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Conjugated-Polypyridine-Derivative-Derived Semiconductive Iodoplumbates with Tunable Architectures and Efficient Visible-Light-Induced Photocatalytic Property
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2021-01-28 , DOI: 10.1021/acs.inorgchem.0c03665 Chen Li 1 , Kui Wang 1 , Xin-Yu Li 1 , Xiao-Fan Jiang 1 , Qi Wei 1 , Jin-Hua Li 1 , Guo-Ming Wang 1
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2021-01-28 , DOI: 10.1021/acs.inorgchem.0c03665 Chen Li 1 , Kui Wang 1 , Xin-Yu Li 1 , Xiao-Fan Jiang 1 , Qi Wei 1 , Jin-Hua Li 1 , Guo-Ming Wang 1
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By mediation of the pH values, three novel inorganic–organic iodoplumbate hybrids, [Me3TPT][Pb3I9] [1; Me3TPT = trimethyl-2,4,6-tris(4-pyridyl)-1,3,5-triazine], [Me3TPT]2[Pb9I24] (2), and [Me3TPT]2[Pb19I44] (3), have been achieved under solvothermal conditions. The large conjugated in situ N-alkylation polypyridine derivatives act as structure-directing agents and electron acceptors, making the materials feature adjustable structural variations with 0D, 1D, and 2D structures and a potential semiconductive performance with narrow energy gaps (1.72, 1.80, and 1.78 eV for 1–3, respectively), which result in their efficient photocatalytic activity under visible-light irradiation. Theoretical calculation reveals that the conjugated organic moieties greatly contribute to the conduction band, leading to narrow band gaps. It is expected that the work will contribute to the exploitation of novel semiconducting halometallates by employing conjugated organic species as structure-directing agents.
中文翻译：
具有可调结构和高效可见光诱导的光催化性能的共轭多聚吡啶衍生物半导电碘代铅酸盐
通过pH值的介导，三种新型的无机-有机碘铅杂化物[Me 3 TPT] [Pb 3 I 9 ] [ 1 ; Me 3 TPT =三甲基-2,4,6-三（4-吡啶基）-1,3,5-三嗪]，[Me 3 TPT] 2 [Pb 9 I 24 ]（2）和[Me 3 TPT] 2 [Pb 19 I 44 ]（3），已在溶剂热条件下实现。大型共轭原位N-烷基化聚吡啶衍生物充当结构导向剂和电子受体，使该材料具有0D，1D和2D结构可调节的结构变化以及具有窄能隙（1.72、1.80和1 – 3分别为1.78 eV ），这导致它们在可见光照射下具有有效的光催化活性。理论计算表明，共轭有机部分极大地促进了导带，导致了窄的带隙。预期该工作将通过使用共轭有机物作为结构导向剂来促进新型半导体卤代金属盐的开发。
更新日期：2021-02-15
中文翻译：
具有可调结构和高效可见光诱导的光催化性能的共轭多聚吡啶衍生物半导电碘代铅酸盐
通过pH值的介导，三种新型的无机-有机碘铅杂化物[Me 3 TPT] [Pb 3 I 9 ] [ 1 ; Me 3 TPT =三甲基-2,4,6-三（4-吡啶基）-1,3,5-三嗪]，[Me 3 TPT] 2 [Pb 9 I 24 ]（2）和[Me 3 TPT] 2 [Pb 19 I 44 ]（3），已在溶剂热条件下实现。大型共轭原位N-烷基化聚吡啶衍生物充当结构导向剂和电子受体，使该材料具有0D，1D和2D结构可调节的结构变化以及具有窄能隙（1.72、1.80和1 – 3分别为1.78 eV ），这导致它们在可见光照射下具有有效的光催化活性。理论计算表明，共轭有机部分极大地促进了导带，导致了窄的带隙。预期该工作将通过使用共轭有机物作为结构导向剂来促进新型半导体卤代金属盐的开发。
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