Frontispiz: Intrinsic Time-Tunable Emissions in Core–Shell Upconverting Nanoparticle Systems

Dr. Gabriella Tessitore

• orcid.org/0000-0001-5857-5884

Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6 Canada

Steven L. Maurizio

• orcid.org/0000-0002-2191-2151

Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6 Canada

Tarek Sabri

Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6 Canada

Corresponding Author

Prof. Dr. John A. Capobianco

• [email protected]

• orcid.org/0000-0002-2892-5211

Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6 Canada