Sökning: "triphenylamine"

Visar resultat 1 - 5 av 11 avhandlingar innehållade ordet triphenylamine.

  1. 1. Developing Environmentally Friendly Dye-sensitized Solar Cells

    Författare :Hanna Ellis; Gerrit Boschloo; Anders Hagfeldt; Erik Johansson; Aldo di Carlo; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; dye-sensitized solar cells; dye; cobalt; triphenylamine; titanium dioxide; aqueous; PEDOT; Chemistry with specialization in Physical Chemistry; Kemi med inriktning mot fysikalisk kemi;

    Sammanfattning : Due to climate change and its effects, alternative renewable energy sources are needed in the future human society. In the work of this thesis, the Dye-sensitized Solar Cell (DSC) has been investigated and characterized. LÄS MER

  3. 2. Design, Synthesis and Properties of Organic Sensitizers for Dye Sensitized Solar Cells

    Författare :Karl Martin Karlsson; Licheng Sun; Jaejung Ko; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Acceptor; chromophore; donor; dye; sensitized; energy level; HOMO LUMO; linker; phenoxazine; sensitizer; solar cell; triphenylamine; Chemistry; Kemi; Organic synthesis; Organisk syntes;

    Sammanfattning : This thesis gives a detailed description of the design and synthesis of new organic sensitizers for Dye sensitized Solar Cells (DSCs). It is divided in 7 chapters, where the first gives an introduction to the field of DSCs and the synthesis of organic sensitizers. LÄS MER

  4. 3. Alternative Redox Couples for Dye-Sensitized Solar Cells

    Författare :Sandra Feldt; Anders Hagfeldt; Gerrit Boschloo; Petra Cameron; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; redox mediator; triphenylamine; cobalt; ferrocene; titanium dioxide; regeneration; recombination; Physical Chemistry; Fysikalisk kemi;

    Sammanfattning : Dye-sensitized solar cells (DSCs) convert sunlight to electricity at a low cost. In the DSC, a dye anchored to a mesoporous TiO2 semiconductor is responsible for capturing the sunlight. LÄS MER

  5. 4. Synchrotron Radiation Studies of Molecular Building Blocks for Functional Materials

    Författare :Teng Zhang; Carla Puglia; Nils Martensson; Svante Svensson; Valeria Lanzilotto; Albano Cossaro; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Synchrotron radiation study; Functional materials; Molecular building blocks; Electron donor; 2D material; Gas-phase; Organic thin film; Electronic structure; Molecule-molecule interaction; Molecule-substrate interaction; Photoelectron spectroscopy; PES; XPS; Near edge X-ray absorption fine structure; NEXAFS; X-ray Absorption Spectroscopy; XAS; Au 111 ; Cu 111 ; Surface; Interface; Electronic structure; H-bonding; Cobalt phthalocyanine; CoPc; Triphenylamine; TPA; DPTA; m-MTDATA; Melamine; Biphenylene; Carbon nitride; Graphenylene; Density functional theory; DFT; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Sammanfattning : The research on new materials is a primary driving force for progress in human society. One of the most significant research topic nowadays is the development of new functional materials for technological applications, like perovskite implemented in solar cells, and graphene as a representative for the new 2D materials family. LÄS MER

  7. 5. Synthesis of Organic Chromophores for Dye Sensitized Solar Cells

    Författare :Daniel Hagberg; Licheng Sun; Elena Galoppini; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Acceptor; chromophore; donor; dye sensitized solar cells; HOMO and LUMO energy level tuning; linker; organic dye.; Chemical engineering; Kemiteknik;

    Sammanfattning :   This thesis deals with development and synthesis of organic chromophores for dye sensitized solar cells. The chromophores are divided into three components; donor, linker and acceptor. The development of efficient organic chromophores for dye sensitized solar cells starts off with one new organic chromophore, D5. LÄS MER