O‐Doped Nanographenes: A Pyrano/Pyrylium Route Towards Semiconducting Cationic Mixed‐Valence Complexes
作者:Luka Ðorđević、Cataldo Valentini、Nicola Demitri、Cécile Mézière、Magali Allain、Marc Sallé、Andrea Folli、Damien Murphy、Samuel Mañas‐Valero、Eugenio Coronado、Davide Bonifazi
DOI:10.1002/anie.201914025
日期:2020.3.2
O-doped nanographenes derived from the π-extension of pyrene. The derivatives are highly fluorescent and feature low oxidation potentials. Using electrooxidation, crystals of cationic mixed-valence (MV) complexes were grown in which the organic salts organize into face-to-face π-stacks, a favorable solid-state arrangement for organic electronics. Variable-temperature electron paramagnetic resonance (EPR)
在本文中,我们报道了一种有效的合成方法,以制备由π延伸的of衍生的O掺杂的纳米石墨烯。所述衍生物具有高荧光性并且具有低氧化电位。使用电氧化,可以生长阳离子混合价(MV)配合物的晶体,其中有机盐组织成面对面的π堆栈,这是有机电子产品的良好固态排列。可变温度电子顺磁共振(EPR)的测量和弛豫研究表明,沿柱状π堆叠结构的纵轴有很强的电子离域作用。MV盐单晶的电学测量显示出半导体行为,在室温下具有极高的电导率。