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대기중 안정한 MAPbI
3
에서의 Photo Seebeck 효과
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김유성, 박병남
Korean J. Met. Mater.
2023;61(2):91-97. Published online 2023 Jan 27
DOI:
https://doi.org/10.3365/KJMM.2023.61.2.91
Abstract
With increasing interest in energy harvesting using heat as a next-generation eco-friendly energy source, organic-inorganic perovskite materials have emerged as promising materials for thermoelectric devices. In particular, the photo-Seebeck effect of halide perovskite materials has attracted attention due to their wide optical absorption spectrum and large diffusion length, depending on.....
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MAPbBr
3
단결정 플레이크 리튬 이온 배터리 전극의 전환반응 및 합금화 반응을 통한 리튬이온 삽입/탈리
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강인석, 박병남
Korean J. Met. Mater.
2022;60(11):845-850. Published online 2022 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2022.60.11.845
Abstract
In this study, single-crystalline methylammonium lead tribromide (MAPbBr
3
, CH
3
NH
3
PbBr
3
) flakes with a higher theoretical specific capacity than methylammonium lead iodide (MAPbI
3
, CH
3
NH
3
PbI
3
), the prototype of organic/inorganic hybrid perovskite, were synthesized by the inverse temperature crystallization method. The combination of the additive-free electrophoretic deposition (EPD) system and the single crystal fabrication.....
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저온 소결 처리된 SnO
2
전자전달층을 가진 페로브스카이트 태양전지의 물성
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김호준, 이용욱, 오영준, 김광배, 송오성
Korean J. Met. Mater.
2022;60(7):545-550. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.545
Abstract
This study investigated the photovoltaic properties and microstructure of perovskite solar cells (PSCs) with an ITO/SnO
2
/perovskite/HTL/Au electrode configuration, developed with varying sintering temperatures (100~200°C). The goal was to use SnO
2
ink as the electron transport layer (ETL) by low-temperature sintering. TGA-DTA analysis was conducted to determine the optimum sintering temperature.....
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Web of Science 1
Crossref 2
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Ba-Sr-Co-Fe 산화물과 La-Sr-Mn 산화물 양극을 포함하는 Ni-Fe 기반 금속지지형 고체산화물 연료전지의 전기화학적 성능
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이상은, 박준서, 박희정
Korean J. Met. Mater.
2022;60(7):523-530. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.523
Abstract
Unlike conventional solid oxide fuel cells (SOFCs) where ceramic materials have been used as a support, in this study a new SOFC structure with a metal support and a contact layer between the support and anode is suggested. A mixture of Ni-Fe alloy and zirconia ceramics as the contact layer.....
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Web of Science 1
Crossref 1
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유무기 하이브리드 할라이드 페로브스카이트의 안정성 향상을 위한 연구 동향 리뷰
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설명진, 한정우, 황승환, 김수영
Korean J. Met. Mater.
2022;60(1):1-13. Published online 2021 Dec 10
DOI:
https://doi.org/10.3365/KJMM.2022.60.1.1
Abstract
Because of their superior optical, and electrical properties, lead halide perovskites have emerged as potential materials for light-emitting-diodes. However, some obstacles have yet to be overcome for practical applications including low exciton binding energy, the difficulty of fabricating uniform perovskite films,, and their instability to heat, light, and moisture. In.....
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Web of Science 6
Crossref 8
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A-site 조성 제어를 통한 FA기반 페로브스카이트의 상안정화 및 전단 코팅 최적화 연구
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김한솔, 구혜원, 송민주, 정중희, 오용준, 송창은, 홍기하
Korean J. Met. Mater.
2021;59(5):321-328. Published online 2021 Apr 6
DOI:
https://doi.org/10.3365/KJMM.2021.59.5.321
Abstract
Halide perovskite solar cells have been attracting tremendous attention as next-generation solar cell materials because of their excellent optical and electrical properties. Formamidinium lead tri-iodide (FAPbI
3
) exhibits the narrowest band gap among lead iodide perovskites and shows excellent thermal and chemical stability, also. However, the large-area coating of FAPbI
3
needed.....
