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Merck
CN
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主要文件

900726

Sigma-Aldrich

石墨烯量子点

blue luminescent, powder

别名:

GQDs

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100 μL
CN¥4,919.26

CN¥4,919.26

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选择尺寸

变更视图
100 μL
CN¥4,919.26

About This Item

CAS号:
7440-44-0
EC 号:
231-153-3
MDL编号:
MFCD00133992
UNSPSC代码:
11101522
NACRES:
NA.23

CN¥4,919.26

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质量水平

100

描述

topographic height: 1-2.0 nm

表单

powder

颜色

brown

粒径

<5 nm

荧光

λex 350 nm; λem 445 nm±10 nm FWHM 75 nm, quantum yield ≥20%

SMILES字符串

[C]

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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conjugate

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Quality Level

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Quality Level

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Quality Level

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Quality Level

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biological source

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biological source

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biological source

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biological source

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product line

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product line

Prestige Antibodies® Powered by Atlas Antibodies

product line

-

shipped in

wet ice

shipped in

wet ice

shipped in

wet ice

shipped in

wet ice

应用

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。

储存分类代码

11 - Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

  • 技术规格说明书

    • 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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    Properties, synthesis & applications of Graphene Quantum Dots explained. GQDs have advantages of nontoxicity, good solubility, stable photoluminescence & better surface grafting.

    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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