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首页> 外文期刊>Journal of the American Chemical Society >Iodine Release and Recovery, Influence of Polyiodide Anions on Electrical Conductivity and Nonlinear Optical Activity in an Interdigitated and Interpenetrated Bipillared-Bilayer Metal-Organic Framework
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Iodine Release and Recovery, Influence of Polyiodide Anions on Electrical Conductivity and Nonlinear Optical Activity in an Interdigitated and Interpenetrated Bipillared-Bilayer Metal-Organic Framework

机译：碘释放和回收，聚碘阴离子对相互交叉和互穿的双电层双层金属有机框架中的电导率和非线性光学活性的影响

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摘要

{[Cu_6(pybz)_8(OH)_2]-I_2~-I_7~}H (1), obtained hydrother-mally by using iodine molecules as a versatile precursor template, consists of a cationic framework with two types of zigzag channels, which segregate I_s~ and I_1~ anions. The framework exhibits the first observed bipillared-bilayer structure featuring both interdigitation and interpenetration. 1 displays high framework stability in both acidic (HC1) and alkaline (NaOH) solutions. 1 slowly releases iodine in dry methanol to give [Cu_6(pybz)_8(OH)_2](r)_2·3.5CH3OH (1') and partially recovers iodine from cyclohexane to form [Cu_6(pybz)_8(OH)_2](I~)_2·xI_2 (1")· Differences of up to 100 times in electrical conductivity and of 4 times in nonlinear optical activity (NLO) have been measured between 1 and 1'. This compound is one of few displaying multifunctionality, electrical conductivity, NLO, and crystal-crystal stability upon release and recovery of iodine. It is also unique in the iodine release from polyiodide anions in a metal-organic framework.
机译：{[Cu_6（pybz）_8（OH）_2] -I_2〜-I_7〜} H（1）是通过使用碘分子作为通用前体模板以水热方式获得的，它由带有两种锯齿形通道的阳离子骨架组成，分离出I_s〜和I_1〜阴离子。该框架展示了第一个观察到的双柱状双层结构，具有互指和互穿特征。图1在酸性（HCl）和碱性（NaOH）溶液中均显示出高骨架稳定性。 1在无水甲醇中缓慢释放碘，得到[Cu_6（pybz）_8（OH）_2]（r）_2·3.5CH3OH（1'），并从环己烷中部分回收碘，形成[Cu_6（pybz）_8（OH）_2] （I〜）_2·xI_2（1“）·在1和1'之间测得的电导率差异高达100倍，非线性光学活性（NLO）差异达4倍。该化合物是少数显示多功能性的化合物之一，碘的释放和回收时的电导率，NLO和晶体稳定性，这在金属-有机骨架中从聚碘阴离子中释放碘方面也很独特。

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  • 来源
    《Journal of the American Chemical Society》 |2012年第10期|p.4857-4863|共7页
  • 作者

    Zheng Yin; Qiang-Xin Wang; Ming-Hua Zeng;

  • 作者单位

    Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education), School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin 541004, People's Republic of China;

    Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education), School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin 541004, People's Republic of China;

    Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education), School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin 541004, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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