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品質等級
描述
topographic height: 1-2.0 nm
形狀
suspension
濃度
1 mg/mL in H2O
顏色
colorless
直徑
<5 nm
螢光
λex 485 nm; λem 530 nm±10 nm FWHM 80 nm, quantum yield ≥17%
InChI
1S/C
InChI 密鑰
OKTJSMMVPCPJKN-UHFFFAOYSA-N
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一般說明
Graphene quantum dots (GQDs), sheets of few-layered graphene and lateral dimensions smaller than 100 nm, possess strong quantum confinement and edge effects. Thus, they possess unique physical properties such as strong photoluminescence, which can be tailored for specific applications by controlling their size, shape, defects, and functionality. In contrast to classic QDs, such as metal or silicon quantum dots, GQDs are biocompatible, photo-stable, and inherit superior thermal, electrical, and mechanical properties from the graphene. These features can greatly contribute to various state-of-the-art applications:
- Optical brighteners.
- Taggants for security application.
- Bio-imaging markers.
- Fluorescent polymers.
- Antibacterial, antibiofouling, disinfection systems.
- Heavy metals, humidity and pressure sensors.
- Batteries.
- Flash memory devices.
- Photovoltaic devices.
- Light-emitting diodes.
儲存類別代碼
12 - Non Combustible Liquids
水污染物質分類（WGK）
nwg
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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)
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
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