The room-temperature phosphorescence chromophore, Pt(II) coproporphyrin I (PtCP), was fixed on the surface of a 3D-network of nanoscale pores of porous glass through ion-exchange reaction. The absorption and phosphorescence spectra indicated that PtCP can be loaded while maintaining monomeric dispersion at concentrations well beyond solubility limits of PtCP in solution. The phosphorescence quantum yield of PtCP fixed on the surface was also found to have double the enhancement of solution. The extended lifetime of phosphorescence of PtCP bonded on the surface compared to that in solution clearly indicated that suppression of nonradiative deactivation plays a key role in high quantum yield and long triplet lifetime. This hybridization with nano-porous glass provides opportunities for various potential applications.

中文翻译：

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固定在纳米多孔玻璃表面上的Pt-卟啉衍生物的增强的磷光性能†

室温磷光发色团Pt（II通过离子交换反应将卟啉I（PtCP）固定在多孔玻璃纳米孔的3D网络表面上。吸收光谱和磷光光谱表明，可以负载PtCP，同时保持单体分散液的浓度远远超过溶液中PtCP的溶解度极限。还发现固定在表面上的PtCP的磷光量子产率是溶液增强作用的两倍。与溶液中键合的PtCP相比，其延长的磷光寿命延长了，这清楚地表明，抑制非辐射失活在高量子产率和长三重态寿命中起着关键作用。与纳米多孔玻璃的这种杂交为各种潜在的应用提供了机会。