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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Organic-inorganic hybrid 1-D double chain heteropolymolybdates constructed from plenary Keggin germanomolybdate anions and hepta-nuclear Cu-RE-pic heterometallic clusters
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Organic-inorganic hybrid 1-D double chain heteropolymolybdates constructed from plenary Keggin germanomolybdate anions and hepta-nuclear Cu-RE-pic heterometallic clusters

机译：有机 - 无机杂交1-D双链杂多元族杂种物，由全体keggin锗钼酸裂解细胞和渗核Cu-re-PIC杂项簇构成

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摘要

Two unprecedented organic-inorganic hybrid 1-D double chain germanomolybdates containing hepta-nuclear Cu-RE-pic heterometallic clusters [NH4](2)[RE(H2O)(5)](2)[Cu(pic)(2)](2)[Cu(pic)(2)(H2O)(2)](3)[alpha-GeMo12O40](2)center dot 22H(2)O [RE = La3+ (1), Ce3+ (2), and Hpic = 2-picolinic acid] were successfully obtained by the stepwise self-assembly strategy via the conventional solution method. The most striking structural feature of 1 and 2 is that the two plenary Keggin [alpha-GeMo12O40](4-) polyoxoanions are joined by an organic-inorganic hybrid hepta-nuclear Cu-RE-pic {[RE(H2O)(5)](2)[Cu(pic)(2)(H2O)(2)](3)[Cu(pic)(2)](2)}(6+) heterometallic moiety. What is more interesting is that their adjacent structural units are connected together by {Cu(pic)(2)} bridges, forming a 1-D extended double chain architecture. Furthermore, the adsorption capacity of 1 toward dyes in aqueous solutions was deeply investigated. It is fascinating that 1 shows a good adsorption capacity toward basic violet 3 (BV 3) in aqueous solutions and the adsorption kinetics conforms to the second-order kinetic model.
机译：两个前所未有的有机 - 无机杂交1-D含有渗核Cu-Re-PIC杂种簇的双链锗钼酸盐[NH4]（2）[Re（H 2 O）（5）]（2）[Cu（PIC）（2）]] （2）[Cu（PIC）（2）（2）（H 2 O）（2）]（3）α中心点22h（2）O [RE = LA3 +（1），CE3 +（2），和通过常规溶液方法成功地通过逐步的溶液方法成功获得HPIC = 2-吡啶酸。 1和2的最醒目的结构特征是，通过有机 - 无机杂交庚氏核Cu-re-re-pic {[Re（H2O）（5）连接两个全体kegginα（4-）聚氧代。[Re（5） ]（2）[Cu（PIC）（2）（2）（H 2 O）（2）]（3）[Cu（PIC）（2）]（2）}（2）}（6 +）差异金属部分。更有趣的是，他们的相邻的结构单元由连接到一起的Cu {（PIC）（2）}桥梁，形成1-d扩展双链结构。此外，深化了水溶液中1朝向染料的吸附能力。它令人着迷的是，1显示出良好的吸附能力在水溶液中的碱性紫3（BV 3），吸附动力学符合二阶​​动力学模型。

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    Hu Huifen; Pang Jingjing; Jiang Jun; Chen Lijuan; Zhao Junwei;

  • 作者单位

    Henan Univ Coll Chem &

    Chem Engn Henan Key Lab Polyoxometalate Chem Kaifeng 475004 Henan Peoples R China;

    Henan Univ Coll Chem &

    Chem Engn Henan Key Lab Polyoxometalate Chem Kaifeng 475004 Henan Peoples R China;

    Henan Univ Coll Chem &

    Chem Engn Henan Key Lab Polyoxometalate Chem Kaifeng 475004 Henan Peoples R China;

    Henan Univ Coll Chem &

    Chem Engn Henan Key Lab Polyoxometalate Chem Kaifeng 475004 Henan Peoples R China;

    Henan Univ Coll Chem &

    Chem Engn Henan Key Lab Polyoxometalate Chem Kaifeng 475004 Henan Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;无机化学;
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