He added: "I look forward to working with all these great players, all of whom are among the best on the planet".
Along with continuing PSG's dominance in France - Emery departs as a domestic treble victor - Tuchel will be under pressure to deliver Champions League success as one of the most highly touted coaching talents in Europe.
His words were echoed by departing PSG manager Emery, who said that Neymar had become exhausted with constant speculation about his future, but did not expect him to leave.
However, an unfortunate injury cut short Neymar's season and he was left sidelined as Real Madrid beat PSG in the Champions League. PSG has enormous potential and it is by so far the most exciting proposition in football.
On Sunday, the central defender was speaking to Canal Football after being crowned champions of France and Marquinhos backed what president Nasser Al Khelaifi said, " I have the feeling that Neymar will stay.
Tuchel was a free agent after leaving Borussia Dortmund a year ago, despite leading the team to victory in last season's German Cup.
Priyanka Chopra's Fans Want Her to Play Ms Marvel, A Pakistani Superhero
Marvel will get her own solo movie as part of phase four or if she will be limited to special appearances. Marvel's film future so soon is a surprise, the fact that the studio was considering her is not.
"His competitive spirit, his preference for attacking football and his strong character are in line with what we have always wanted for Paris Saint-Germain".
The German will be tasked with delivering success to PSG on the European stage, with the club failing to deliver in the Champions League since Qatar Sports Investments took ownership of the French giants in 2011.
He did an admirable job in charge of Mainz, before succeeding Jurgen Klopp at Dortmund in 2015.
Tuchel was on the shortlist of many top clubs seeking new managers this summer, including Bayern Munich.
Neymar, who joined in PSG's Ligue 1 title celebrations on Saturday night, refused to discuss his future after collecting his award."We talk about these things every time the transfer window comes around".