{"91861":{"#nid":"91861","#data":{"type":"event","title":"(09-0619) Dr. Hagen Klauk, COPE Seminar Series","body":[{"value":"\u003Cp\u003EDr. Hagen Klauk, Max Planck Institute for Solid State Research, Stuttgart, Germany\n\u003C\/p\u003E\n\u003Cp\u003EOrganic Nanoelectronics\n\u003C\/p\u003E\n\u003Cp\u003ECOPE Seminar Series\n\u003C\/p\u003E\n\u003Cp\u003ESystems on Plastic (SoP), such as flexible displays, require field\u00e2\u0080\u0027effect transistors that can be manufactured at temperatures below about 150 \u00c2\u00b0C, to be compatible with plastic substrates. Such low\u00e2\u0080\u0027temperature transistors can be made using conjugated organic semiconductors, semiconducting carbon nanotubes, or inorganic semiconducting nanowires. However, most organic transistors and many of the nanotube and nanowire transistors developed to date employ relatively thick gate dielectrics with a capacitance typically below 0.3 \u00c2\u00b5F\/cm\u003Csup\u003E2\u003C\/sup\u003E, so the transistors usually require operating voltages of more than 5 V. In order to take full advantage of low\u00e2\u0080\u0027voltage (\u0026lt;3 V), high\u00e2\u0080\u0027efficiency (\u0026gt;100 lm\/W) organic light\u00e2\u0080\u0027emitting diodes (OLEDs) for the realization of ultra\u00e2\u0080\u0027low\u00e2\u0080\u0027power flexible emissive displays, field\u00e2\u0080\u0027effect transistors that can be operated with 3 V or less are needed. This requires a low\u00e2\u0080\u0027temperature\u00e2\u0080\u0027processable gate dielectric with a capacitance greater than about 0.5 \u00c2\u00b5F\/cm\u003Csup\u003E2\u003C\/sup\u003E. A promising approach is the combination of a thin plasma\u00e2\u0080\u0027grown metal oxide and a molecular self-assembled monolayer. These hybrid dielectrics are prepared at temperatures below 100 \u00c2\u00b0C, have a thickness of about 5 to 6 nm (depending on the plasma power and the choice of the self\u00e2\u0080\u0027assembling molecules), and provide a capacitance close to 1 \u00c2\u00b5F\/cm\u003Csup\u003E2\u003C\/sup\u003E that allows transistors as well as unipolar and complementary logic circuits based on organic semiconductors, carbon nanotubes, and inorganic nanowires to operate with voltages between 2 and 3 V.\n\u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"Dr. Hagen Klauk, Max Planck Institute for Solid State Research, Stuttgart, Germany\n\nOrganic Nanoelectronics\n\nCOPE Seminar Series","format":"limited_html"}],"field_summary_sentence":[{"value":"Dr. Hagen Klauk, Max Planck Institute"}],"uid":"27275","created_gmt":"2009-06-09 00:00:00","changed_gmt":"2016-10-08 01:50:29","author":"Shirley Tomes","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2009-06-19T12:00:00-04:00","event_time_end":"2009-06-19T13:00:00-04:00","event_time_end_last":"2009-06-19T13:00:00-04:00","gmt_time_start":"2009-06-19 16:00:00","gmt_time_end":"2009-06-19 17:00:00","gmt_time_end_last":"2009-06-19 17:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"related_links":[{"url":"http:\/\/www.cope.gatech.edu\/","title":"COPE"}],"groups":[{"id":"85951","name":"School of Chemistry and Biochemistry"}],"categories":[],"keywords":[{"id":"5191","name":"theoretical chemistry"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cstrong\u003EShirley Tomes\u003C\/strong\u003E\u003Cbr \/\u003EChemistry \u0026amp; Biochemistry\u003Cbr \/\u003E\u003Ca href=\u0022http:\/\/www.gatech.edu\/contact\/index.html?id=st81\u0022\u003EContact Shirley Tomes\u003C\/a\u003E\u003Cbr \/\u003E\u003Cstrong\u003E404-894-0591\u003C\/strong\u003E","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}