Search for dissertations about: "Ellen Moons"

Showing result 1 - 5 of 12 swedish dissertations containing the words Ellen Moons.

2. 1. Materials aspects in spin-coated films for polymer photovoltaics

   Author : Ana Sofia Anselmo; Ellen Moons; Krister Svensson; Jan van Stam; Paul Dastoor; Karlstads universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; materials science; photovoltaics; conjugated polymer; polymer solar cell; bulk heterojunction; coating; morphology; fullerene; photostability; degradation; X-ray absorption spectroscopy; synchroton-based techniques; Materialvetenskap; Materialvetenskap;

   Abstract : Polymer-based photovoltaics have the potential to contribute to boosting photovoltaic energy conversion overall. Besides allowing large-area inexpensive processing, polymeric materials have the added benefit of opening new market applications for photovoltaics due to their low-weight and interesting mechanical properties. READ MORE

4. 2. Thin films of polyfluorene:fullerene blends - Morphology and its role in solar cell performance

   Author : Cecilia Björström Svanström; Ellen Moons; Jean Manca; Karlstads universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Polymer Solar Cells; Polymer Blends; Morphology; Polyfluorene; PCBM; AFM; SIMS; Spin-Coating; Surface Directed Spinodal Decomposition; Physics; Fysik; Physics; Fysik;

   Abstract : The sun provides us daily with large quantities of energy in the form of light. With the world’s increasing demand of electrical energy the prospect of converting this solar light into electricity is highly tempting. In the strive towards mass-production and low cost solar cells, new types of solar cells are being developed, e.g. READ MORE

5. 3. 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

6. 4. Electronic Structure and Film Morphology Studies of PTCDI on Metal/Semiconductor Surfaces

   Author : Christian Emanuelsson; Hanmin Zhang; Lars Johansson; Ellen Moons; Mats Ahmadi Götelid; Karlstads universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; PTCDI; STM; LEED; XPS; UPS; NEXAFS; Organic Films; Semicondcutor Surfaces; Electronic Structure; Molecular Interactions; Film Morphology; Physics; Fysik;

   Abstract : Organic semiconductors have received increasing attention over the last decades as potential alternatives for inorganic semiconductors. The properties of these films are highly dependent on their structural order. READ MORE

7. 5. Interfacial Analysis and Charge Transfer in Solar Cells

   Author : Xinjian Geng; Jacinto Sá; Ellen Moons; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Perovskites; Charge Transport Layer; Plasmonics; Hot Carriers; Interfaces; Photoluminescence; Solar Cells; Chemistry with specialization in Physical Chemistry; Kemi med inriktning mot fysikalisk kemi;

   Abstract : Harnessing sunlight through solar cells is vital for sustainable energy production. The conventional architecture of a solar cell consists of multilayers of materials, each serving a particular function. The absorbing layer converts the solar energy into valuable electricity by the photovoltaic effect. READ MORE