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900556

Sigma-Aldrich

Rare earth doped upconversion nanoparticles

fluorescence λem 540 nm (main peak), 10 mg/mL in toluene

Synonym(s):

CANdot® Series X up green, Er/NaYF4, Luminescent nanoparticles, NaYF4:Yb, Upconversion nanocrystals

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About This Item

UNSPSC Code:
12352303
NACRES:
NA.23

form

dispersion
nanoparticles

Quality Level

100

composition

Er/NaYF4
NaYF4:Yb

concentration

10 mg/mL in toluene

particle size

20 nm

λmax

980 nm

fluorescence

λem 540 nm (main peak)
λem 540 nm±15 nm

functional group

oleic acid

storage temp.

2-8°C

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Application

Our rare earth doped upconversion nanoparticles possess inorganic fluoride host lattices and can be easily excited with near-infra-red (NIR: 980 nm) light source. These Cd-free nanoparticles exhibit characteristic emission peaks and are well suited for applications as luminescent biological labels and as spectral converters for increasing solar cell efficiency.

Legal Information

Fraunhofer CAN is a research division of the Fraunhofer IAP
CANdot is a registered trademark of Fraunhofer CAN

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

Target Organs

Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

43.0 °F

Flash Point(C)

6.11 °C

Certificates of Analysis (COA)

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Enhanced luminescence efficiency of aqueous dispersible NaYF4:Yb/Er nanoparticles and the effect of surface coating.
Ansari AA, et al.
Royal Society of Chemistry Advances, 6, 22074-22082 (2016)
Cytotoxic effects of upconversion nanoparticles in primary hippocampal cultures.
Vedunova MV, et al.
Royal Society of Chemistry Advances, 6, 33656-33665 (2016)
Thorben Rinkel et al.
Angewandte Chemie (International ed. in English), 55(3), 1164-1167 (2015-12-04)
A new method is presented for preparing gram amounts of very small core/shell upconversion nanocrystals without additional codoping of the particles. First, ca. 5 nm β-NaYF4:Yb,Er core particles are formed by the reaction of sodium oleate, rare-earth oleate, and ammonium fluoride

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