Search for dissertations about: "Carbon nanosheets"

Showing result 1 - 5 of 10 swedish dissertations containing the words Carbon nanosheets.

  2. 1. Fabrication and Functionalization of Graphene and Other Carbon Nanomaterials in Solution

    Author : Erika Widenkvist; Ulf Jansson; Reine Wallenberg; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Graphene; Functionalization; Carbon nanotubes; Carbon nanosheets; Organic chemistry; Organisk kemi; Organisk kemi; Organic Chemistry;

    Abstract : In the last decades several new nanostructures of carbon have been discovered, including carbon nanotubes (CNTs), and the recently discovered 2-dimensional graphene. These new materials exhibit extraordinary and unique properties—making them extremely interesting both for fundamental science and for future applications. READ MORE

  4. 2. Multifunctional Carbon Foams by Emulsion Templating : Synthesis, Microstructure, and 3D Li-ion Microbatteries

    Author : Habtom Desta Asfaw; Kristina Edström; Leif Nyholm; John R. Owen; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Battery; Carbon; Electrochemical; Electrodeposition; Emulsion; Energy; Exfoliation; Foam; Lithium; Microbattery; Multifunctional; Nanoparticles; Polyaniline; Polymer; Power; Sol-gel; Storage; Structured; Three-dimensional; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Abstract : Carbon foams are among the existing electrode designs proposed for use in 3D Li-ion microbatteries. For such electrodes to find applications in practical microbatteries, however, their void sizes, specific surface areas and pore volumes need be optimized. READ MORE

  5. 3. Aqueous Exfoliation of Transition Metal Oxides for Energy Storage and Photocatalysis Applications : Vanadium Oxide and Molybdenum Oxide Nanosheets

    Author : Ahmed S. Etman; Junliang Sun; Yury Gogotsi; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; aqueous exfoliation; vanadium oxide nanosheets; molybdenum oxide nanosheets; energy storage; photocatalysis; Inorganic Chemistry; oorganisk kemi;

    Abstract : Two-dimensional (2D) transition metal oxides (TMOs) are a category of materials which have unique physical and chemical properties compared to their bulk counterparts. However, the synthesis of 2D TMOs commonly includes the use of environmental threats such as organic solvents. READ MORE

  6. 4. Electrochemical Application and AFM Characterization of Nanocomposites : Focus on Interphase Properties

    Author : Hui Huang; Per Claesson; Orlando Rojas; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Electrochemical sensor; nanocomposite; graphene; carbon nanotubes; phytic acid; polyaniline; corrosion protection; silica nanoparticles; atomic force microscopy; interphase; Kemi; Chemistry;

    Abstract : The use of graphene and conductive polyaniline nanomaterials in the field of electrochemistry is increasing due to their excellent conductivity, rapid electron transfer and high specific surface area. However, these properties are strongly dependent on the preparation processes. READ MORE

  7. 5. Water film-mediated mineralogical transformations and photocatalytic reactions

    Author : N. Tan Luong; Jean-Francois Boily; Michael Holmboe; Alejandro Fernandez-Martinez; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; mineral; water films; carbon dioxide; MgO; MnCO3; TiO2; hydroxylation; carbonation; oxidation; transformation; photocatalysis; Inorganic Chemistry; oorganisk kemi; nanomaterials; nanomaterial; Physical Chemistry; fysikalisk kemi;

    Abstract : Mineral particles capture water vapor in the atmosphere in the form of water films that are only few monolayers thick. Water films form nanoscale hydration environments that mediate a wide range of important reactions in nature and technology. READ MORE