描述
topographic height: 1-2.0 nm
表单
suspension
浓度
1 mg/mL in H2O
颜色
colorless
直径
<5 nm
荧光
λem 475-495 nm FWHM 70 nm, quantum yield >17%
InChI
1S/C
InChI key
OKTJSMMVPCPJKN-UHFFFAOYSA-N
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一般描述
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.
储存分类代码
12 - Non Combustible Liquids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
此项目有
Rostislav Bukasov et al.
Journal of fluorescence, 30(6), 1477-1482 (2020-08-29)
Surface enhanced fluorescence (SEF) is observed with very high contrast (100-200) from single E. coli bacteria cells labeled with Carbon nanodots (CDs), on aluminum foil and aluminum film. Likely, it is the first application of organic CDs in SEF. SEF
Y Ito et al.
Clinica chimica acta; international journal of clinical chemistry, 194(2-3), 131-144 (1990-12-24)
Serum concentrations of alpha-carotene (AC), beta-carotene (BC), lycopene (LY), beta-cryptoxanthin (CR), zeaxanthin (including lutein. ZX), canthaxanthin (CX), retinol (RE), and alpha-tocopherol (TO) in healthy persons (618 males and 1,196 females) aged 7-86 years were determined by HPLC. Serum concentrations of
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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