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Effects of the reaction cavity on metastable optical excitation in ruthenium-sulfur dioxide complexes

机译:反应腔对钌-二氧化硫配合物亚稳态光激发的影响

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摘要

We report photoexcited-state crystal structures for two new members of the [Ru(SO_2)(NH_3)_4X]Y family: 1:X=H_2O, Y=(±)-camphorsulfonate_2; 2:X=isonicotinamide, Y=tosylate_2. The excited states are metastable at 100 K, with a photoconversion fraction of 11.1(7)% achieved in 1, and 22.1(10)% and 26.9(10)% at the two distinct sites in 2. We further show using solid-state density-functional-theory calculations that the excited-state geometries achieved are strongly influenced by the local crystal environment. This result is relevant to attempts to rationally design related photoexcitation systems for optical data-storage applications.
机译:我们报告了[Ru(SO_2)(NH_3)_4X] Y家族的两个新成员的光激发态晶体结构:1:X = H_2O,Y =(±)-樟脑磺酸盐_2; 2:X =异烟酰胺,Y =甲苯磺酸酯_2。激发态在100 K下是亚稳态的,在1中实现了11.1(7)%的光转换分数,在2中的两个不同位置处实现了22.1(10)%和26.9(10)%的光转换率。我们进一步展示了使用固态所获得的激发态几何形状的密度泛函理论计算受到本地晶体环境的强烈影响。该结果与为光学数据存储应用合理设计相关的光激发系统的尝试有关。

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  • 来源
    《Physical review》 |2010年第15期|p.155118.1-155118.6|共6页
  • 作者单位

    Department of Physics, Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 OHE, United Kingdom;

    Department of Physics, Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 OHE, United Kingdom,Department of Chemistry, University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick, Canada E3B5A3,Department of Physics, University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick, Canada E3B5A3;

    Department of Physics, Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 OHE, United Kingdom;

    Department of Physics, Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 OHE, United Kingdom;

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  • 正文语种 eng
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  • 关键词

    holographic recording materials; optical storage media,inorganic compounds,processes caused by visible and UV light;

    机译:全息记录材料;光学存储介质;无机化合物;可见光和紫外线引起的过程;

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