2)dcphen=4,7-dicarboxy-1,10- phenanthroline), was synthesized and its vapochromic shape-memory behavior was evaluated. The as-synthesized amorphous purple solid, [Pt(CN)(2)(H(2)dcphen)]2H(2)O (1P), exhibited vapochromic behavior in the presence of alcoholic vapors through transformation to a red, crystalline, porous, vapor-adsorbed form, 1Rvapor. The obtained 1Rvapor complex released the adsorbed vapors upon heating without collapse of the porous structure. The vaporfree, porous 1Ropen could detect water or n-hexane vapor, although these vapors could not induce 1P-to-1Rvapor transformation, and 1Ropen could easily be converted to the initial 1P by manual grinding. These results indicate that 1 is a new shape-memory material that functions through formation and collapse of the porous framework with an emission change upon vapor-adsorption and grinding; this enables it to exhibit vapor history and ON-OFF switching sensing functions.
Rights: This is the peer reviewed version of the following article: Y. Shigeta, A. Kobayashi, T. Ohba, M. Yoshida, T. Matsumoto, H.-C. Chang, M. Kato, Chem. Eur. J. 2016, 22, 2682, which has been published in final form at doi:10.1002/chem.201503247. This article may be used for non-commercial purposes in accordance With Wiley-VCH Terms and Conditions for Self-archiving.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 加藤 昌子

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