Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/119289
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dc.titleRear Local Contact Formation for High-efficiency Crystalline Silicon Wafer Solar Cells
dc.contributor.authorCHEN JIA
dc.date.accessioned2015-03-31T18:02:03Z
dc.date.available2015-03-31T18:02:03Z
dc.date.issued2014-07-30
dc.identifier.citationCHEN JIA (2014-07-30). Rear Local Contact Formation for High-efficiency Crystalline Silicon Wafer Solar Cells. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/119289
dc.description.abstractFor advanced silicon wafer solar cell architectures, local contacts are increasingly used at the rear to minimize surface recombination losses. In this thesis the local contact formation for p-type Al-LBSF (Aluminium Local Back Surface Field) solar cells and n-type PERT (Passivated Emitter Rear Total diffused) solar cells is investigated in detail. For p-type Al-LBSF cells, it is found that the rear local opening pattern and Al thickness have a significant impact on the formation of voids at the rear local contact, resulting in increased recombination and resistive losses. For n-type PERT cells, the emitter saturation current at the rear local contact is increased after laser ablation, and is injection-level dependent. Limitations of different methods to determine the series resistance of Al-LBSF solar cells are also discussed. A severe underestimation of the series resistance of these cells due to an injection-level dependent saturation current is observed for several of these methods.
dc.language.isoen
dc.subjectSOLAR CELL, N-PERT, AL-LBSF, LOCAL CONTACT
dc.typeThesis
dc.contributor.departmentNUS GRAD SCH FOR INTEGRATIVE SCI & ENGG
dc.contributor.supervisorABERLE, ARMIN GERHARD
dc.description.degreePh.D
dc.description.degreeconferredDOCTOR OF PHILOSOPHY
dc.identifier.isiutNOT_IN_WOS
Appears in Collections:Ph.D Theses (Open)

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