I guess that the water should be dropped on the hydrophobic area if
you want to perform selfalignment by capillary force.

>Thank you so much, guys. Sorry, I asked the wrong question.
>
> This is what I'm doing: I prepared two samples with complementary gold
> patterns on top. Then self-assembly monolayers were
> formed on the gold patterns to make certain regions hydrophilic and the
> other regions hydrophobic. After water is dropped on the
> hydrophilic regions, one sample is placed on top of the other one. We kind
> of hope self alignment can happen due to the capillary force of water. But
> it didn't. So we are looking for some other liquid can do this better than
>