Citation: Qiang Li, Min Gu. Preparation of TeO_x-SiO₂ film with excellent third-order nonlinear optical properties by electrochemically induced sol-gel method[J]. Chinese Chemical Letters, ;2011, 22(11): 1359-1362. doi: 10.1016/j.cclet.2011.07.003 shu

Preparation of TeO_x-SiO₂ film with excellent third-order nonlinear optical properties by electrochemically induced sol-gel method

Qiang Li ,
Min Gu

State and Local Joint Engineering Laboratory of Methane Drainage in Complex Coal Gas Seam, Key Lab for the Exploitation of Southwestern Resources and the Environmental Disaster Control Engineering of Education Ministry, College of Resources and Environmental Science, Chongqing University, Chongqing 400044, China

Received Date: 1 April 2011

Fund Project: This work was supported by Academic Program of Natural Science Foundation Project of CQ CSTC (no.2008BC4003) and the Foundation of State Key Laboratory of Physical Chemistry of Solid Surfaces of Xiamen University (no.2007).

TeO_x-SiO₂ composite films having third-order nonlinearities were prepared by electrochemically induced sol-gel deposition method on ITO substrate. The third-order optical nonlinearities of the films were measured by Z-scan technique. The third-order nonlinear susceptibilities (χ⁽³⁾) of the as-prepared films are 5.9×10^-7 to 4.29×10^-6 esu. The surface morphology and composition of the films were characterized by SEM/EDX, which identified that Te metallic particles well dispersed in TeO_x-SiO₂ gel films.
- TeO_x-SiO₂ composite,
- Electrochemically induced sol-gel method,
- Third-order nonlinearities,
- Z-scan
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