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Blue Luminescent Graphene Quantum Dots

Blue Luminescent Graphene Quantum Dots

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Blue Luminescent Graphene Quantum Dots‚ Solution‚ CAS NO.: 7440-40-0

Product Detail

CAS NO.: 7440-40-0

Types of Graphene Quantum Dots Products
Product No.Product NameTypeCarrierStandard ConcentrationMaximum ConcentrationSize
GNQD0101 Blue Luminescent GQDs Solution Water 1 mg/ml 20 mg/ml 100ml
GNQD0111 DMF
GNQD0121 NMP
GNQD0131 Eth
GNQD0141 IPA
GNQD0201 Aminated GQDs  Solution Water 1 mg/ml 20 mg/ml 100ml
GNQD0301 Carboxylated GQDs* Solution Water 1 mg/ml 20 mg/ml 100ml
GNQD0701 Carboxylated GQDs Powder Powder - - - 100mg
GNQD0401 Chlorine Functionalized GQDs Solution Water 1 mg/ml 2 mg/ml 100ml
GNQD0501 Green GQDs* Solution Water 1 mg/ml 10 mg/ml 100ml
GNQD0601 Hydroxylated GQDs Solution Water 1 mg/ml 2 mg/ml 100ml
GQDW0101 Imidazole-Modified GQDs Solution Water 1 mg/ml 10 mg/ml 100ml
GQD001A1 Imidazole-Modified GQDs Powder Powder - - - 100mg
GQD001A5 500mg
GQD00101 1g

-- New added products!

* Shelf life

  • Carboxylated and Green GQDs: ~ 3 months;
  • the rest of GQDs products:~ 6 months;
  • recommand to use them as soon as possible after open the bottle.

Please contact us if you need products other than the standard concentration and carriers listed in the table.

1. Preparation Method

Preparation Method: Bottom-up method

2. Composition/Information on Ingredients

Elemental compositions of graphene quantum dots

H (wt %) C (wt %) O (wt %)
4 46 50

3. Characterization & Analysis 

Quantum Dots Size <15 nm
Thickness 0.5-2 nm
Purity >80%
Standard Concentration 1 mg/ml

The solutions of this GQDs emits blue light (460 nm) when excited with 365 nm UV beam. (reference only, actual value may vary)

We can provide this product with a concentration up to 20 mg/ml.

TEM image (1) of ACS Material Graphene Quantum Dots

TEM image (2) of ACS Material Graphene Quantum Dots

The solutions of GQDs emit blue light (460 nm) when excited with 365 nm UV beam. (reference only, actual value may vary)

4. Conditions for safe storage:

Please use it as soon as possible and store at 4-24 oC in a tightly sealed container. Store in same type of container (glass/plastic) as shipped.  Do not freeze. 

5. Application Fields

Photovoltaic devices‚ cellular imaging and drug delivery.

Research Citations of ACS Material Products

  1. Li, Changzheng, and Yanan Yue. “Fluorescence spectroscopy of graphene quantum dots: temperature effect at different excitation wavelengths.” Nanotechnology, vol. 25, no. 43, Sept. 2014, p. 435703., doi:10.1088/0957-4484/25/43/435703.
  2. Bhatnagar, Deepika, et al. “Graphene quantum dots FRET based sensor for early detection of heart attack in human.” Biosensors and Bioelectronics, vol. 79, 2016, pp. 495–499., doi:10.1016/j.bios.2015.12.083.
  3. Liu, Yang, et al. “Electro-Optical switching of liquid crystals sandwiched between ion-Beam-Spurted graphene quantum dots-Doped PEDOT:PSS composite layers.” Optics Express, vol. 23, no. 26, 2015, p. 34071., doi:10.1364/oe.23.034071.
  4. Bhatnagar, Deepika, et al. “Ultrasensitive cardiac troponin I antibody based nanohybrid sensor for rapid detection of human heart attack.” International Journal of Biological Macromolecules, vol. 95, 2017, pp. 505–510., doi:10.1016/j.ijbiomac.2016.11.037.
  5. Nieto, Andy, et al. “Graphene reinforced metal and ceramic matrix composites: a review.” International Materials Reviews, vol. 62, no. 5, 2016, pp. 241–302., doi:10.1080/09506608.2016.1219481.
  6. Bok, Chang Han, et al. “Operating mechanisms of highly-Reproducible write-Once-Read-Many-Times memory devices based on graphene quantum dot:Poly(Methyl silsesquioxane) nanocomposites.” Applied Physics Letters, vol. 110, no. 1, Apr. 2017, p. 013301., doi:10.1063/1.4973358.
  7. Kim, Do Hyeong, et al. “Highly-Reproducible nonvolatile memristive devices based on polyvinylpyrrolidone: Graphene quantum-Dot nanocomposites.” Organic Electronics, vol. 51, 2017, pp. 156–161., doi:10.1016/j.orgel.2017.09.005.
  8. Gupta, Shagun, et al. “Ultrasensitive transglutaminase based nanosensor for early detection of celiac disease in human.” International Journal of Biological Macromolecules, vol. 105, 2017, pp. 905–911., doi:10.1016/j.ijbiomac.2017.07.126.
  9. Ooi, Poh Choon, et al. “Reduced graphene oxide preparation and its applications in solution-Processed write-Once-Read-Many-Times graphene-Based memory device.” Carbon, vol. 124, 2017, pp. 547–554., doi:10.1016/j.carbon.2017.09.004.