case of iodide–π charge transfer combined with electrostatically controlled packing effects, high quantum yields (Φem up to 0.75) and fast radiative rate constants (kr of up to 2.77×105 s−1) of phosphorescence have been realized at room temperature, which are exceptionally rare for metal-free systems.
结晶
碘化二
磷盐的光致发光机制强烈依赖于阴离子-π相互作用。在
碘化物-π电荷转移与静电控制堆积效应相结合的情况下,实现了
磷光的高量子产率(Φ em高达0.75)和快速辐射速率常数(k r高达2.77×10 5 s -1 )在室温下,这对于无
金属系统来说是极其罕见的。