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https://scholarbank.nus.edu.sg/handle/10635/119906
DC Field | Value | |
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dc.title | CHARGE INJECTION CONTACTS IN ORGANIC SEMICONDUCTOR DEVICES | |
dc.contributor.author | DAGMAWI BELAINEH | |
dc.date.accessioned | 2015-06-12T18:00:15Z | |
dc.date.available | 2015-06-12T18:00:15Z | |
dc.date.issued | 2015-01-23 | |
dc.identifier.citation | DAGMAWI BELAINEH (2015-01-23). CHARGE INJECTION CONTACTS IN ORGANIC SEMICONDUCTOR DEVICES. ScholarBank@NUS Repository. | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/119906 | |
dc.description.abstract | ORGANIC SEMICONDUCTOR DEVICES COMPRISE ONE OR MORE ORGANIC SEMICONDUCTOR LAYERS ADJACENT TO CHARGE-INJECTION AND EXTRACTION CONTACTS. THIS THESIS FOCUSES ON DEVELOPING NEW UNDERSTANDING TO ACHIEVE BETTER CHARGE INJECTION CONTACTS. I STUDIED THE PROPERTIES OF A NEW HIGHLY-STABLE P-DOPED CONDUCTING POLYMER BLEND, POLY(3-METHOXYETHOXYETHOXYTHIOPHENE):POLY(4-HYDROXYSTYRENE) (S-P3MEET:PHOST) AND NEW P-DOPED CONDUCTING POLYMER BLENDS FORMULATED WITH PERFLUORINATED IONOMERS (PFIS), DEMONSTRATING THE RESILIENCE OF S-P3MEET:PHOST TO INJECTION-INDUCED DEDOPING WHICH LEADS TO CONDUCTIVITY FADING IN POLY(3,4-ETHYLENEDIOXYTHIOPHENE):POLY(STYRENESULFONIC ACID) (PEDT:PSSH). I ALSO SHOWED THAT WHILE SURFACE-SEGREGATION OF PFI CAN INCREASE WORKFUNCTION IN THE BLENDS, USING PEDT: PSSH: PFI AS MODEL, THIS DOES NOT ALWAYS BENEFIT HOLE INJECTION BECAUSE OF THE RESISTANCE ASSOCIATED WITH THE MOLECULARLY-THIN PFI OVERLAYER. I ALSO STUDIED THE SYSTEMATIC ?TUNING? OF THE WORKFUNCTION OF STABLE CU METAL AND I | |
dc.language.iso | en | |
dc.subject | charge injection, workfunction, conductivity, ohmic, copper | |
dc.type | Thesis | |
dc.contributor.department | PHYSICS | |
dc.contributor.supervisor | HO KIAN HOON, PETER | |
dc.contributor.supervisor | CHUA LAY-LAY | |
dc.description.degree | Ph.D | |
dc.description.degreeconferred | DOCTOR OF PHILOSOPHY | |
dc.identifier.isiut | NOT_IN_WOS | |
Appears in Collections: | Ph.D Theses (Open) |
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BelainehD.pdf | 4.16 MB | Adobe PDF | OPEN | None | View/Download |
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