This one from everyone's favorite chemistry Nobel laureate is basically all photochemistry. If you like his stuff, you should check it...

This one's got a very cool copper catalyzed photoreaction in it:

Neeto - Merck using a Merck photoreactor. 'magine that.

Oh it's so bad, it's DBAD ! This one has two very different photoreactions. The first is a bit of a rarity: A cerium catalyzed...