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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Ni-Fe bimetallic oxides 촉매의 CO, NO 가스상 오염물질 동시저감 특성
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김운기, 정재일, 이명진, 정보라, 예보라, 이희수, 김홍대
Korean J. Met. Mater.
2024;62(2):115-124. Published online 2024 Jan 30
DOI:
https://doi.org/10.3365/KJMM.2024.62.2.115
Abstract
Many studies have been conducted on methods to remove air pollutants. Among them, a representative commercial technology for reducing nitrogen oxides (NO
X
) is selective catalytic reduction (SCR) using NH
3
as a reductant. However, the NH
3
-SCR technology has problems, such as the need for additional NH
3
gas (Active-SCR), the fact that.....
More
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황 함량 변화가 NiZnS 복합광촉매의 태양광 물분해 효율에 미치는 영향
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김주현, 강은선, 김정현
Korean J. Met. Mater.
2023;61(4):284-290. Published online 2023 Mar 22
DOI:
https://doi.org/10.3365/KJMM.2023.61.4.284
Abstract
Solar energy is attracting much attention as an eco-friendly source for future energy needs. Herein, NiZnS photocatalysts were synthesized with a hydrothermal method at various sulfur contents. The ZnS material is widely used as a photocatalyst because of its high stability, low toxicity, and excellent charge separation characteristics. Nickel is.....
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고분자 전해질 연료전지의 산소환원반응에 대한 Pt-M 합금 촉매의 최근 연구 동향
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심유진, 정원석
Korean J. Met. Mater.
2021;59(10):741-752. Published online 2021 Sep 6
DOI:
https://doi.org/10.3365/KJMM.2021.59.10.741
Abstract
Due to environmental pollution and global warming, research on new energy sources that can replace fossil fuels is important. A fuel cell is an eco-friendly energy conversion system that discharges water, and uses hydrogen as fuel. Although platinum is a widely used catalyst in PEMFCs, it has commercial limitations because.....
More
Crossref 2
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Al과 SnO
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혼합 분말을 사용한 일차원 Al과 Al
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나노/마이크로구조의 저온 성장
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이근형
Korean J. Met. Mater.
2021;59(9):677-681. Published online 2021 Aug 4
DOI:
https://doi.org/10.3365/KJMM.2021.59.9.677
Abstract
One-dimensional Al and Al
2
O
3
nano/microstructures were fabricated via thermal oxidation of Al and SnO
2
powder mixtures at temperatures below the melting point of Al (660 oC). Furthermore, the synthesis process was carried out in air at atmospheric pressure, which made the process very simple and easy. Sn metal particles with.....
More
Web of Science 1
Crossref 1
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Korean J. Met. Mater.
2021;59(7):491-498. Published online 2021 Jun 16
DOI:
https://doi.org/10.3365/KJMM.2021.59.7.491
Abstract
Transition-metal-based layered double hydroxides (LDHs) have attracted substantial attention as highly efficient oxygen evolution reaction (OER) catalysts because they are earth-abundant, low-cost, and environmentally friendly materials with favorable adsorption/desorption energies for intermittent reactants. However, the application of these LDHs as high-performance electrocatalysts is often hindered by their relatively sluggish electronic.....
More
Web of Science 5
Crossref 6
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구리함량 변화에 따른 Cu
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Zn
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S 광촉매 제조 및 태양광 물분해 수소 생산 특성 연구
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강수진, 김정현
Korean J. Met. Mater.
2020;58(12):907-914. Published online 2020 Dec 4
DOI:
https://doi.org/10.3365/KJMM.2020.58.12.907
Abstract
Solar water splitting is an attractive method for producing hydrogen from renewable natural resources, and heterostructure photocatalysts have been widely investigated for photocatalytic applications. Hetero-component photocatalysts can reduce the charge recombination process by improving electron utilization, and are considered promising candidates for solar water splitting. Amongst various heterostructure systems, combinations.....
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Web of Science 5
Crossref 4
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전기화학촉매의 제일원리 계산 및 하이스루풋 스크리닝 연구 동향: 리뷰
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이창수, 방기훈, 홍두선, 이혁모
Korean J. Met. Mater.
2019;57(1):1-9. Published online 2018 Dec 14
DOI:
https://doi.org/10.3365/KJMM.2019.57.1.1
Abstract
There are many ongoing efforts to develop sustainable, clean, efficient, and economical pathways to produce renewable energy sources to satisfy worldwide energy demands. Electrochemical conversion processes, such as water splitting, CO2 conversion and N2 electroreduction, have been considered as successful approaches to solve these energy issues. Over the past decade,.....
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Web of Science 5
Crossref 7
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Ni 박막 위 20 nm급 고정렬 Pt 크로스-바 구조물의 형성 방법
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박태완, 정현성, 조영래, 이정우, 박운익
Korean J. Met. Mater.
2018;56(12):910-914. Published online 2018 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.12.910
Abstract
Since catalyst technology is one of the promising technologies to improve the working performance of next generation energy and electronic devices, many efforts have been made to develop various catalysts with high efficiency at a low cost. However, there are remaining challenges to be resolved in order to use the.....
More
Crossref 3
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Korean J. Met. Mater.
2018;56(12):900-909. Published online 2018 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.12.900
Abstract
A ZnO/TiO2 photocatalyst decorated with PbS quantum dots (QDs) was synthesized to achieve high photocatalytic efficiency for the decomposition of dye in aqueous media. A TiO2 porous layer, as a precursor photocatalyst, was fabricated using micro-arc oxidation, and exhibited irregular porous cells with anatase and rutile crystalline structures. Then, a.....
More
Crossref 11
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염료감응형 태양전지용 니켈실리사이드 촉매재료의 물성 연구
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박태열, 김광배, 송오성
Korean J. Met. Mater.
2017;55(6):440-445. Published online 2017 Jun 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.6.440
Abstract
We have investigated the properties of nickel silicides as catalysts for dye-sensitized solar cells (DSSCs) by preparing several nickel silicide layers with a 100 nm-Ni/Si (100) structure using silicidation annealing for 30 minutes at 300 ℃ – 900 ℃. X-ray diffraction (XRD), four-point probe, field emission scanning electron microscope (FE-SEM),.....
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Crossref 1
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Korean J. Met. Mater.
2017;55(4):264-273. Published online 2017 Apr 6
DOI:
https://doi.org/10.3365/KJMM.2017.55.4.264
Abstract
In this study, a spray drying system was used to prepare macroporous titania micro-particles for applications including UV blocking materials and photocatalysts. To synthesize the macroporous particles a colloidal templating method using polymeric beads as sacrificial templates and a titania nano-colloid as precursor material was adopted. The resulting porous titania.....
More
Crossref 1
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