Carmona was one of the players who scored for Sevilla, and he was thrilled with the outcome.
In his post-match comments, he said the win would be a memory he would treasure forever.
"Beating Barcelona at home in such a convincing manner will always be remembered as a special moment," he said.
Carmona noted that it had been ten years since Sevilla last beat Barcelona, and he felt the fans deserved the victory.
"They've supported us through the good times and the bad," he said.
When asked about his goal, Carmona joked that he made a mistake, but it ended up being a fortunate one.
"I didn't see the pass to my teammate, Akor, and I decided to just shoot and let fate decide," he said.
"It ended up going in, and I'm happy for the team and the win."