Sökning: "graphene oxide"
Visar resultat 16 - 20 av 75 avhandlingar innehållade orden graphene oxide.
16. Development of Mild Methods for Selective Covalent Functionalization of Graphene
Sammanfattning : This thesis discusses methods for the comparatively mild covalent functionalization of graphene. Several graphene models were investigated: polycyclic aromatic hydrocarbons (PAHs), chemical vapor deposition (CVD)-graphene on SiO2/Si substrate, graphite foil, graphite flakes, kish graphite and highly oriented pyrolytic graphite. LÄS MER
17. Raman Spectroscopy and Hyperspectral Analysis of Living Cells Exposed to Nanoparticles
Sammanfattning : Nanoparticles, i.e. particles with at least one dimension smaller than 100 nm, are present in large quantities in ambient air and can also be found in an increasing amount of consumer products. It is known that many nanomaterials have physicochemical properties that differ from physicochemical properties of the same material in bulk size. LÄS MER
18. Biosensing platforms using graphene based bioreactive nanostructures with various dimensions
Sammanfattning : Nanomaterials have brought new aspects and improvements to the biosensing field due to their unique physical and chemical properties that are not shown in the bulk state. This thesis focuses on concepting, developing and testing of biosensors where nanomaterials including graphene gold nanoparticles (AuNPs) and magnetic nanoparticles (MNPs) constitute the biosensors. LÄS MER
19. Inkjet Printing of Graphene-based Microsupercapacitors for Miniaturized Energy Storage Applications
Sammanfattning : Printing technologies are becoming increasingly popular because they enable the large-scale and low-cost production of functional devices with various designs, functions, mechanical properties and materials. Among these technologies, inkjet printing is promising thanks to its direct (mask-free) patterning, non-contact nature, low material waste, resolution down to 10 µm, and compatibility with a broad range of materials and substrates. LÄS MER
20. Graphene Based Inks for Printed Electronics
Sammanfattning : The outstanding properties of graphene make it attractive ink filler for conductive inks which plays an important role in printed electronics. This thesis focuses on the ink formulation based on graphene and graphene oxide (GO).Liquid phase exfoliation of graphite is employed to prepare graphene dispersions, i.e. LÄS MER