Li Shujun, Zhao Yue, Knoll Sebastian, Liu Rongji, Li Gang, Peng Qingpo, Qiu Pengtao, He Danfeng, Streb Carsten, Chen Xuenian
School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, 453007, China.
Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany.
Angew Chem Int Ed Engl. 2021 Jul 26;60(31):16953-16957. doi: 10.1002/anie.202104886. Epub 2021 Jun 28.
The controlled bottom-up design of polymers with metal oxide backbones is a grand challenge in materials design, as it could give unique control over the resulting chemical properties. Herein, we report a 1D-organo-functionalized polyoxometalate polymer featuring a purely inorganic backbone. The polymer is self-assembled from two types of monomers, inorganic Wells-Dawson-type polyoxometalates, and aromatic organo-boronates. Their covalent linkage results in 1D polymer strands, which combine an inorganic oxide backbone (based on B-O and Nb-O linkages) with functional organic side-chains. The polymer shows high bulk proton conductivity of up to 1.59×10 S cm at 90 °C and 98 % relative humidity. This synthetic approach could lead to a new class of organic-inorganic polymers where function can be designed by controlled tuning of the monomer units.
具有金属氧化物主链的聚合物的可控自下而上设计是材料设计中的一项重大挑战，因为它可以对所得化学性质进行独特的控制。在此，我们报道了一种具有纯无机主链的一维有机功能化多金属氧酸盐聚合物。该聚合物由两种单体自组装而成，即无机的韦尔斯-道森型多金属氧酸盐和芳香有机硼酸盐。它们的共价连接产生一维聚合物链，其将无机氧化物主链（基于B-O和Nb-O连接）与功能性有机侧链相结合。该聚合物在90°C和98%相对湿度下显示出高达1.59×10 S cm的高体相质子传导率。这种合成方法可能会导致一类新型的有机-无机聚合物，其中功能可以通过对单体单元的可控调节来设计。
