Only if you didn't perform well at the interview, they might be impressed by your "kindness", otherwise they will call you straightaway to make an offer.

FWIW, as I know you sent the email... I interviewed for 2 different jobs with 7 different people, and sent handwritten thank you notes immediately following the interviews making reference to our conversations. I got offers from both (and not right away).

I don't know that it actually made any difference, but apparently it didn't hurt!

I have sent emails as well, especially when I didn't care as much or want the job as badly as the two above.

Good luck!