Plasmonic forward light scattering effect of size-controlled silver nanoparticles in organic photovoltaics크기가 조절된 은 나노 입자의 플라즈모닉 전방 빛 산란 효과를 이용한 유기태양전지에 관한 연구

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dc.contributor.advisorLee, Jung-Yong-
dc.contributor.advisor이정용-
dc.contributor.authorBaek, Se-Woong-
dc.contributor.author백세웅-
dc.date.accessioned2013-09-12T02:03:18Z-
dc.date.available2013-09-12T02:03:18Z-
dc.date.issued2013-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=514767&flag=dissertation-
dc.identifier.urihttp://hdl.handle.net/10203/181055-
dc.description학위논문(석사) - 한국과학기술원 : EEWS대학원, 2013.2, [ v, 61 p. ]-
dc.description.abstractIn this report, plasmonic effects in organic photovoltaic cells are systematically analyzed using the size-controlled silver nanoparticles (AgNPs, diameter : 10~100nm), which were incorporated into the anodic buffer layer, poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS). We found that the optical property of AgNPs tuned by the size had considerable influence on the device performances. We verified the size-dependent scattering properties of the AgNPs with visualized AgNPs by NSOM (Near-field optical microscope) and analytic optical simulation. In addition, we found that the external quantum efficiency (EQE) was significantly enhanced near the LSPP with the absorption enhancement due to the plasmonic scattering effect. Significant EQE reduction when the sizes were bigger that 70nm caused by back scattering effects. The power conversion efficiency (PCE) approaching 7.6% was achieved from 6.4% of control devices in poly(N-9 -hept-decanyl-2,7-carbazole-alt-5,5-(4,7-di-2-thienyl-2,1,3-benzothiadiazole) (PCDTBT) : [6,6]-phenyl-C71-butyric acid methyl ester (PC70BM) based-OPVs with AgNPs (diameter : 67nm) embedded. Finally, we analyzed the origin of plasmonic scattering effects by comparing experimental results and optical simulations and suggested how to utilize the LSPP of MNPs as an optical engineering tool in OPVs.eng
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectLocalized surface plasmonic polaritons-
dc.subjectMetal nanoparticles-
dc.subjectOrganic solar Cells-
dc.subjectOptical engineering-
dc.subject표면 플라즈몬 공명-
dc.subject금속 나노 입자-
dc.subject유기태양전지-
dc.subject광공학기술-
dc.subject전방 빛 산란효과-
dc.subjectForward light scattering-
dc.titlePlasmonic forward light scattering effect of size-controlled silver nanoparticles in organic photovoltaics-
dc.title.alternative크기가 조절된 은 나노 입자의 플라즈모닉 전방 빛 산란 효과를 이용한 유기태양전지에 관한 연구-
dc.typeThesis(Master)-
dc.identifier.CNRN514767/325007 -
dc.description.department한국과학기술원 : EEWS대학원, -
dc.identifier.uid020114381-
dc.contributor.localauthorLee, Jung-Yong-
dc.contributor.localauthor이정용-
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EEW-Theses_Master(석사논문)
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