Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/141925
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dc.titleCOMBINED PROCESS AND DEVICE SIMULATIONS TO SUPPORT BBR3 TUBE FURNACE DIFFUSION PROCESS OPTIMIZATION FOR INDUSTRIAL HIGH-EFFIICENCY N-TYPE CRYSTALLINE SILICON SOLAR CELLS
dc.contributor.authorLI MENGJIE
dc.date.accessioned2018-05-14T18:00:16Z
dc.date.available2018-05-14T18:00:16Z
dc.date.issued2018-01-22
dc.identifier.citationLI MENGJIE (2018-01-22). COMBINED PROCESS AND DEVICE SIMULATIONS TO SUPPORT BBR3 TUBE FURNACE DIFFUSION PROCESS OPTIMIZATION FOR INDUSTRIAL HIGH-EFFIICENCY N-TYPE CRYSTALLINE SILICON SOLAR CELLS. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/141925
dc.description.abstractThis thesis focuses on the development of a predictive simulation framework which supports process optimization for BBr3 diffusion and improves the efficiency of silicon solar cells. Five main topics are investigated: a. A Sentaurus TCAD process simulation program is developed and calibrated by experiments. b. The passivation of heavily diffused p+ silicon surfaces is characterized. c. A systematic method to quantify the metallization-induced recombination losses on heavily diffused p+ silicon surfaces is developed, which involves intensity-dependent photoluminescence imaging and image processing with Griddler-AI. d. The experimentally observed microscopic metal-Si interface is studied by 2D unit-cell simulations. e. Combining the developed process and device simulations, cell efficiency improvements due to processing changes are quantified as a function of the process parameters. Experimentally, the efficiency of n-type bifacial front and back contacted silicon solar cells with screen-printed contacts is improved from 18.9 ± 0.5% to 20.8 ± 0.5%.
dc.language.isoen
dc.subjectSilicon solar cells, boron diffusion, process simulation, device simulation, metal contact recombination, photoluminescence imaging
dc.typeThesis
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.supervisorSamudra, Ganesh S
dc.contributor.supervisorAberle, Armin Gerhard
dc.contributor.supervisorBram Hoex
dc.contributor.supervisorThomas Mueller
dc.description.degreePh.D
dc.description.degreeconferredDOCTOR OF PHILOSOPHY (FOE)
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