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A circularly polarized luminescent organogel based on a Pt(ii) complex possessing phenylisoxazoles†
Materials Chemistry Frontiers ( IF 7 ) Pub Date : 2018-01-15 00:00:00 , DOI: 10.1039/c7qm00564d
Toshiaki Ikeda 1, 2, 3, 4, 5 , Kyohei Hirano 1, 2, 3, 4, 5 , Takeharu Haino 1, 2, 3, 4, 5
Affiliation  

A Pt(II)phenylbipyridine complex 1, possessing phenylisoxazoles, long alkyl chains, and chiral alkyl chains, was synthesized. Complex 1 formed a stacked assembly in chloroform, self-assembled in a cooperative manner in methylcyclohexane (MCH), and gelled in higher alcohols and dodecane. In the nucleation regime, 1 assembled via a Pt–Pt interaction, which was demonstrated by the metal–metal-to-ligand charge transfer (MMLCT) emission band of the assembly. In the elongation regime, 1 displayed aggregation-induced emission enhancement (AIEE) character. The assembly of 1 formed in MCH was chiroptically non-active, suggesting that the assembly was non-helical. Complex 1 also exhibited strong AIEE and circularly polarized luminescence (CPL) with an anisotropic factor (glum) of 0.011 in 1-decanol gel, indicating that a chiral assembly was formed in the gel.

中文翻译:

基于具有苯异恶唑的Pt(ii)配合物的圆偏振发光有机凝胶

合成了具有苯基异恶唑,长烷基链和手性烷基链的Pt(II)苯基联吡啶配合物1。配合物1在氯仿中形成堆叠的组装体,在甲基环己烷(MCH)中以协同方式自组装,并在高级醇和十二烷中凝胶化。在成核状态下,1通过Pt-Pt相互作用组装,这通过装配体的金属-金属-配体电荷转移(MMLCT)发射带来证明。在伸长状态下,1显示出聚集诱导的发射增强(AIEE)特性。组装1在妇幼保健院形成的是脊椎不活动的,表明该程序集是非螺旋的。配合物1在1-癸醇凝胶中还表现出较强的AIEE和各向异性因子(g lum)为0.011的圆偏振发光(CPL),表明在凝胶中形成了手性组装体。
更新日期:2018-01-15
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