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机译:
Nanjing Tech Univ, Key Lab Flexible Elect KLOFE, Inst Adv Mat, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing 211816, Jiangsu, Peoples R China;
anticounterfeiting; energy transfer; erbium sensitization; nanocrystals; photon upconversion;