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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Adsorption of Dipyrrin-Based Dye Complexes on a Rutile TiO2(110) Surface
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Adsorption of Dipyrrin-Based Dye Complexes on a Rutile TiO2(110) Surface

机译:金红石型TiO2(110)表面对联吡啶类染料配合物的吸附

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摘要

The adsorption of two ruthenium-based dye complexes containing dipyrrin-based ligands has been studied on the rutile TiO2(110) surface using synchrotron-based electron spectroscopy. The dye complexes studied were bis(5-(4-carboxyphenyl)-4,6-dipyrrin)bis (dimethyl sulfoxide) ruthenium (II) and bis(5-(4-carboxyphenyl)-4,6-dipyrrin)-(2,2'-bipyridine)ruthenium(II). The dye molecules were deposited using in situ electrospray deposition, which allows for the deposition of thermally fragile molecules in ultrahigh vacuum. Photoemission studies were used to provide experimental data on the bonding geometry of the dye complexes to the rutile TiO2(110) substrate and to provide data on molecular orbitals involved in the charge transfer process. DFT calculations of the molecules adsorbed onto the rutile TiO2(110) surface have also been performed to identify the most energetically favorable bonding geometry.
机译:已使用同步加速器电子光谱研究了金红石型TiO2(110)表面上两种含二吡啶基配体的钌基染料配合物的吸附。所研究的染料配合物是双(5-(4-羧基苯基)-4,6-联吡啶)双(二甲基亚砜)钌(II)和双(5-(4-羧苯基)-4,6-联吡啶)-(2 ,2′-联吡啶)钌(II)。染料分子是使用原位电喷雾沉积法沉积的,从而可以在超高真空下沉积热脆性分子。光发射研究用于提供有关染料配合物与金红石TiO2(110)基底的键合几何形状的实验数据,并提供有关电荷转移过程中涉及的分子轨道的数据。还已经进行了吸附到金红石型TiO2(110)表面的分子的DFT计算,以确定在能量上最有利的键合几何形状。

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