化学
乙腈
三吡啶
荧光
猝灭(荧光)
金属
二氯甲烷
光谱学
堆积
荧光光谱法
量子产额
时间分辨光谱学
纳秒
产量(工程)
光化学
溶剂
有机化学
物理
冶金
材料科学
激光器
光学
量子力学
作者
Peng Xu,Xi Qin,Huiyuan Duan,Huafeng Chen,Lei Zhai,Yanjie Qin,Xin Liu,Yulan Zuo,Shuchen Pei,Xin Lian,Huan Yi,Xiaodong Su,Jinling Zhang
标识
DOI:10.1080/00958972.2022.2137410
摘要
A new thiophenic alkynylplatinum(II) terpyridyl complex [tBuArC≡CPt(tpy)]PF6 (tpy = 2,2′:6′,2″-terpyridine; Ar = [(MeC4H2S)(C≡C)]2C6H2) has been synthesized in five steps in 45% total yield. The photophysical properties were studied by steady-state spectroscopy and transient spectroscopy and obvious metal-metal interactions and π-π stacking were found in a series of solvents. Concentration dependent emission data show that the complex exhibited aggregation-induced fluorescence enhancement at low concentrations while aggregation-induced fluorescence quenching at high concentrations. The complex displayed biexponential decays with lifetimes in the range of nanoseconds in dilute dichloromethane and acetonitrile solutions.
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