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首页> 外文期刊>Crystal growth & design >A Rare L1D + R1D → 3D Luminescent Dense Polymer as Multifunctional Sensor to Nitro Aromatic Compounds, Cu~(2+), and Bases
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A Rare L1D + R1D → 3D Luminescent Dense Polymer as Multifunctional Sensor to Nitro Aromatic Compounds, Cu~(2+), and Bases

机译：稀有的L1D + R1D→3D发光致密聚合物作为硝基芳族化合物，Cu〜（2+）和碱的多功能传感器

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摘要

A rarely reported L1D (left-handed helical 1D chain) + R1D (right-handed helical 1D chain) → 3D polycatenated network, [Cd(H_2ttac)bpp]n (1), constructed from the vertical interpenetration of triple-stranded homochiral helices, has been synthesized under hydrothermal condition by H_4ttac (1,1′,2′,1″-terphenyl-4,4′,4″,5′-tetracarboxylic acid), 1,3-bis(4-pyridyl)propane (bpp), and Cd(NO_3)_2·4H_2O. The luminescent properties of 1 and the ones immersed in various kinds of organic compounds and nitrate@DMF solutions have been investigated. Importantly, 1 shows highly sensitive response to nitro aromatic compounds and Cu~(2+) through luminescence quenching effects, making it a promising luminescent sensor for nitro aromatic compounds and Cu~(2+). Besides, experiments upon deprotonation by NaOH, KOH, methylamine, and triethylamine are conducted, respectively. As base increases, the luminescence spectra exhibit gradual blue shifts. The mechanisms of the sensing properties have been studied in detail.
机译：很少报道的L1D（左旋螺旋1D链）+ R1D（右旋螺旋1D链）→3D多链网络[Cd（H_2ttac）bpp] n（1），由三链同手性螺旋的垂直互穿构成在水热条件下由H_4ttac（1,1'，2'，1''-三联-4,4'，4''，5'-四羧酸），1,3-双（4-吡啶基）丙烷（ bpp）和Cd（NO_3）_2·4H_2O。研究了1和浸入各种有机化合物和硝酸盐@DMF溶液中的1的发光特性。重要的是，1通过发光猝灭效应显示出对硝基芳族化合物和Cu〜（2+）的高度敏感响应，使其成为硝基芳族化合物和Cu〜（2+）的有前途的发光传感器。此外，分别进行了用NaOH，KOH，甲胺和三乙胺进行质子化的实验。随着碱的增加，发光光谱显示出逐渐的蓝移。已经详细研究了感测特性的机制。

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