[60]Fullerene metal complexes with large effective two-photon absorption cross-section
作者:Fangfang Jian、Jing Wang、Hailian Xiao、Pusu Zhao、Pingping Sun、Lihua Huang
DOI:10.1039/b926935e
日期:——
Fourteen novel complexes of fullerene C60 with metal dialkyldithiophosphate, [(RO)2PS2]2M}·2C60 (R = Me and Et; M = Mn, Fe, Co, Ni, Cu, Zn and Pd), can be obtained in high yield by the reaction of metal(II) dialkyldithiophosphate complexes with C60 fullerene. Their structures are determined by 1H, 13C, and 31P NMR spectroscopy, elemental analysis, FT-IR and UV-vis, and are supplied by single crystal X-ray data. The compound [(EtO)2PS2]2Pd}·2C60 was also studied by the HRTEM image and SAED patterns. Studies of the optical properties of the complexes of fullerene C60 with metal dialkyldithiophosphate show that these compounds all have very strong nonlinear optical absorption effects. The nonlinear absorption of fourteen complexes of fullerene C60 with metal dialkyldithiophosphate (in o-dichlorobenzene and in the solid state) was measured by the open-aperture Z-scan technique at a wavelength of 532 nm. DFT calculations are also used to discuss the stability of these complexes and to confirm the structural assignments.
富勒烯 C60 与金属二烷基二硫代磷酸盐的 14 种新型配合物 [(RO)2PS2]2M}·2C60(R = Me 和 Et;M = Mn、Fe、Co、Ni、Cu、Zn 和 Pd)可以在高反应速率下获得。通过二烷基二硫代磷酸金属(II)配合物与C60富勒烯的反应产生的产量。它们的结构通过 1H、13C 和 31P NMR 光谱、元素分析、FT-IR 和 UV-vis 确定,并由单晶 X 射线数据提供。通过HRTEM图像和SAED图谱对化合物[(EtO)2PS2]2Pd}·2C60进行了研究。对富勒烯C60与二烷基二硫代磷酸金属盐配合物光学性质的研究表明,这些化合物均具有很强的非线性光学吸收效应。通过开孔 Z 扫描技术在 532 nm 波长下测量了富勒烯 C60 与金属二烷基二硫代磷酸盐(在邻二氯苯中和固态)的 14 种络合物的非线性吸收。 DFT 计算还用于讨论这些配合物的稳定性并确认结构分配。