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Showing results 1 to 25 of 25

Article
Coercivity and thermal stability enhancement of Nd-Fe-B sintered magnets by grain boundary diffusion with Tb-Al-Cu alloys
  • Lee, Dong Hyun ; 
  • Kim, Seong Chan ; 
  • Kim, Jaehyuk ; 
  • Baek, Ju-Young ; 
  • Yun, Tae-Young ; 
  • Kim, Jong Tae ; 
  • Kim, Sumin ; 
  • Kim, Donghwan ; 
  • Lee, Sang Hyub ; 
  • Do, Dalhyun ; 
    • et al
  • 2024-08
  • Lee, Dong Hyun. (2024-08). Coercivity and thermal stability enhancement of Nd-Fe-B sintered magnets by grain boundary diffusion with Tb-Al-Cu alloys. Materialia, 36. doi: 10.1016/j.mtla.2024.102161
  • Elsevier
  • View : 122
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Article
Core-shell carbon@Ni2 (CO3 )(OH)2 particles as advanced cathode materials for hybrid supercapacitor: The key role of carbon for enhanced electrochemical properties
  • Lee, Damin ; 
  • Kim, Dong Hwan ; 
  • Roh, Jong Wook ; 
  • Keppetipola, Nilanka M. ; 
  • Toupance, Thierry ; 
  • Cojocaru, Ludmila ; 
  • Kim, Jeongmin
  • 2024-09
  • Lee, Damin. (2024-09). Core-shell carbon@Ni2 (CO3 )(OH)2 particles as advanced cathode materials for hybrid supercapacitor: The key role of carbon for enhanced electrochemical properties. Journal of Energy Storage, 97(Part B). doi: 10.1016/j.est.2024.112944
  • Elsevier
  • View : 303
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Article
Dependence of magnetic performance on coating method in grain boundary diffusion processed Nd-Fe-B sintered magnets
  • Kim, Jaehyuk ; 
  • Jang, Ye Ryeong ; 
  • Lee, Dong Hyun ; 
  • Kim, Seong Chan ; 
  • Baek, Ju-Young ; 
  • Kim, Donghwan ; 
  • Lee, Sang Hyub ; 
  • Kim, Sumin ; 
  • Roh, Jong Wook ; 
  • Lee, Wooyoung ; 
    • et al
  • 2024-03
  • Kim, Jaehyuk. (2024-03). Dependence of magnetic performance on coating method in grain boundary diffusion processed Nd-Fe-B sintered magnets. Materials Today Communications, 38. doi: 10.1016/j.mtcomm.2023.108004
  • Elsevier BV
  • View : 383
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Article
Design of high-performance binary carbonate/hydroxide Ni-based supercapacitors for photo-storage systems
  • Lee, Damin ; 
  • Keppetipola, Nilanka M. ; 
  • Kim, Dong Hwan ; 
  • Roh, Jong Wook ; 
  • Cojocaru, Ludmila ; 
  • Toupance, Thierry ; 
  • Kim, Jeongmin
  • 2024-12
  • Lee, Damin. (2024-12). Design of high-performance binary carbonate/hydroxide Ni-based supercapacitors for photo-storage systems. Energy, 313. doi: 10.1016/j.energy.2024.133593
  • Elsevier
  • View : 401
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Article
Development of 3D compound structures and highly wettable carbonate hydroxide electrodes for high-performance supercapacitors
  • 2024-08
  • Lee, Damin. (2024-08). Development of 3D compound structures and highly wettable carbonate hydroxide electrodes for high-performance supercapacitors. Dalton Transactions, 53(34), 14411–14421. doi: 10.1039/d4dt01366b
  • Royal Society of Chemistry
  • View : 302
  • Download : 0
Article
Electrical transport phenomena in two-dimensional metallic 2H-NbSe2: an experimental and theoretical study
  • 2024-12
  • Kim, Jeongmin. (2024-12). Electrical transport phenomena in two-dimensional metallic 2H-NbSe2: an experimental and theoretical study. Nanoscale, 16(48), 22230–22239. doi: 10.1039/d4nr03369h
