Department of Chemistry & Biochemistry, The Ohio State University , Columbus, Ohio 43210, United States.
J Am Chem Soc. 2016 Aug 17;138(32):10120-3. doi: 10.1021/jacs.6b06546. Epub 2016 Aug 8.
Finding new ways to construct crystalline multiple-component covalent organic frameworks (COFs) has become an important focus. Herein we report the synthesis of three novel COFs containing a homogeneous and heterogeneous distribution of π-conjugated dehydrobenzoannulene (DBA) vertex units. The COFs were synthesized by reacting different ratios of C3-symmetric DBA catechol monomers with C2-symmetric pyrene-2,7-diboronic acid (PDBA) to yield three COFs, Py-DBA-COF 1, Py-DBA-COF 2, and Py-MV-DBA-COF. All three materials are highly crystalline and display unique luminescent properties in the solid state.
寻找构建结晶多组分共价有机骨架（COFs）的新方法已成为一个重要的焦点。在此，我们报道了三种含有均匀和不均匀分布的π共轭去氢苯并环庚烯（DBA）顶点单元的新型 COFs 的合成。通过反应不同比例的 C3 对称 DBA 邻苯二酚单体与 C2 对称的芘-2,7-二硼酸（PDBA），得到三种 COFs，Py-DBA-COF1、Py-DBA-COF2 和 Py-MV-DBA-COF。这三种材料都具有高度的结晶性，并在固态下显示出独特的发光性质。
