Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

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Titelei/Inhaltsverzeichnis Partial access Pages I - XIII Download chapter (PDF)
1. Motivation No access
2. Outline of the thesis No access
1. 1. Crystal and band structure of chalcopyrites No access
  2. Ternary chalcopyrites No access
  3. Diffusion processes in thin film systems No access
2. 1. Physics of single junction solar cells No access
  2. Ideal solar cell No access
  3. Real solar cells No access
  4. Band gap grading in CIGSSe solar cells No access
1. 1. Co-evaporation (CE) process No access
  2. Stacked elemental layer (SEL) process No access
2. 1. Optical and structural characterization techniques No access
  2. Electrical characterization No access
1. 1. Temperature dependent phase formation No access
  2. Phase formation with different Selenium supply No access
  3. Phase formation with a diffusion barrier layer at the back contact No access
  4. Influence of high temperature processes No access
2. 1. Temperature dependent phase formation No access
  2. Influence of different Se to S ratios No access
  3. Ex- and in-situ investigation of sulfur diffusion into CIGSe No access
Summary and prospects No access Pages 164 - 166
1. Introduction into SCAPS simulations No access
2. Derivation of Jgrad with the analytical approach No access