{"590469":{"#nid":"590469","#data":{"type":"event","title":"Ph.D. Dissertation Defense - Eunhwan Cho","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003ETitle\u003C\/strong\u003E\u003Cem\u003E:\u0026nbsp; \u003C\/em\u003E\u003Cem\u003EFabrication and Modeling of High Efficiency and Stabilized p-type Passivated Emitter Rear Silicon Solar Cells (PERC)\u003C\/em\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ECommittee:\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Ajeet Rohatgi, ECE, Chair , Advisor\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Thomas Gaylord, ECE\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Bernard Kippelen, ECE\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Andrew Peterson, ECE\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Hao-Min Zhou, Math\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EAbstract: \u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThe objective of this research is to achieve low-cost high-efficiency commercial-ready passivated emitter rear solar cells (PERC). Two specific aims are: 1) modeling and fabrication of high efficiency solar cells to reduce module cost for a given power output, and 2) reducing or eliminating of the widely observed light-induced degradation in PERC cells to increase power output for a given time. In the first part, fabrication of high-efficiency commercial-ready solar cells is achieved by technology innovations such as ion-implantation, multi-busbar, new screen design, field effect passivation by negative charge injection and selective emitter. Also, a practical and manufacturable PERC cell efficiency roadmap is established by Sentaurus 2D device modeling. In the second part, indium doped PERC solar cells are fabricated to eliminate light-induced degradation, since the source of degradation is boron-oxygen complexes in the boron doped p-type wafer. Also, a regeneration treatment to deactivate boron-oxygen complexes by appropriate light and heat exposure is developed to achieve stabilized boron-doped PERC solar cells.\u0026nbsp;\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Fabrication and Modeling of High Efficiency and Stabilized p-type Passivated Emitter Rear Silicon Solar Cells (PERC)"}],"uid":"28475","created_gmt":"2017-04-14 19:45:28","changed_gmt":"2017-04-14 19:45:28","author":"Daniela Staiculescu","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2017-04-28T15:00:00-04:00","event_time_end":"2017-04-28T17:00:00-04:00","event_time_end_last":"2017-04-28T17:00:00-04:00","gmt_time_start":"2017-04-28 19:00:00","gmt_time_end":"2017-04-28 21:00:00","gmt_time_end_last":"2017-04-28 21:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"434381","name":"ECE Ph.D. Dissertation Defenses"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"},{"id":"1808","name":"graduate students"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}