| abstract |
The present invention prepares a solution of one or more compounds having the formula X m -M-(OR) nm , adds dopants to the solution, hydrolyzes the compound to form a sol, if possible adds an oxide, , A sol-gel method of gelling the sol, recycling the liquid, adjusting the pH value of the liquid to fix the dopant in the aquagel, and drying and densifying the gel to form a glass.n n n n Sol-Gel Method, Recirculation, Aerogel, Aquagel, Vitrification |