{"product_id":"premium-carboxylation-graphene-quantum-dots-for-fluorescence-materials","title":"Premium Research Grade Carboxylation Graphene Quantum Dots For Fluorescence Materials 10nm","description":"\u003cp\u003e\u003cspan\u003eRidgehart Premium Carboxylated Graphene Quantum Dots (GQDs) are high-purity, water-soluble nanomaterials engineered for advanced fluorescence applications. With particle sizes below \u003cstrong\u003e10 nm\u003c\/strong\u003e and a rich surface of carboxyl (–COOH) functional groups, these GQDs deliver strong, stable, and tunable fluorescence, ideal for research, industrial, and biomedical use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eUltra-Small Particle Size (\u0026lt; 10 nm)\u003c\/strong\u003e: \u003c\/span\u003e\u003cspan\u003eEnsures strong quantum confinement and high photoluminescence efficiency.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eSolvent : Water \u003c\/li\u003e\n\u003cli\u003eSynthesis Method : Organic synthesis\u003c\/li\u003e\n\u003cli\u003ePurity : \u003cstrong\u003e99.9%\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuantum Yield : 5%.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAppearance : Pale Yellow Powder\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan\u003eLight Intensity : Low \u003c\/span\u003e\u003c\/span\u003eluminescence intensity, If you need a high intensity version please contact us.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCarboxyl-Functionalised Surface: \u003c\/span\u003e\u003cspan\u003eRich –COOH groups improve solubility, reactivity, and compatibility with polymers, biomolecules, and aqueous systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWater-Soluble and Easy to Disperse: \u003c\/span\u003e\u003cspan\u003eForms stable, clear solutions—ideal for fluorescence composites and bio-labelling.\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eExcitation-Dependent Fluorescence: \u003c\/span\u003e\u003cspan\u003eEmission color varies with excitation wavelength, enabling multi-color imaging and detection applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHigh Photostability and Chemical Stability: \u003c\/span\u003e\u003cspan\u003eMaintains fluorescence intensity over long periods and under diverse environmental conditions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEnvironmentally Friendly Composition: \u003c\/span\u003e\u003cspan\u003eFree from heavy metals, research grade safety for lab and industrial applications compared to traditional quantum dots.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCustomizable Options: \u003c\/span\u003e\u003cspan\u003eAvailable in different concentrations, dispersions. Please contact customer support to discuss. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eConsistent Batch Quality Assurance : \u003c\/span\u003e\u003cspan\u003eTight size distribution and purity control ensure reproducibility in research and product manufacturing.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKey Advantages:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHigh aqueous dispersibility and chemical stability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy bioconjugation with biomolecules (via amide bonds).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent fluorescence quantum yield and low toxicity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTailorable optical and electronic properties by size and surface chemistry.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong data-start=\"208\" data-end=\"231\"\u003eStorage Conditions:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"231\" data-end=\"234\"\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe powder should be stored in a dry environment, protected from light, and maintained at ambient low humidity conditions. The powder can be dried in an oven at 60\u003cspan\u003e℃ for 30 minutes before use. \u003c\/span\u003eRecommended shelf life is \u003cstrong\u003e3 months\u003c\/strong\u003e under proper storage once unsealed.\u003cbr data-start=\"417\" data-end=\"420\"\u003eFor solution preparation, dissolve the material as required and store the solution at \u003cstrong data-start=\"506\" data-end=\"514\"\u003e4 °C\u003c\/strong\u003e, protected from light, to preserve stability and performance. \u003cspan\u003eRecommended shelf life is \u003c\/span\u003e\u003cstrong\u003e3 months\u003c\/strong\u003e\u003cspan\u003e under proper storage once unsealed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eApplication Uses:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Storage:\u003c\/strong\u003e Used as additives in supercapacitors, lithium-ion, and sodium-ion batteries, improving charge transfer and electrode stability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalysis:\u003c\/strong\u003e Serve as catalyst supports or active sites for photocatalysis, electrocatalysis (e.g., water splitting, CO₂ reduction).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptoelectronic Devices:\u003c\/strong\u003e Used in LEDs, photodetectors, and solar cells for light emission and charge transport enhancement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluorescent Probes:\u003c\/strong\u003e Excellent for pH sensing or metal ion detection due to environment-sensitive luminescence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Functionalisation Studies:\u003c\/strong\u003e Serve as model systems for studying molecular attachment and charge transfer at nanoscale interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum Computing:\u003c\/strong\u003e As potential qubits due to their tunable band-gap and stable emission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntibacterial Coatings:\u003c\/strong\u003e Carboxylated GQDs generate ROS, inhibiting microbial growth on surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBioimaging and Cell Tracking:\u003c\/strong\u003e GQDs fluoresce under UV\/visible light, allowing labeling and imaging of cells, tissues, and biomolecules.\u003c\/li\u003e\n\u003cli\u003eCarboxyl groups improve water solubility and biocompatibility, reducing cytotoxicity compared to traditional quantum dots (e.g., CdSe).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrug Delivery:\u003c\/strong\u003e The carboxyl groups allow covalent attachment of drugs, peptides, or targeting ligands.\u003c\/li\u003e\n\u003cli\u003eTheir small size (∼10 nm) facilitates cellular uptake and intracellular transport.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiosensing:\u003c\/strong\u003e Functionalization enables selective detection of biomolecules (e.g., glucose, dopamine, DNA).\u003c\/li\u003e\n\u003cli\u003eFluorescence quenching\/turn-on mechanisms make them ideal optical biosensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotothermal \u0026amp; Photodynamic Therapy:\u003c\/strong\u003e GQDs can generate reactive oxygen species (ROS) or heat under light irradiation, useful for cancer therapy. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensing and Detection:\u003c\/strong\u003e Detect heavy metals (Pb²⁺, Hg²⁺, etc.) or organic pollutants via fluorescence quenching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotocatalytic Degradation:\u003c\/strong\u003e Used to break down dyes or pollutants in wastewater under visible light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMany more application uses, please enquire.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ridgehart ","offers":[{"title":"100 Milligrams(Mg)","offer_id":55911692370252,"sku":null,"price":1200.0,"currency_code":"GBP","in_stock":true},{"title":"500 Milligrams(Mg)","offer_id":55911692403020,"sku":null,"price":4800.0,"currency_code":"GBP","in_stock":true},{"title":"Custom Quantity","offer_id":55915582095692,"sku":null,"price":16000.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/9107\/1820\/files\/RBottle2Square.jpg?v=1762809399","url":"https:\/\/www.ridgehart.com\/products\/premium-carboxylation-graphene-quantum-dots-for-fluorescence-materials","provider":"Ridgehart","version":"1.0","type":"link"}