How to finish silanization process correctly?
Sol-gel preparation techniques have many variations. The contact time -beads to the solution - determines thickness of the sol-gel layer. Here you can try to shorten the dipping (coating) time. Glass is usually dried at 60°C for 30 mins and then "cured" at 500 - 550°C form 5 s up to 2 hours. I would suggest to find out an article and follow its preparation method.