935123
Infrared Ag2S quantum dots
λmax, 800 nm, 10 mg/mL in DMF
Synonym(s):
Fluorescent nanocrystals, INFIQ® quantum dots, Silver based core type QDs
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description
>= 4 (peak/valley ratio)
Quality Level
form
liquid
concentration
10 mg/mL in DMF
diameter
<15 nm
λmax
≤70 nm (FWHM)
800 nm
storage temp.
2-8°C
Related Categories
General description
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.
Application
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
Legal Information
INFIQ is a registered trademark of Quantum Science Ltd.
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Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B
wgk_germany
WGK 2
flash_point_f
closed cup
flash_point_c
closed cup
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Ag2S quantum dot-sensitized solar cells
Electrochemistry Communications, 12, 1158-1160 (2010)
Low-toxic Ag2S quantum dots for photoelectrochemical detection glucose and cancer cells
Biosensors And Bioelectronics, 56, 307-312 (2014)
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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