Conformation-dependent phosphorescence emission of individual mononuclear ruthenium-(ii)-bis-terpyridine complexes.

Conformation-dependent phosphorescence emission of individual mononuclear ruthenium-(ii)-bis-terpyridine complexes.
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单个单核钌-(ii)-双三联吡啶配合物的构象依赖性磷光发射

DOI:
10.1039/c8cp04580a
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发表时间:
2018
期刊:
Physical chemistry chemical physics : PCCP
影响因子:
--
通讯作者:
N. L. Doltsinis
N. L. Doltsinis
中科院分区:
--
文献类型:
--
作者:
T. Koch;C. Höppener;N. L. Doltsinis

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超分子过渡金属配位络合物形成稳定的、长寿命的辐射电荷转移态的潜力使得这类三重态发射体成为应用于光敏剂或光子器件的理想候选者。对掺入到PMMA薄膜中的单个Ru 2 +-双三联吡啶络合物的荧光增强磷光实验表明,磷光发射光谱可以表现出取决于局部环境的位移[J.F. Herrmann,P. S. Popp,A.温特,美国S. Schubert和C. Höpelton,ACS Photonics,2016,3,1897-1906]。在这里,我们证明了环境改变的光谱特性的个别双发光钌2 +-双三联吡啶复合物在PMMA和乙腈中可以重现基于DFT的振动分辨弗兰克-康登光谱,如果考虑到不同的分子构象的磷光发射。此外,我们证明了这些配合物的三重态发射发生从金属到配体的电荷转移(MLCT)状态。
The potential of supramolecular transition metal coordination complexes to form robust, long-living, radiative charge transfer states makes this class of triplet state emitters ideal candidates for application as photosensitizes or in photonic devices. Antenna-enhanced phosphorescence experiments on single Ru2+–bis-terpyridine complexes incorporated into a thin PMMA film show that phosphorescence emission spectra can exhibit shifts depending on the local environment [J. F. Herrmann, P. S. Popp, A. Winter, U. S. Schubert and C. Höppener, ACS Photonics, 2016, 3, 1897–1906]. Here, we demonstrate that the environmentally altered spectral properties of individual dual-luminescent Ru2+–bis-terpyridine complexes in PMMA and acetonitrile can be reproduced by DFT-based vibrationally resolved Franck–Condon spectra, if the phosphorescent emission of different molecular conformations is taken into account. Furthermore, we demonstrate that the triplet emission of these complexes occurs from a metal-to-ligand charge transfer (MLCT) state.
三联吡啶过渡金属配合物双发射的分子机制——光致动力学的超快研究。
DOI: --
发表时间: 2011
期刊: Physical Chemistry, Chemical Physics - PCCP
影响因子: --
作者:
Ronald Siebert;A. Winter;U. Schubert;B. Dietzek;J. Popp
通讯作者: J. Popp
DOI: 10.1063/1.1688752
发表时间: 2004-05-08
影响因子: 4.4
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Tawada, Y;Tsuneda, T;Hirao, K
通讯作者: Hirao, K
共轭双(三联吡啶)配体的光诱导动力学——光活性配位聚合物的案例研究。
DOI: --
发表时间: 2012
影响因子: 4.6
作者:
Ronald Siebert;A. Winter;M. Schmitt;J. Popp;U. Schubert;B. Dietzek
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