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Merck
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900221

Sigma-Aldrich

CdSe/ZnS 核壳型量子点

carboxylic acid functionalized, fluorescence λem 540 nm, 1 mg/mL in H2O

别名:

QD, 荧光纳米晶体

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1 ML
$243.00

$243.00

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1 ML
$243.00

About This Item

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

$243.00

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表单

powder

质量水平

100

浓度

1 mg/mL in H2O

荧光

λem 540 nm
λem 540 nm±10 nm, quantum yield >50%

官能团

carboxylic acid

储存温度

2-8°C

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相关类别

一般描述

反应基：羧酸。

应用

以羧酸为反应性基团的 CdS/ZnS 或 CdSe/ZnS 量子点（QD）的有机层由油酸/十八烷基胺的单层和两亲聚合物的单层组成。这些 QD 上有机层的总厚度约为 4 nm。它们在生物成像和生物传感领域有多种应用。[1][2][3]

注意

注意：不要冻存。

法律信息

Ocean Nanotech, LLC的产品。

象形图

Environment
GHS09

危险声明

H411

预防措施声明

P273 - P391 - P501

危险分类

Aquatic Chronic 2

储存分类代码

12 - Non Combustible Liquids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX5535
MKCX2454
MKCT4336
MKCT0764
MKCS1025

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Qingjiang Sun et al.
ACS nano, 3(3), 737-743 (2009-03-25)
Owing to their narrow bright emission band, broad size-tunable emission wavelength, superior photostability, and excellent flexible-substrate compatibility, light-emitting diodes based on quantum dots (QD-LEDs) are currently under intensive research and development for multiple consumer applications including flat-panel displays and flat
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)

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Questions

1–2 of 2 Questions  

  1. What is the extinction co-efficient of this QD?

    1 answer

    1. Unfortunately, the extinction coefficient of this product is not determined.

      Helpful?

  2. What is the particle size?

    1 answer

    1. The particle size of the CdSe/ZnS core-shell type quantum dots are as follows:
      Core diameter - 2.8nm
      Shell thickness - 1.4nm
      Core/Shell - 5.6nm

      Helpful?

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