  • Royal Society of Chemistry
  • View : 452
  • Download : 0
Article
Electrochemical characteristics of flexible open-cell supercapacitors employing different electrolyte types: KOH and ionic liquid
  • Lee, Damin ; 
  • Keppetipola, Nilanka M. ; 
  • Roh, Jong Wook ; 
  • Kim, Dong Hwan ; 
  • Cojocaru, Ludmila ; 
  • Kim, Jeongmin ; 
  • Toupance, Thierry
  • 2024-09
  • Lee, Damin. (2024-09). Electrochemical characteristics of flexible open-cell supercapacitors employing different electrolyte types: KOH and ionic liquid. Electrochimica Acta, 497. doi: 10.1016/j.electacta.2024.144513
  • Elsevier
  • View : 225
  • Download : 0
Article
Enhanced voltage and capacitance in flexible supercapacitors using electrospun nanofiber electrolytes and CuNi2O3@N-Doped omnichannel carbon electrodes
  • Ponnaiah, Sathish Kumar ; 
  • Bae, Jihoon ; 
  • Roh, Jong Wook ; 
  • Min, Yuho ; 
  • Lee, Sungwon
  • 2025-04
  • Ponnaiah, Sathish Kumar. (2025-04). Enhanced voltage and capacitance in flexible supercapacitors using electrospun nanofiber electrolytes and CuNi2O3@N-Doped omnichannel carbon electrodes. Nano Convergence, 12(1). doi: 10.1186/s40580-025-00485-2
  • Springer | Korea Nano Technology Research Society
  • View : 149
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Conference
Enhencement of magnetic properties of Tb-Al-Cu diffusion magnets depending on grain boundary diffusion process conditions
  • Lee, Dong Hyun ; 
  • Kim, Seong Chan ; 
  • Jeong, Hyeonjong ; 
  • Baek, Ju-Young ; 
  • Kim, Jaehyuk ; 
  • Kim, Donghwan ; 
  • Lee, Sang Hyub ; 
  • Do, Dalhyun ; 
  • Roh, Jong Wook ; 
  • Kim, Dong Hwan ; 
    • et al
  • 2024-05-29
  • Lee, Dong Hyun. (2024-05-29). Enhencement of magnetic properties of Tb-Al-Cu diffusion magnets depending on grain boundary diffusion process conditions. 2024년 한국자기학회 하계학술대회, 109–109.
  • 한국자기학회
  • View : 108
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Article
Experimental verification of semi-metallic band structure in PtSe2via thermoelectric power measurements
  • Kim, Jeongmin ; 
  • Youn, Seonhye ; 
  • Bang, Joonho ; 
  • Moon, Hongjae ; 
  • Jang, Woosun ; 
  • Roh, Jong Wook ; 
  • Kim, Dong Hwan ; 
  • Chang, Joonyeon ; 
  • Lee, Wooyoung
  • 2022-01
  • Kim, Jeongmin. (2022-01). Experimental verification of semi-metallic band structure in PtSe2via thermoelectric power measurements. Applied Physics Letters, 120(4). doi: 10.1063/5.0076972
  • American Institute of Physics
  • View : 731
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Article
Fabrication and electrochemical performance of Ni-Cu carbonate/ hydroxide-based electrodes for high-performance supercapacitors
  • 2024-09
  • Lee, Damin. (2024-09). Fabrication and electrochemical performance of Ni-Cu carbonate/ hydroxide-based electrodes for high-performance supercapacitors. Sustainable Materials and Technologies, 41. doi: 10.1016/j.susmat.2024.e01014
  • Elsevier
  • View : 218
  • Download : 0
Article
High-Resolution Patterning of Breathable Polymer Nanomesh via Double-Side UV Exposure for Fabricating Micropatterned Wearable Devices
  • Bae, Jihoon ; 
  • Song, Chong-Myeong ; 
  • Ponnaiah, Sathish Kumar ; 
  • Jang, Gain ; 
  • Choi, Hyeokjoo ; 
  • Hwang, Sieun ; 
  • Shin, Juhee ; 
  • Kim, Seokhwan ; 
  • Do, Juha ; 
  • Kim, Mijin ; 
    • et al
  • 2025-05
  • ACS Nano, v.19, no.17, pp.16534 - 16544
