The Brazilian netted a vital goal in the semi-final against Barcelona, but was suspended for the momentous final victory against Bayern Munich on penalties.
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The 25-year-old admitted that expectations will be raised after that triumph, but says he will work hard to help bring more success to the west London outfit.
"I now have to keep playing well, expectations will be much higher from now on," he told Sportv.
"God willing, I want to win the Champions League again and win important awards. I'll keep working hard to achieve that."
The former Benfica man's efforts last season were rewarded as he received the club's Player of the Year award, as voted for by his team-mates.
And he expressed his delight at gaining the recognition, adding: "That made me very happy. It was hard to guess who would win it because it's the team-mates that vote.
"When I received the award, I came to the conclusion that this was really a blessed year for me."