Xueyuan Chen

TL;DR: This work demonstrates an effective strategy through Mn2+ substitution to fundamentally stabilize perovskite lattices of CsPbX3 QDs even at high temperatures up to 200 °C under ambient air conditions and derives significantly improved thermal stability and optical performance from the enhanced formation energy due to the successful doping of Mn2-doped QDs.

TL;DR: In particular, inorganic fl uorides have the advantages of high chemical stability and intrinsic low phonon energies, and thereby are often employed as host materials for the doping of Ln 3 + to achieve the desirable downconversion (DC) or upconverting (UC) luminescence of LN 3 + .

TL;DR: This work demonstrates for the first time the application of LiLuF4 :Ln(3+) core/shell UCNPs as sensitive UCL bioprobes for the detection of an important disease marker β subunit of human chorionic gonadotropin (β-hCG) with a detection limit of 3.8 ng mL(-1) , which is comparable to the β-h CG level in the serum of normal humans.

TL;DR: The rational design, synthesis, and characterization of a new class of core-shell upconversion nanoparticles displaying unprecedented optical properties are presented, and it is shown that the epitaxial growth of an optically inert NaYF(4) layer around a lanthanide-doped NaGdF( 4)@NaGd F(4), core- shell nanoparticle effectively prevents surface quenching of excitation energy.

TL;DR: Amine-functionalized lanthanide-doped KGdF(4) nanocrystals have been demonstrated to be sensitive time-resolved FRET bioprobes to detect a trace amount of biomolecules such as avidin and to be potential T(1)-MRI contrast agents due to a large longitudinal relaxivity of Gd(3+).