A Novel Ratiometric Oxygen Sensor Based On a Sextuple Hydrogen-Bonding Self-Assembly Molecular Heterodimer
作者:Hui Zeng、Cheng Zhang、Yan Huang、Zhiyun Lu
DOI:10.1002/cjoc.201600257
日期:2016.9
sextuple hydrogen‐bonding (HB) self‐assembly molecular heterodimer bearing an iridium complex as the indicator dye and two carbazoles as the reference dye, namely 6HB‐Irbt‐Cz, was synthesized, and its molecular structure was confirmed by 1H NMR, 13CNMR, TOF‐MS and 2D NMR. Because of the inefficient energy transfer process between the carbazole and iridium complex units, 6HB‐Irbt‐Cz exhibits distinct
合成了以铱配合物为指示剂和两种咔唑为参照染料的新型六元氢键结合分子异二聚体,即6HB-Irbt-Cz,并通过1 H NMR证实了其分子结构。,13 CNMR,TOF-MS和2D NMR。由于咔唑和铱配合物之间的能量转移过程效率低下,因此6HB-Irbt-Cz在纯膜状态下表现出明显的荧光/磷光双发射。更重要的是,6HB-Irbt-Cz的纯净膜样品可以在0至100 vol%的全氧浓度范围内显示对氧气的线性比例光学响应,以及良好的稳定性,可逆性和快速的响应恢复时间。请注意,这代表了首次发现基于纯膜的氧气传感器,该传感器能够在0–100 vol%的氧气浓度下显示严格的线性比率式Stern-Volmer行为。