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900544

Sigma-Aldrich

Rare earth doped upconversion nanoparticles

fluorescence λem 474 nm (main peak), 10 mg/mL in toluene

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Synonym(s):
CANdot® Series X up blue, Luminescent nanoparticles, NaYF4:Yb, Tm/NaYF4, Upconversion nanocrystals

form

dispersion
nanoparticles

Quality Level

composition

NaYF4:Yb
Tm/NaYF4

concentration

10 mg/mL in toluene

particle size

17 nm

λmax

980 nm

fluorescence

λem 474 nm (main peak)
λem 474 nm±15 nm

functional group

oleic acid

storage temp.

2-8°C

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1 of 4

This Item
900514900556914118
Titania nanoparticles dispersion, 5 wt. % in ethanol, 700 nm particle size

Sigma-Aldrich

914118

Titania nanoparticles

particle size

17 nm

particle size

-

particle size

20 nm

particle size

700 nm

functional group

oleic acid

functional group

carboxylic acid

functional group

oleic acid

functional group

-

composition

NaYF4:Yb

composition

-

composition

Er/NaYF4 , NaYF4:Yb

composition

-

concentration

10 mg/mL in toluene

concentration

5 mg/mL in hexane

concentration

10 mg/mL in toluene

concentration

5 wt. % in ethanol

λmax

980 nm

λmax

-

λmax

980 nm

λmax

-

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 peak and are well suited for applications as luminescent biological labels and as spectral converters for increasing solar cell efficiency cell.

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

37.0 °F

Flash Point(C)

2.77 °C


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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)
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
Cytotoxic effects of upconversion nanoparticles in primary hippocampal cultures.
Vedunova MV, et al.
Royal Society of Chemistry Advances, 6, 33656-33665 (2016)

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