Synthesis and Electronic Structure of Boron-Graphdiyne with an sp-Hybridized Carbon Skeleton and Its Application in Sodium Storage
作者:Ning Wang、Xiaodong Li、Zeyi Tu、Fuhua Zhao、Jianjiang He、Zhaoyong Guan、Changshui Huang、Yuanping Yi、Yuliang Li
DOI:10.1002/anie.201800453
日期:2018.4.3
electron‐deficient boron centers generates affinity to metal atoms, and thus provides extra binding sites. Furthermore, the expanded molecule pores of the BGDY molecular plane can also facilitate the transfer of metal ions in the perpendicular direction. The practical effect of the all sp‐carbon structure and boron heteroatoms on the properties of BGDY are demonstrated in its performance as the anode in sodium‐ion
硼石墨二炔(BGDY)具有独特的π共轭结构,其中包括一个杂化的碳骨架和一个组织良好的2D分子平面中均匀分布的硼杂原子,它是通过自下而上的合成策略制备的。观察到优异的导电性,相对低的带隙和平面BGDY的堆积模式。值得注意的是,所有sp-碳骨架和缺电子的硼中心的异常键合环境都会对金属原子产生亲和力,从而提供额外的结合位点。此外,BGDY分子平面的膨胀的分子孔还可以促进金属离子在垂直方向上的转移。所有sp-碳结构和硼杂原子对BGDY性能的实际影响在其作为钠离子电池阳极的性能中得到了证明。