Search for dissertations about: "thin film photovoltaics"

Showing result 1 - 5 of 18 swedish dissertations containing the words thin film photovoltaics.

  2. 1. By Means of Beams : Laser Patterning and Stability in CIGS Thin Film Photovoltaics

    Author : Per-Oskar Westin; Marika Edoff; Uwe Zimmermann; Lars Stolt; Friedrich Kessler; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Laser patterning; laser ablation; laser micro-welding; stability; Cu InGa Se2; CIGS; thin film solar cells; thin film photovoltaics; module technology; solar energy; Electronics; Elektronik; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Abstract : Solar irradiation is a vast and plentiful source of energy. The use of photovoltaic (PV) devices to convert solar energy directly to electrical energy is an elegant way of sustainable power generation which can be distributed or in large PV plants based on the need. READ MORE

  4. 2. Sputtering-based processes for thin film chalcogenide solar cells on steel substrates

    Author : Patrice Bras; Charlotte Platzer-Björkman; Eric Jaremalm; Jan Sterner; Veronica Bernudez; Uppsala universitet; []
    Keywords : CIGS; CZTS; solar cell; photovoltaics; thin film; sputtering; annealing; gallium grading; blister; uniformity; stainless steel; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Abstract : Thin film chalcogenide solar cells are promising photovoltaic technologies. Cu(In,Ga)Se2 (CIGS)-based devices are already produced at industrial scale and record laboratory efficiency surpasses 22 %. Cu2ZnSn(S,Se)4 (CZTS) is an alternative material that is based on earth-abundant elements. READ MORE

  5. 3. Electrical and optical properties of thin film SnO2 and SnO2:F : transparent electrodes in organic photovoltaics

    Author : Carla Daniele Canestraro; Clas Persson; Jens Tellefsen; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Material physics with surface physics; Materialfysik med ytfysik;

    Abstract : .... READ MORE

  6. 4. Reactive sputtering and composition measurements of precursors for Cu2ZnSnS4 thin film solar cells

    Author : Tove Ericson; Charlotte Platzer-Björkman; Tomas Kubart; Marika Edoff; Anders Hallén; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cu2ZnSnS4; Kesterite; Reactive sputtering; Process curve; Photovoltaics; Composition measurments; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Abstract : Cu2ZnSnS4 (CZTS) is a thin film solar cell material that only contains abundant elements and for which promising conversion efficiencies of 9.2 % have been shown. In this thesis composition measurements and reactive sputtering of precursors for CZTS films have been studied. These precursors can be annealed to create high quality CZTS films. READ MORE

  7. 5. Probing the effects of photodegradation of acceptor materials in polymer solar cells: bulk, surface, and molecular level

    Author : Vanja Blazinic; Ellen Moons; Leif Ericsson; Thomas Wågberg; Karlstads universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; photovoltaics; polymer solar cell; conjugated polymers; fullerene; photo-oxidation; spectroscopy; Physics; Fysik;

    Abstract : Polymer solar cells (PSC) have reached record power conversion efficiencies of over 15%. The operational lifetime of PSCs, however, has to increase for their use in large area outdoor applications. READ MORE