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MAPbI
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구조를 기반으로 한 하이브리드 유무기 할라이드 페로브스카이트 구조의 합리적인 DFT 계산 방법 연구
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이진웅, 박운배
Korean J. Met. Mater.
2021;59(4):256-261. Published online 2021 Mar 24
DOI:
https://doi.org/10.3365/KJMM.2021.59.4.256
Abstract
Hybrid Organic-Inorganic Perovskites (HOIP) have received a great deal of attention as a key material for applications like solar cells and light emitting devices because of their many advantages, in spite of their stability and toxicity issues. Attempting to discover and characterize novel HOIPs using just an experimental approach would.....
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Web of Science 2
Crossref 4
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ZrO
2
전자전달층 두께에 따른 우레아 첨가 페로브스카이트 태양전지의 물성
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김광배, 송오성
Korean J. Met. Mater.
2021;59(1):67-72. Published online 2021 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.1.67
Abstract
The properties of 6 mM urea added perovskite solar cells (PSCs) according to ZrO
2
electron transport layer (ETL) thicknesses of 204, 221, 254, and 281 nm were examined. A solar simulator was used to characterize the photovoltaic properties of the cell. Optical microscopy and field emission scanning electron microscope were.....
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Web of Science 1
Crossref 1
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이중 전자전달층 페로브스카이트 태양전지의 ZrO
2
층 두께에 따른 물성 연구
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이혜령, 김광배, 송오성
Korean J. Met. Mater.
2020;58(1):59-66. Published online 2019 Dec 12
DOI:
https://doi.org/10.3365/KJMM.2020.58.1.59
Abstract
The photovoltaic properties of TiO
2
/ZrO
2
double electron transport layered perovskite solar cells were investigated based on the ZrO
2
layer thickness. Samples were fabricated with a glass/FTO/TiO
2
/ZrO
2
/ perovskite structure. The TiO2/ZrO
2
layer thickness ratio was confirmed to be 264/0, 228/168, 228/204, 270/242, and 282/288 nm, respectively, using an electron probe microanalyzer......
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Web of Science 7
Crossref 6
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페로브스카이트 태양전지의 최적 정공수송층 물질 및 구조 탐색 시뮬레이션
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정지영, 송동준, 최지혜, 정중희, 홍기하
Korean J. Met. Mater.
2019;57(8):535-542. Published online 2019 Jul 4
DOI:
https://doi.org/10.3365/KJMM.2019.57.8.535
Abstract
We investigated the effects of materials and the film thickness of hole transport layers (HTLs) on inverted type perovskite solar cells using optics-charge transport coupled simulations. Power conversion efficiencies (PCEs), and the variations in efficiency induced by the film thickness dispersion, were intensively studied, to compare potential HTLs candidates like.....
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Web of Science 3
Crossref 3
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TiO
2
의 GO 혼합 양에 따른 페로브스카이트 태양전지의 물성 연구
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이혜령, 김광배, 송오성
Korean J. Met. Mater.
2019;57(7):456-461. Published online 2019 Jun 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.7.456
Abstract
The photovoltaic properties of perovskite solar cells (PSCs) were investigated by adding graphene oxide (GO) to the electron transport layer of TiO
2
. The PSCs were fabricated with a glass/FTO/BL-TiO
2
/meso-TiO
2
+ GO/perovskite/HTL/Au electrode structure by adding various contents of GO (0.0, 0.3, 0.5 and 0.7 wt%) to the TiO
2
layer. To.....
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Web of Science 8
Crossref 6
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페로브스카이트 태양전지의 Au 열증착 조건에 따른 Hole Transport/Perovskite 층의 물성변화
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김광배, 박태열, 송오성
Korean J. Met. Mater.
2018;56(4):321-326. Published online 2018 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.4.321
Abstract
Changes in the properties of the hole transport layer (HTL) and the perovskite layer in a perovskite solar sell (PSC) were observed under various Au thermal evaporation conditions. We employed a conventional thermal evaporator with a distance of 30 cm between the source and substrate in a vacuum of 6.....
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