Efficient
Quenching of TGA-Capped CdTe Quantum Dot Emission by a Surface-Coordinated
Europium(III) Cyclen Complex
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Abstract
Extremely efficient quenching of
the excited state of aqueous CdTe quantum dots (QDs) by photoinduced
electron transfer to a europium cyclen complex is facilitated by surface
coordination to the thioglycolic acid capping ligand. The quenching
dynamics are elucidated using steady-state emission and picosecond
transient absorption