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Seller Store goographene
(355) 100.0%,
Location: Merrifield, Virginia
Ships to: US,
Item: 113843274713
Restocking Fee:No
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All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Goographene:Goographene
SPECIAL NOTEThe price of graphene oxide product in the market today largely depends on the QUALITY of the product. One important factor to consider for the quality is the pH value of graphene oxide when it is in the form of dispersion/solution. The preliminary graphene oxide produced by Hummer method has normally a pH value of from 2 to 3 if no washing step is involved in the entire production process. The acidic nature (pH=2-3) of the un-washed grapheme oxide will significantly deteriorate the results of its applications. Therefore, it is advisable to ask a vendor about the pH of the graphene oxide before buying it.Our graphene oxide based products were obtained after steps of repetitive washing with a large amount of distilled water. The final products of our graphene oxide dispersions are close to neutral, having a pH of about 6-7. Our solid grapheme oxide products were obtained after washing and drying and have a pH of about 6-7 when they dissolve into distilled water with the aid of sonication. DescriptionSingle-layered graphene oxide (GO), a new exciting graphene-based nanomaterial, has a wide variety of applications due to its atomic thickness and other excellent properties. It can be reduced back to graphene chemically or thermally. Its good dissolvability in water as well as in organic solvents make it easy for solution processing. The GO production based on a wet chemistry approach is inexpensive and can be on a large scale. The listed item is AQUEOUS dispersion of GO, obtained by dissolving GO solid in DISTILLED water with the aid of sonication. NO SURFACTANT! —www.goographene.com— SpecificationsConcentration: 1 mg/mlColor: yellow-brown, brown, or dark brown, depending on the concentration of GO in water; pH: 6-7;Purity: ~ 99%; Single layer ratio: ~99%;Dimension by AFM and SEM: several hundreds nanometers in XY plane, up to several micrometers; 0.7-1.2 nm in thickness. Application AreasPrecursor for graphene preparation; Transparent conductive films/coatings; Solar energy; Graphene nanoelectronics; Supercapacitors; Graphene oxide paper; Biosensing material; Drug delivery carrier; and many more. A Short List of Research Citations of Our Goographene Products Peer-Reviewed PublicationsKashem et al., “Spin-spray-assisted layer-by-layer assembly of thick polymer films with self-healing, UV-protection, and anti-fog properties”, J. Polym. Sci., 2022, in press, Front Cover. DOI: 10.1002/pol.20220481Tarekegn et al., “Poly(3-hexylthiophene)-based organic thin-film transistors with virgin graphene oxide as an interfacial layer”, Polymers, 2022, 14, 5061.Seyedi et al., “Toward mechanical recycling of polystyrene/polypropylene blends with bottlebrush-modified graphene oxide as a compatibilizer”, ACS Appl. Mater. Interfaces, 2022, 14, 30, 35074-35086. Javanbakht et al., “Rheological and physical properties of a nanocomposite of graphene oxide nanoribbons with polyvinyl alcohol”, Journal of Thermoplastic Composite Materials, 2022, 35(5), 651-664. Barkley et al., “Smart electromagnetic thermites: GO/rGO nanoscale thermite composites with thermally switchable microwave ignitability”, ACS Appl. Mater. Interfaces, 2021, 13, 33, 39678-39688. Regis et al., “Near-UV light assisted green reduction of graphene oxide films through l-ascorbic acid”, International Journal of Smart and Nano Materials”, 2021, 12:1, 20-35, DOI: 10.1080/19475411.2021.1887396. Zhao et al., “Ultrathin and ultrasensitive printed carbon nanotube-based temperature sensors capable of repeated uses on surfaces of widely varying curvatures and wettabilities”, ACS Appl. Mater. Interfaces, 2021, 13, 8, 10257-10270. Mohammadi et al., “Graphene oxide membranes for isotopic water mixture filtration: preparation, physicochemical characterization, and performance assessment”, ACS Appl. Mater. Interfaces, 2020, 12, 31, 34736-34745. Yafia et al., “Low-cost graphene-based digital microfluidic system”, Micromachines, 2020, 11, 880; doi: 10.3390/mi11090880. Gonzalez-Rodriguez et al., “Multifunctional graphene oxide/iron oxide nanoparticles for magnetic targeted drug delivery dual magnetic resonance/fluorescence imaging and cancer sensing”, PLoS One, 2019; 14(6): e0217072. Published online 2019 Jun 6. doi: 10.1371/journal.pone.0217072. Al-Naddaf