Sol-Gel Synthesis of Potassium Titanyl Phosphate: Solution Chemistry and Gelation

Christophe J. Barbé, Mark A. Harmer, George W. Scherer

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

The solution chemistry and aggregation mechanisms involved in sol-gel synthesis of potassium titanyl phosphate (KTP) are studied in detail. The chemistry of the metal precursors are shown to be critical for the formation of the desired KTP phase. The precursor solution as well as some preparation intermediates were studied by several spectroscopic methods to determine the structure of the organometallic species present in these solutions. The structural evolution taking place in the solution after hydrolysis was studied using photon correlation spectroscopy and small angle X-ray scattering techniques. The influence on the gelation of several preparation parameters such as, the precursors chemistry, the mixing order of the metal alkoxides, the solvent/KTP ratio and the water/KTP molar ratio was also examined.

Original languageEnglish (US)
Pages (from-to)183-199
Number of pages17
JournalJournal of Sol-Gel Science and Technology
Volume9
Issue number2
DOIs
StatePublished - Jan 1 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Biomaterials
  • Condensed Matter Physics
  • Materials Chemistry

Keywords

  • KTP
  • Mixed metal oxide
  • Nonlinear optics
  • Sol-gel
  • Solution chemistry

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