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Effect of Sulfur Contents in NiZnS Composite Photocatalysts on Solar Water Splitting
황 함량 변화가 NiZnS 복합광촉매의 태양광 물분해 효율에 미치는 영향
Joo Hyun Kim, Eun seon Kang, Jung Hyeun Kim
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..... More

                   Crossref 1
Fabrication of Ruthenium-Based Transition Metal Nanoparticles/Reduced Graphene Oxide Hybrid Electrocatalysts for Alkaline Water Splitting
루테늄 기반 전이금속 나노입자/환원된 산화그래핀 혼성체를 이용한 알칼리 수전해 촉매 합성
Eun Been Lee, Seung Geun Jo, Sang Jun Kim, Gil-Ryeong Park, Jung Woo Lee
이은빈, 조승근, 김상준, 박길령, 이정우
Korean J. Met. Mater. 2023;61(3):190-197.   Published online 2023 Feb 24
DOI: https://doi.org/10.3365/KJMM.2023.61.3.190

Abstract
Green hydrogen has attracted significant attention as one of the future energy sources because no greenhouse gases are emitted during production and its energy density is much higher than fossil fuels. Precious metals such as platinum (Pt) and iridium (Ir)-based catalysts are commonly used for water splitting catalysts. However, because..... More

                   Web of Science 2  Crossref 3
Bandgap Reduction and Enhanced Photoelectrochemical Water Electrolysis of Sulfur-doped CuBi<sub>2</sub>O<sub>4</sub> Photocathode
Eunhwa Kim, Sanghan Lee, Sangwoo Ryu
Korean J. Met. Mater. 2023;61(2):115-119.   Published online 2023 Jan 27
DOI: https://doi.org/10.3365/KJMM.2023.61.2.115

Abstract
As interest in hydrogen energy grows, eco-friendly methods of producing hydrogen are being explored. CuBi2O4 is one of the p-type semiconductor cathode materials that can be used for photoelectrochemical hydrogen production via environment-friendly water electrolysis. CuBi2O4 has a bandgap of 1.5 – 1.8 eV which allows it to photogenerate electrons..... More

                
Manufacturing Cu<sub>x</sub>Zn<sub>1-x</sub>S Photocatalysts and Their Solar H<sub>2</sub> Production Characteristics with Varying Cu Content
구리함량 변화에 따른 CuxZn1-xS 광촉매 제조 및 태양광 물분해 수소 생산 특성 연구
Soojin Kahng, Jung Hyeun Kim
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..... More

                   Web of Science 6  Crossref 5
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