et al., “MOF-GO hybrid nanocomposite adsorbents for methane storage”, Industrial & Engineering Chemistry Research, 2018, 57, 51, 17470-17479. Amun Amri et al., “Composites of palm oil fuel ash (POFA) based geopolymer and graphene oxide: structural and compressive strength”, IOP Conf. Ser.: Mater. Sci. Eng., 2018, 420, 012063. doi:10.1088/1757-899X/420/1/012063Joung et al., “Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding”, Journal of Visualized Experiments, 2018(139). URL: https://www.jove.com/video/58500 DOI: 10.3791/58500. Hasan et al., “Optical Band Gap Alteration of Graphene Oxide via Ozone Treatment”, Scientific Reports, 2017, 7, 6411. DOI: 10.1038/s41598-017-06107-0. Kuanyshbekov T.K et al., “Investigation of Temperature influence on the Process of Reduction of Graphene Oxide”, Recent Contributions to Physics, 2017, 2(61), p18-23. Patents“Compositions and methods for wound treatment”, invented by Daniel D. Holsworth, US11291730 B2, patented on April 5, 2022.“Compositions and methods for wound treatment”, invented by Daniel D. Holsworth, US11369685B2, patented on June 28, 2022. Dissertations & Theses“Graphene Oxide-Thermoplastic Nanocomposites: Fabrication and Properties”, by Seyedeh Mastooreh Seyedi Ghezghapan, Doctor of Philosophy in Materials Science and Engineering, Clemson University, 2022.“Material Synthesis and Additive Manufacturing of Ceramics”, by Elsa Bramasco-Rivera, Master’s Program in Mechanical Engineering, The University of Texas at El Paso, 2022, 49 pages.“A study of the layer-by-layer films with properties of self-healing and UV-protection”, a thesis of Master of Science in Chemical Engineering by Xu Liu, Texas Tech University, 2020, 64 pages.“Removing heavy metals from wastewater using graphene oxide”, a thesis of Master of in Environmental Engineering, Mid Sweden University, 2020, 30 pages.“Researching the properties of functionalized few-layer graphene nanostructures”, Dissertation for the Ph.D. in Material science, by Kuanyshbekov Tilek Kuanyshbekuly, Al-farabikazakh National University, 2019, 100 pages.“Additive manufacturing of energy harvesting material system for active wireless MEMS”, Master degree thesis in Mechanical Engineering by Victor Fernando Elicerio, University of Texas at El Paso, 2018, 93 pages.“Characterization and modification of optical properties of graphene oxide and reduced graphene oxide”, Master degree of Science, Texas Christian University, 2018, 89 pages.“Optimizing graphene oxide reduction via laser irradiation”, Master degree thesis in Science of Physics by Austin Patrick Osenga, East Carolina University, 2016, 60 pages.“Investigating solid-state supercapacitors constructed with PVA/CNT nanocomposite electrolytes”, a thesis of Master of Science in Mechanical Engineering, by Temmuz Coskun, Wichita State University, 2014, 92 pages. Research Reports“Electrochemical mineralization of perfluorooctanoic acid”, by Mei Sun and Vivek Francis Pulikkal, NC Water Resources Research Institute, University of North Carolina at Charlotte, August 2019. — PLEASE NOTE —1) Packages with other concentrations of GO dispersions are available (e.g., 3 mg/ml, 5 mg/ml). If you need larger volume of GO dispersions (e.g., > 500 ml) of the product, please feel free to contact us.2) We offer FREE STANDARD SHIPPING for ALL ORDERS within United States. Tracking numbers are available for all national and international shippings. We ship items out quickly: within 24 hours after receiving a payment, if not sooner. 3) We are commited to providing high quality graphene-based products with very competitive prices. We appreciate very much if you could leave us a Positive feedback on ebay after you receive your item in the condition you expected. Feedbacks are our essential tool to build up a trustful seller reputation on eBay community. However, if there is a problem, please send us a message; we promise that we will try to do our best to resolve your issue smoothly to deserve your positive feedback. 4) For International Buyers: a) First-Class Package International Service: Varies by destination – tracking number available; b) USPS Priority Mail International Small Flat Rate Box: 6 – 10 business days – tracking number available; c) If you need other FASTER international mail services, please visit USPS website for more information and contact the seller before you place an order; d) International buyers are responsible for any customs charges such as duties and taxes that MAY apply. — THANK YOU! —
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