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Vapour-adsorption and chromic behaviours of luminescent coordination polymers composed of a Pt(II)-diimine metalloligand and alkaline-earth metal ions

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タイトル: Vapour-adsorption and chromic behaviours of luminescent coordination polymers composed of a Pt(II)-diimine metalloligand and alkaline-earth metal ions
著者: Hara, Hirofumi 著作を一覧する
Kobayashi, Atsushi 著作を一覧する
Noro, Shin-ichiro 著作を一覧する
Chang, Ho-Chol 著作を一覧する
Kato, Masako 著作を一覧する
発行日: 2011年 8月21日
出版者: Royal Society of Chemistry
誌名: Dalton Transactions
巻: 40
号: 31
開始ページ: 8012
終了ページ: 8018
出版社 DOI: 10.1039/c1dt10518c
抄録: Four new bimetallic coordination polymers (CPs), {M[Pt(CN)2(5,5'-dcbpy)]・4H2O}n(M = Mg^[2+], Ca^[2+], Sr^[2+], Ba^[2+]; 5,5'-H2dcbpy = 5,5'-dicarboxy-2,2'-bipyridine) were synthesized using four alkaline-earth metal ions and a Pt(II)-diimine metalloligand [Pt(CN)2(5,5'-H2dcbpy)]. All four CPs are isomorphous with the Zn complex, {Zn[Pt(CN)2(5,5'-dcbpy)]・4H2O}n, which exhibits effective metallophilic interactions between Pt(II) ions. These CPs exhibited colourful thermochromic behaviour and solid-state solvatochromic-like behaviours when suspended in various solvents. Thermogravimetric analysis and vapour-adsorption measurements revealed that the CPs can reversibly adsorb water and MeOH vapours. The emission energy of the triplet metal-metal-to-ligand charge-transfer (3MMLCT) state varied markedly upon guest adsorption/desorption. The chromic and vapour-adsorption properties of these CPs depend strongly on the cross-linking M^[2+] ions.
Rights: Dalton Trans., 2011, 40, 8012-8018 - Reproduced by permission of The Royal Society of Chemistry (RSC)
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/49248
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 小林 厚志

 

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