(The) effect of interface passivation on structural and electric properties in kesterite $Cu_2ZnSnSe_4$ (CZTS) thin film solar cells = $Cu_2ZnSnSe_4$ (CZTS) 상하부 계면의 패시베이션과 이를 이용한 태양 전지의 구조적, 전기적 특성 연구

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dc.contributor.advisorShin, Byungha-
dc.contributor.advisor신병하-
dc.contributor.authorKim, Jekyung-
dc.contributor.author김제경-
dc.date.accessioned2017-03-29T02:35:31Z-
dc.date.available2017-03-29T02:35:31Z-
dc.date.issued2016-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=657606&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/221585-
dc.description학위논문(석사) - 한국과학기술원 : 신소재공학과, 2016.2 ,[vii, 65 p. :]-
dc.description.abstractThe $Cu_2ZnSnSe_4$ (CZTS) thin film solar cell has drawn significant attention due to its earth-abundant and non-toxic constituents as a solar cell absorber. CZTS, however, possesses intrinsic drawbacks including phase insta-bility, secondary phases, and defects that harm the device performance. Considering the ease of processing con-ditions to achieve CZTS with a pure-phase, CZTS solar cells were prepared by thermal co-evaporation. The an-nealing conditions including temperature and Se vapor were adjusted in such a way to suppress the Sn-loss and to reduce the thickness of $MoSe_2$. Also, CdS thickness was controlled to improve the incident light collection. Afterwards, we focused on passivating the interface of CZTS - both a front CZTS surface and a back CZTS/Mo interface - to reduce the interfacial recombination accounting for the large open-circuit deficit in most of CZTS solar cells. Structural and electrical properties were studied using scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDS), x-ray diffraction technique (XRD), J-V and external quantum efficiency measurement (EQE), and low-temperature photoluminescence (PL) analysis. The effect of interface passivation in correlation with the device performance were studied as well.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectkesterite-
dc.subjectthin film solar cells-
dc.subjectinterface passivation-
dc.subject케스터라이트-
dc.subject박막 태양전지-
dc.subject계면 패시베이션-
dc.title(The) effect of interface passivation on structural and electric properties in kesterite $Cu_2ZnSnSe_4$ (CZTS) thin film solar cells = $Cu_2ZnSnSe_4$ (CZTS) 상하부 계면의 패시베이션과 이를 이용한 태양 전지의 구조적, 전기적 특성 연구-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :신소재공학과,-
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