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Hittade 4 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Synthesis of CdZnS by Chemical Bath Deposition for Thin Film Solar Cells

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Fasta tillståndets elektronik

    Författare :Emil Fjällström; [2017]
    Nyckelord :CdZnS; Chemical Bath Deposition; Thin film solar cells; CZTS; CIGS;

    Sammanfattning : The buffer layer is a crucial component in thin film solar cells. Defects at the interface between absorber and buffer layer lead to high recombination rate and the band structure at the interface highly affects the performance of the solar cell. LÄS MER

  2. 2. Optimering av CdS-buffertlager för alkalibehandlade CIGS-solceller

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Fasta tillståndets elektronik

    Författare :Emma Nygårds; [2017]
    Nyckelord :Solceller; CIGS; CdS;

    Sammanfattning : An increase in conversion efficiency of CIGS thin film solar cells has been reached at Ångström Solar Center (ÅSC) due to an introduction of a post-deposition-treatment (PDT) with potassium fluoride (KF) on the CIGS absorber layer. The PDT will however affect the growth of the cadmium sulfide (CdS) buffer layer normally deposited on the CIGS layer. LÄS MER

  3. 3. Ammonia free CdS buffer layerfor Cu(In,Ga)Se2 solar cells by chemical bath deposition

    Uppsats för yrkesexamina på avancerad nivå, Fasta tillståndets elektronik

    Författare :Daniel Hedlund; [2013]
    Nyckelord :CIGS; CBD; Ammonia free; solar cell;

    Sammanfattning : The buffer layer in Cu(In,Ga)Se2 solar cells can improve cell performance. In this work we make CdS buffer layer by chemical bath deposition (CBD) without ammonia. CBD without ammonia were sought out since ammonia is a volatile compound. LÄS MER

  4. 4. Growth and Characterization of ZnO Nanostructures

    Master-uppsats, Institutionen för fysik, kemi och biologi

    Författare :Abdul Samad Syed; [2011]
    Nyckelord :PL photoluminescence ; Zinc Oxide ZnO ; optical properties; temperature dependent PL; Low temperature PL; Nanostructure; epitaxial film;

    Sammanfattning : A close relation between structural and optical properties of any semiconductor material does exist. An adequate knowledge and understanding of this relationship is necessary for fabrication of devices with desired optical properties. LÄS MER