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  • High-sensitivity fluorescence lifetime thermal sensing based on CdTe quantum dots.

High-sensitivity fluorescence lifetime thermal sensing based on CdTe quantum dots.

Small (Weinheim an der Bergstrasse, Germany) (2012-06-16)
P Haro-González, L Martínez-Maestro, I R Martín, J García-Solé, D Jaque
PMID22700354
ABSTRACT

The potential use of CdTe quantum dots as luminescence nano-probes for lifetime fluorescence nano-thermometry is demonstrated. The maximum thermal sensitivity achievable is strongly dependent on the quantum dot size. For the smallest sizes (close to 1 nm) the lifetime thermal sensitivity overcomes those of conventional nano-probes used in fluorescence lifetime thermometry.

MATERIALS
Product Number
Brand
Product Description
777978
Sigma-Aldrich
CdTe core-type quantum dots, COOH functionalized, fluorescence λem 710 nm, powder
777935
Sigma-Aldrich
CdTe core-type quantum dots, COOH functionalized, fluorescence λem 520 nm, powder
777943
Sigma-Aldrich
CdTe core-type quantum dots, COOH functionalized, fluorescence λem 570 nm, powder
777951
Sigma-Aldrich
CdTe core-type quantum dots, COOH functionalized, fluorescence λem 610 nm, powder