Brand filed for divorce last year after 14 months of marriage to the 27-year-old.
"I feel I have a lot to say on the next record. I have a lot to flush out of the system. I am not saying that I am not going to be the candy queen any more, but I think it's time for more meat and potatoes," femalefirst.co.uk quoted Perry as saying.
"With 'Teenage Dream', I created this cotton candy cloud with a kind of a wink and a kiss, and it was all cute and fun and playful. Now it's as if I have had to step off this cloud and face reality," she added.
Her struggle to keep her marriage alive can be seen in her concert movie "Katy Perry: Part Of Me".
"I made that sacrifice because I had made a commitment. Sometimes I had to fly in on the day of the show, completely jet-lagged and feeling like I had been hung by my ankles, and have to go on stage," she said.
