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Merck
CN

748080

CdSe/ZnS 核壳型量子点

stabilized with octadecylamine ligands, fluorescence λem 560 nm, solid

别名:

Artificial atoms, Fluorescent nanocrystals, QDs

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关于此项目

线性分子式:
CdSe/ZnS
NACRES:
NA.23
UNSPSC Code:
26111700
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description

Extinction Coefficient- 250000 at first peak position

Quality Level

form

solid

mol wt

Mw 79000

size

6.8 nm , Inorganic size of QDs(core+shell)

fluorescence

λem 560 nm

Application

CdSe/ZnS core/shell nanocrystals in solid form are highly purified quantum dots. They can be dispersed in most non-polar organic solvents such as toluene, chloroform, hexane, etc. With very low organic impurity, these quantum dots are specifically designed as emitters for optoelectronic applications such as display and solid state lighting.

Protocol to make QD solutions (dispersing QDs into solutions):

1. Weigh desired amount of the quantum dot powder and put it in a glass vial;
2. Add desired amount of the solvent, i.e. toluene, chloroform, hexane, etc. (mostly non-polar organic solvents) in the vial and shake the vial;
3. If there is any solid left in the vial after shaking, sonicate the vial for 30~60 seconds to get the quantum dot powder well dispersed. If required dilute the solution further.

Material has a shelf life of around 3 years if stored properly. Store at room temperature (4-25 °C); do not freeze. Should not be exposed to extreme temperatures.

Legal Information

Product of Ocean Nanotech, LLC


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signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 - STOT RE 2 Oral

target_organs

Kidney,Bone, Liver,Gastrointestinal tract,Immune system

supp_hazards

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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Professor Xiaohu Gao (University of Washington, USA) provides a overview of recent quantum dot (QD) advancements and their potential for advancing bioassay and bioimaging technologies.

Controlled synthesis of metal clusters regulates ligands and atoms, advancing metal nanomaterial synthesis.

Cadmium-free quantum dots for bioimaging offer design and synthesis strategies, enhancing bioimaging and sensing applications.

查看所有文章

Zhanao Tan et al.
Nano letters, 7(12), 3803-3807 (2007-11-03)
We report a multilayer solution-processed blue light-emitting diode based on colloidal core/shell CdS/ZnS nanocrystal quantum dots (QDs). At a low-operating voltage of 5.5 V, the device emits spectrally pure blue radiation at 460 nm with a narrow full-width-at-half-maximum bandwidth of
Bright, multicoloured light-emitting diodes based on quantum dots.
Sun Q, et al.
Nature Photonics, 1, 717-722 (2007)



全球贸易项目编号

货号GTIN
748080-25MG04061833038253
748080-10MG04061833038239