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Merck
CN

900726

石墨烯量子点

greener alternative

blue luminescent, powder

别名:

GQDs

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关于此项目

化学文摘社编号:
7440-44-0
MDL number:
MFCD00133992
UNSPSC Code:
11101522
EC Number:
231-153-3
NACRES:
NA.23

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greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

color

brown

particle size

<5 nm

fluorescence

λex 350 nm nm, quantum yield ≥10%, , quantum yield >10%

greener alternative category

Enabling

SMILES string

[C]

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

InChI

1S/C

description

topographic height: 1-2.0 nm

form

powder

Quality Level

100

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相关类别

General description

We are committed to bringing you Greener Alternative Products that adhere to one of the four categories of Greener Alternatives. This enabling product offers improved color performance and luminous efficiency compared to classical Cd quantum dots, making it a superior choice for display technologies and lighting applications. Its enhanced properties not only produce vibrant colors but also reduce energy consumption, contributing to energy-efficient solutions. Click here for more information.

Application

石墨烯量子点（GQDs）是横向尺寸小于100 nm的少层石墨烯片，具有强大的量子限制和边缘效应。因此，它们具有独特的物理性质，如强光致发光，可通过控制其尺寸、形状、缺陷和功能而针对特定应用进行定制。与经典的QD（如金属或硅量子点）相比，GQD具有生物相容性、光稳定性并且继承了石墨烯出色的热力性质、电性质和机械性能。这些特点都极大的促进了多种先进的应用：
  • 光学增白剂。
  • 用于安全应用的爆炸物示踪剂
  • 生物成像标记物。
  • 荧光聚合物。
  • 抗菌、抗生物污染、消毒系统。
  • 重金属、湿度和压力传感器。
  • 电池。
  • 闪存设备。
  • 光伏设备。
  • 发光二极管。

存储类别

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCQ4242
MKCP9182
MKCM8546
MKCM5422
MKCJ2221

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Jianhua Shen et al.
Chemical communications (Cambridge, England), 48(31), 3686-3699 (2012-03-14)
Similar to the popular older cousins, luminescent carbon dots (C-dots), graphene quantum dots or graphene quantum discs (GQDs) have generated enormous excitement because of their superiority in chemical inertness, biocompatibility and low toxicity. Besides, GQDs, consisting of a single atomic
An electrochemical avenue to green-luminescent graphene quantum dots as potential electron-acceptors for photovoltaics.
Yan Li et al.
Advanced materials (Deerfield Beach, Fla.), 23(6), 776-780 (2011-02-03)

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石墨烯量子点：属性、合成及应用

阐释了石墨烯量子点的属性、合成及应用。GQD具有无毒性、良好溶解性、稳定的光激发光以及更好的表面接枝属性等优势。

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