You can look for journals in SCImago Journal & Country Rank (http://www.scimagojr.com/journalrank.php). It’s a free access portal developed by SCImago Research Group (Spain) that presents bibliometric information of the journals of Scopus database You can select the category in which you're interested, see the position of journals that belongs to the category into quartiles. Besides the scope of journal and its impact, there are other important indicators as percentage of international collaboration, cites, sjr, h-index, etc.

Also, you can download the journal list of Scopus that offers information about open access journals and filter your category at:

http://blog.scopus.com/posts/titles-indexed-in-scopus-check-before-you-publish