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Transition Metal Dichalcogenide WS<sub>2</sub> Films Prepared with a Combination of Spin/Dip Coating and CVD
Woon-Seop Choi
Korean J. Met. Mater. 2023;61(8):602-607.   Published online 2023 Jul 24
DOI: https://doi.org/10.3365/KJMM.2023.61.8.602

Recently, transition metal dichalcogenides (TMDCs) with 2D structure have attracted interest due to their many unique optical and electrical properties. The primary preparation methods for 2D materials are chemical vapor deposition (CVD), exfoliation, and other vacuum technologies. Large-scale synthesis of WS2 via solution-process is rare due to the higher temperature..... More

All-Solution-Processed OLEDs Using Printed Ag Electrodes and a PEI Bonding Layer
은 인쇄 전극과 PEI 접착 층을 사용한 용액공정 OLED
Cheol-Hee Moon
Korean J. Met. Mater. 2023;61(3):175-182.   Published online 2023 Feb 24
DOI: https://doi.org/10.3365/KJMM.2023.61.3.175

We demonstrated a bonding technology using polyethyleneimine (PEI) as a bonding layer between printed Ag electrodes and an emission material layer (EML) to fabricate all-solution-processed Organic LightEmitting Diodes (OLEDs). We manufactured Ag electrodes on a glass substrate by the screen printing method, which was bonded to another substrate with ITO..... More

                   Web of Science 1  Crossref 1
A Study on Reduced Graphene Oxide in Large-area Transparent Heaters for Defrosting
성에 제거용 대면적 투명 히터를 위한 환원된 산화 그래핀 연구
Seung Geun Jo, Hae-In Moon, Young Won Kim, Hwan Soo Dow, Jung Woo Lee
조승근, 문해인, 김영원, 도환수, 이정우
Korean J. Met. Mater. 2022;60(8):570-576.   Published online 2022 Jul 12
DOI: https://doi.org/10.3365/KJMM.2022.60.8.570

Transparent heaters are promising devices because of their versatile applications in vehicles, smart windows, and sensors, etc. Indium tin oxide is widely used for transparent heater materials due to its high electronic conductivity and visible light transmittance. However, the cost of indium is too high, and its fabrication needs sophisticated..... More

                   Web of Science 1  Crossref 2
Study of Self-Patterned Zinc Tin Oxide Thin-Film Transistors Prepared from Photocurable Precursor Solution with Photoacid Generator
Photoacid generator가 포함된 광경화성 전구체 기반 자가패턴 가능한 용액 공정형 Zinc Tin 산화물 트랜지스터 연구
Jae Young Kim, Geonoh Choe, Tae Kyu An, Yong Jin Jeong
김재영, 최건오, 안태규, 정용진
Korean J. Met. Mater. 2021;59(3):162-167.   Published online 2021 Feb 19
DOI: https://doi.org/10.3365/KJMM.2021.59.3.162

Solution-processed zinc tin oxide (ZTO) thin-film transistors (TFTs) have great potential uses in next-generation wearable and flexible electronic products. Zinc and tin precursor materials are naturally abundant and have low fabrication costs. To integrate a single ZTO TFT into logic circuits including inverters, NAND, and NOR gates will require the..... More

                   Web of Science 6  Crossref 5
Rosette Strain Sensors Based on Stretchable Metal Nanowire Piezoresistive Electrodes
신축성 금속 나노선 압저항 전극 기반 로젯 스트레인 센서
Kang-Hyun Kim, Jae-Gyeong Cha, Jong-Man Kim
김강현, 차재경, 김종만
Korean J. Met. Mater. 2018;56(11):835-843.   Published online 2018 Nov 5
DOI: https://doi.org/10.3365/KJMM.2018.56.11.835

In this work, we report a delta rosette strain sensor based on highly stretchable silver nanowire (AgNW) percolation piezoresistors. The proposed rosette strain sensors were easily prepared by a facile twostep fabrication route. First, three identical AgNW piezoresistive electrodes were patterned in a simple and precise manner on a donor..... More

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