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Influence of chemical environment on the optical properties in transition metal ions doped materials
1Institute of Optical Communication Materials, College of Materials, Science and Engineering, South China University of Technology, Guangzhou, 510640, PR China. sufangning2003@etang.com
Abstract:
The sensibility of luminescent properties in transition metal doped materials to the matrices' chemical environment is explained in this paper, this is because of their strong phonon-electron coupling which are caused by the 3d electrons exposed nature. The influence of the chemical environments on the Mn2+-doped materials' optical properties, including the structure type of coordinate polyhedron, the polyhedral bridge linking manner and the lattice parameter, was illustrated in detail in this work. The impact of crystal field strength parameter (10 Dq) on the maximum energy differentiae in spontaneous emission band of Cr3+:4T(2g)-->4A(2g) and in excited state absorption band 4T(2g)-->4T(1g) (4F), and covalent bond intension's impact on the optical properties of Os4+ were also analyzed. This work's purpose is to discover the principle of the sensibility character, then we can use it to optimal the design of materials in order to find the excellent luminescent materials for practical utilization.
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