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High Efficiency n-type Monocrystalline Silicon Solar Cells
 Mojrová, Barbora ; Kolařík, Vladimír (oponent) ; Poruba,, Aleš (oponent) ; Boušek, Jaroslav (vedoucí práce)
This dissertation is deals with searching and verifying of new processes contributing towards increase in efficiency of bifacial solar cells based on monocrystalline silicon n-type material. This work brings new knowledge about improvements in processes and methods used during its production at the ISC Konstanz. Within this work high efficiency n-type PERT (Passivated Emitter Rear Totally diffused) solar cells were made using standard mass-production facilities as in industrial production. This allows to show possibility of production high-quality n-type solar cells using almost the same equipment as for p-type solar cells. The efficiency increase was based on enhancing and balancing of individual production steps which were the same as in standard mass-production. Experiments described in this work vouch for the improvements in boron diffusion process, adjusting the passivation layer composition and its properties to new emitter design, and changes in metallization in term of using pure silver paste for emitter metallization, printing layout, and firing sequences. The structure and composition of ARC and passivation layer was investigated to reduce the process of Potential Induced Degradation (PID). The highest efficiency of the produced photovoltaics cells based on n-type material and made at standard process-line was 20. 9 %.
Úplný záznam
High Efficiency n-type Monocrystalline Silicon Solar Cells
 Mojrová, Barbora ; Kolařík, Vladimír (oponent) ; Poruba,, Aleš (oponent) ; Boušek, Jaroslav (vedoucí práce)
This dissertation is deals with searching and verifying of new processes contributing towards increase in efficiency of bifacial solar cells based on monocrystalline silicon n-type material. This work brings new knowledge about improvements in processes and methods used during its production at the ISC Konstanz. Within this work high efficiency n-type PERT (Passivated Emitter Rear Totally diffused) solar cells were made using standard mass-production facilities as in industrial production. This allows to show possibility of production high-quality n-type solar cells using almost the same equipment as for p-type solar cells. The efficiency increase was based on enhancing and balancing of individual production steps which were the same as in standard mass-production. Experiments described in this work vouch for the improvements in boron diffusion process, adjusting the passivation layer composition and its properties to new emitter design, and changes in metallization in term of using pure silver paste for emitter metallization, printing layout, and firing sequences. The structure and composition of ARC and passivation layer was investigated to reduce the process of Potential Induced Degradation (PID). The highest efficiency of the produced photovoltaics cells based on n-type material and made at standard process-line was 20. 9 %.
Úplný záznam

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