Investigation of RbF post-deposition treatment onto $Cu(In,Ga)Se_2$ thin-films and solar cells = 루비듐 처리가 $Cu(In,Ga)Se_2$ 광흡수층과 태양전지에 미치는 영향에 대한 연구

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The effects induced by alkali elements are responsible for the last decade of significant efficiency increase in CIGS world record cells. The last world record publication revealed that cells treated by RbF post-deposition treatment (PDT) outperform those treated with KF, which is the previous record cells. Nevertheless, little is known about the fundamentals of RbF-PDT on the material and electrical properties of the three-stage co-evaporated CIGS solar devices from the literature. In this work, we investigate the impact of RbF post-deposition treatment (PDT) on the material and device properties of $Cu(In,Ga)Se_2$ (CIGS) thin-film solar cells. An optimum of the PDT is found increasing the efficiency by about 0.8% compared to our Rb-free reference. We also investigate the compositional and morphological modifications due to RbF-PDT using Scanning electron microscopy (SEM), grazing incidence X-ray diffraction (GIXRD) and secondary ion mass spectrometry (SIMS). Moreover, we observe a enhancement of electrical properties by photoluminescence spectroscopy (PL) and drive-level capacitance profiling (DLCP).
Advisors
Shin, Byungharesearcher신병하researcher
Description
한국과학기술원 :신소재공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 신소재공학과, 2018.2,[iii, 42 p. :]

Keywords

$Cu(In,Ga)Se_2$▼athin-film▼aco-evaporation▼asolar cell▼apost-deposition treatment▼aalkali-doping; $Cu(In,Ga)Se_2$▼a태양전지▼a무기박막▼a동시진공증발증착법▼a알칼리 도핑

URI
http://hdl.handle.net/10203/266468
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733919&flag=dissertation
Appears in Collection
MS-Theses_Master(석사논문)
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