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935123

Sigma-Aldrich

Infrared Ag2S quantum dots

λmax, 800 nm, 10 mg/mL in DMF

Sinónimos:

Fluorescent nanocrystals, INFIQ® quantum dots, Silver based core type QDs

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About This Item

Fórmula empírica (notación de Hill):
Ag2S
Peso molecular:
247.80
Número MDL:
MFCD00003406
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
24854485
NACRES:
NA.21

descripción

>= 4 (peak/valley ratio)

Nivel de calidad

100

formulario

liquid

concentración

10 mg/mL in DMF

diámetro

<15 nm

λmáx.

≤70 nm (FWHM)
800 nm

temp. de almacenamiento

2-8°C

Categorías relacionadas

Descripción general

Silver sulfide (Ag2S) quantum dots (QD) are semiconducting inorganic nanoparticles, offered as a concentrated solution (10 mg/mL) in N,N-dimethylformamide. The most important property of a Ag2S QD is its excitonic absorption peak wavelength, which is controlled by the particle size. These infrared Ag2S quantum dots have an excitonic absorption peak wavelength of 800 nm and narrow peak width, indicating that they are a monodisperse ensemble of nanoparticles, all a very similar size. In addition, Ag2S quantum dots do not contain toxic elements (such as Cd and Pb), making them a greener alternative to Cd- and Pb-based QDs.

Aplicación

Ag2S quantum dots have a range of potential applications in nanodiagnostics, solar cells, and photoelectrochemical biosensors. These nanocrystals can be used as NIR optical imaging probes in research activities aimed at studying nanodiagnostics and imaging in vivo. Additionally, studies have shown that Ag2S QDs can serve as a highly efficient and broadband sensitizer for solar cells, making them a promising material for research and development activities in the field of photovoltaics Ag2S QDs have also demonstrated potential as PEC biosensors, with studies showing that they have extensive potential in this application due to their simplicity, low toxicity, sensitivity, and wide range of potential uses

Información legal

INFIQ is a registered trademark of Quantum Science Ltd.

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Referencia del producto
Descripción
Precios

Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

135.5 °F - closed cup

Punto de inflamabilidad (°C)

57.5 °C - closed cup

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Low-toxic Ag2S quantum dots for photoelectrochemical detection glucose and cancer cells
Zhang X, et al.
Biosensors And Bioelectronics, 56, 307-312 (2014)
Ag2S quantum dot-sensitized solar cells
Tubtimtae A, et al.
Electrochemistry Communications, 12, 1158-1160 (2010)
Peng Jiang et al.
Biomaterials, 33(20), 5130-5135 (2012-04-10)
A one-step method for synthesizing water-soluble Ag(2)S quantum dots terminated with carboxylic acid group has been reported. The crystal structure and surface of the prepared Ag(2)S quantum dots were characterized. The prepared Ag(2)S quantum dots exhibited bright photoluminescence and excellent

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