Sökning: "Alexandr Talyzin"

Hittade 4 avhandlingar innehållade orden Alexandr Talyzin.

  1. 1. New Fullerene Materials Obtained in Solution and by High Pressure High Temperature Treatment

    Författare :Alexandr Talyzin; B. Sundqvist; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chemistry; fullerene; solution; high pressure; Raman spectroscopy; polymerisation; XRD; Kemi; Chemistry; Kemi; Inorganic Chemistry; oorganisk kemi;

    Sammanfattning : Crystallization of C60 and C70 from organic solution often leads to the formation of new solvates and other fullerene compounds. In the present thesis, a number of such solvates were obtained and their phase transitions studied using in situ "in solution" techniques. LÄS MER

  2. 2. Graphite oxides for preparation of graphene related materials : structure, chemical modification and hydrogen storage properties

    Författare :Alexey Klechikov; Alexandr Talyzin; Tamás Szabó; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Graphite oxide; graphene oxide; hydrogen storage; nanomaterials; adsorption; surface area; pore volume; Materials Science; materialvetenskap;

    Sammanfattning : Carbon materials have been studied for hydrogen storage for decades, but they showed too low capacity at ambient temperature compared to target values for practical applications. This thesis includes two parts. First one is fundamental study of graphite oxides (GO) structure and properties. LÄS MER

  3. 3. Materials for Hydrogen storage and synthesis of new materials by hydrogenation

    Författare :Serhiy Luzan; Alexandr Talyzin; Yaroslav Filinchuk; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Fullerene C60; MOFs; CNTs; SWCNTs; PAHs; peapods; hydrogen; hydrogen storage; hydrogenation; adsorption; surface area; pore volume; spillover; nanoribbons; fragmentation; fysikalisk kemi; Physical Chemistry; fysik; Physics;

    Sammanfattning : The search for new materials for hydrogen storage is important for the development of future hydrogen energy applications. In this Thesis, it is shown that new materials with interesting properties can be synthesized by the reaction of hydrogen with various nanocarbon precursors. The thesis consists of two parts. LÄS MER

  4. 4. Vertical charge transport in conjugated polymers

    Författare :Vasyl Skrypnychuk; Alexandr Talyzin; Ellen Moons; Umeå universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; organic electronics; conjugated polymers; nanotechnology; nanoimprint lithography; graphene; P3HT; charge transport; X-ray diffraction; structure; crystallite orientation; Materials Science; materialvetenskap;

    Sammanfattning : Conjugated polymers are novel organic electronic materials highly important for organic photovoltaic applications. Charge transport is one of the key properties which defines the performance of conjugated polymers in electronic devices. LÄS MER