Journal of Inorganic Materials

• Research Paper • Previous Articles     Next Articles

Influence of Transition-Metal Cr Doping on Optical Properties of Rutile Single Crystal

LU Tie-Cheng1,3; LIU Yan-Zhang1; LIN Li-Bin1, ZU Xiao-Tao1; ZHU Ju-Mu2; WU Li-Ping1   

  1. 1. Dept. of Phys. Key Lab for Radiation Physics and Technology of Ministry of Education; Sichuan University) Chengdu 610064; China; 2. Department of Materials Science; Sichuan University, Chengdu 610064, China; 3. International Center for Materials Physics, Chinese Academy of Sciences, Shengyang 110015, China
  • Received:2000-06-13 Revised:2000-07-10 Published:2001-03-20 Online:2001-03-20

Abstract: The visible-light absorption of rutile was raised through doping Cr ion into the surface of rutile crystal with high-temperature-diffusion-doping-sensitization technique. TiO2:Cr
specimen was analyzed by means of UV-VIS, XFA, XRD, XPS and LRS, respectively. As a result, it is shown that after Cr ion is doped
into the surface of the crystal, Cr ion exists in the solid-melting-state Cr2TiO5, which induces the original absorption edge(410nm)
move to 750nm, and achieves match with solar spectrum and raises optical absorption to visible-light effectively.

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