Synthesis, Structural Characterization and Properties of Nonlinear Optical Materials

  • Lii, Kwang-Hwa (PI)

Project Details


The object of this research proposal is the synthesis of new nonlinear optical materials including titanium silicates and borates containing alkali, alkaline earth metals, and main group metal cations with stereochemically active lone pair electrons. The synthetic methods include supercritical hydrothermal synthesis at 500-600 °C and 1000-1500 bar and flux synthesis at high temperature. The characterization techniques include single-crystal and powder X-ray diffraction combined with spectroscopic methods and thermal analysis. In addition to the measurements of second harmonic generation on powder samples, we also grow large crystals with dimensions in centimeters using top seeded solution growth method in a suitable flux at high temperature. Detailed optical properties will be studied in cooperation with other research groups.
Effective start/end date1/08/1831/07/19

UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This project contributes towards the following SDG(s):

  • SDG 7 - Affordable and Clean Energy
  • SDG 17 - Partnerships for the Goals


  • nonlinear optical material
  • supercritical hydrothermal synthesis
  • flux synthesis
  • crystal structure
  • optical property


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