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March, 2023, Vol.32 No 2
Plasmon-enhanced Raman scattering is an important technique for analyzing various materials, including chemical and biological molecules. Recent research has focused on using different plasmonic structures, such as nanoparticles on mirrors, nanoparticles, tip-enhanced plasmonic structures, and one-dimensional (1D) nanogaps, to enhance Raman scattering by designing localized surface plasmon resonance (LSPR). Specifically, a 1D nanogap provides an effective way to improve the optical field enhancement because of the highly confined optical field and the strong LSPR effect. This study successfully demonstrated significantly improved Raman scattering signals of a WSe2 monolayer and brilliant cresyl blue molecules using a 1D Au nanogap.
Articles
< PreviousApplied Science and Convergence Technology 2023; 32(2): 34~57Next >
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Brief Review of Atomic Layer Etching Based on Radiofrequency-Biased Ar/C4F6-Mixture-Based Inductively Coupled Plasma Characteristics
Min Young Yoon
, Hee Jung Yeom , Jong-Ryul Jeong , Jung Hyung Kim , and Hyo-Chang Lee
aSemiconductor Integrated Metrology Team, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
bDepartment of Materials Science & Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
cDepartment of Semiconductor Science, Engineering and Technology, Korea Aerospace University, Goyang 10540, Republic of Korea ASCT 2023; 32(2): 34-37 Keywords : Atomic layer etching, Inductively coupled plasma, Hexafluoro-1,3-butadiene -
Investigation of Resonant Local Surface Plasmon Effects Using CdSe Quantum Dots
Heedae Kim and Keun Heo
Semiconductor Physics Research Center, School of Semiconductor Science and Technology, Jeonbuk National University, Jeonju 54896, Republic of Korea
ASCT 2023; 32(2): 38-40
Keywords : Colloidal cadmium selenide quantum dots, Gold layers, Photoluminescence enhancement, Local surface plasmon effects
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Prediction of Absolute Hall Effect Sensitivity and Minimum Magnetic Resolution for Two-Dimensional Rhenium Disulfide Multilayer Magnetic Sensors without Magnetic Fields
Min-Kyu Joo
aDepartment of Applied Physics, Sookmyung Women’s University, Seoul 04310, Republic of Korea
bInstitute of Advanced Materials and Systems, Sookmyung Women’s University, Seoul 04310, Republic of Korea ASCT 2023; 32(2): 41-44 Keywords : Two-dimensional materials, Hall sensor, Magnetic resolution, Analytical model, Contact resistance, Carrier mobility -
Plasmon-Enhanced Raman Scattering of WSe2 Monolayer and Brilliant Cresyl Blue Molecules via One-Dimensional Nanogap with Finite-Difference Time-Domain
Taeyoung Moon , Bamadev Das , Huitae Joo , and Kyoung-Duck Park
aDepartment of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
bDepartment of Physics and Quantum Photonics Institute, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea ASCT 2023; 32(2): 45-47 Keywords : Raman scattering, Plasmonic structure, Nanogap, Finite-difference time-domain simulation -
Electrochemical CO2 Reduction over a MoS2/Mo Electrode
Seon Young Hwang† , Min Hee Joo† , Ju Young Maeng , Go Eun Park , Seo Young Yang , Choong Kyun Rhee , and Youngku Sohn *
Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
ASCT 2023; 32(2): 48-53
Keywords : Molybdenum disulfide, Electrochemical CO2 reduction, Photoirradiation, Formate, CO hydrocarbons
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Computational Analysis on Self-Resonance Frequency of Solenoid and Planar Inductor
Min-Su Choi , Si-Jun Kim , Young-Seok Lee , Chul-Hee Cho , In-Ho Seong , Won-Nyoung Jeong , Ye-Bin You , Byoung-Yeop Choi , You-Bin Seol , and Shin Jae You
aDepartment of Physics, Chungnam National University, Daejeon 34134, Republic of Korea
bInstitute of Quantum Systems (IQS), Chungnam National University, Daejeon 34134, Republic of Korea ASCT 2023; 32(2): 54-57 Keywords : Inductor, Self-resonance frequency, Electromagnetic wave simulation
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