  • American Chemical Society
  • View : 415
  • Download : 0
Article
Homogeneous core-shell structure formation in Nd-Fe-B sintered magnets through advanced spark plasma sintering and internal grain boundary diffusion
  • Kim, Seong Chan ; 
  • Lee, Dong Hyun ; 
  • Baek, Ju-Young ; 
  • Yun, Tae-Young ; 
  • Kim, Jong Tae ; 
  • Bae, Kyoung-Hoon ; 
  • Kim, Donghwan ; 
  • Lee, Sang Hyub ; 
  • Roh, Jong Wook ; 
  • Kim, Jeongmin ; 
    • et al
  • 2025-10
  • Journal of Alloys and Compounds, v.1041
  • Elsevier
  • View : 66
  • Download : 0
Article
Improved Thermoelectric Performance in n-type Bi2(Te,Se)3 Alloys through the Incorporation of Fe Nanoparticles
  • Lee, Kyungmi ; 
  • Kim, Gwansik ; 
  • Ye, Sung Wook ; 
  • Kim, Jeongmin ; 
  • Roh, Jong Wook ; 
  • Lee, Wooyoung
  • 2024-10
  • Lee, Kyungmi. (2024-10). Improved Thermoelectric Performance in n-type Bi2(Te,Se)3 Alloys through the Incorporation of Fe Nanoparticles. ACS Applied Energy Materials, 7(20), 9300–9306. doi: 10.1021/acsaem.4c01778
  • American Chemical Society
  • View : 230
  • Download : 0
Conference
Improvement of coercivity and microstructure by internal grain boundary diffusion of SPSed Nd-Fe-B magnet
  • Kim, Seong Chan ; 
  • Lee, Dong Hyun ; 
  • Kim, Jaehyuk ; 
  • Ha, Jungwoo ; 
  • Bae, Kyoung-Hoon ; 
  • Roh, Jong Wook ; 
  • Do, Dalhyun ; 
  • Kim, Jong Tae ; 
  • Yun, Tae-Young ; 
  • Kim, Jeongmin ; 
    • et al
  • 2024-05-29
  • Kim, Seong Chan. (2024-05-29). Improvement of coercivity and microstructure by internal grain boundary diffusion of SPSed Nd-Fe-B magnet. 2024년 한국자기학회 하계학술대회, 115–115.
  • 한국자기학회
  • View : 107
  • Download : 0
Conference
Improvement of magnetic properties by grain boundary diffusion using dry coating of Tb-(Pr, LRE)-Al_Cu alloys in Nd-Fe-B sintered magnets
  • Lee, Dong Hyun ; 
  • Kim, Seong Chan ; 
  • Jeong, Hyeonjong ; 
  • Baek, Ju-Young ; 
  • Yun, Tae-Young ; 
  • Kim, Jong Tae ; 
  • Kim, Donghwan ; 
  • Lee, Sang Hyub ; 
  • Kim, Dong Hwan ; 
  • Roh, Jong Wook ; 
    • et al
  • 2024-11-28
  • Lee, Dong Hyun. (2024-11-28). Improvement of magnetic properties by grain boundary diffusion using dry coating of Tb-(Pr, LRE)-Al_Cu alloys in Nd-Fe-B sintered magnets. 2024년 한국자기학회 동계학술대회, 199–199.
  • 한국자기학회
  • View : 131
  • Download : 0
Conference
Microstructural observation of SPSed Nd-Fe-B magnet and interal grain boundary diffusion with TbH
  • Kim, Seong Chan ; 
  • Lee, Dong Hyun ; 
  • Ha, Jungwoo ; 
  • Kim, Jaehyuk ; 
  • Bae, Kyoung-Hoon ; 
  • Roh, Jong Wook ; 
  • Do, Dalhyun ; 
  • Kim, Jong Tae ; 
  • Yun, Tae-Young ; 
  • Chung, Seok-Hwan ; 
    • et al
  • 2024-11-28
  • Kim, Seong Chan. (2024-11-28). Microstructural observation of SPSed Nd-Fe-B magnet and interal grain boundary diffusion with TbH. 2024년 한국자기학회 동계학술대회, 200–200.
  • 한국자기학회
  • View : 111
  • Download : 0
Article
Microstructure of shell and grain boundary phase in Nd-Fe-B sintered magnets grain boundary diffusion processed with low-melting LRE-Al-Cu (LRE = La and Pr) alloys
  • Jang, Ye Ryeong ; 
  • Kim, Tae-Hoon ; 
  • Kim, Jeongmin ; 
  • Lee, Hyun-Sook ; 
  • Lee, Kyungmi ; 
  • Roh, Jong Wook ; 
  • Jang, Tae-Suk ; 
  • Lee, Wooyoung
  • 2024-10
  • Jang, Ye Ryeong. (2024-10). Microstructure of shell and grain boundary phase in Nd-Fe-B sintered magnets grain boundary diffusion processed with low-melting LRE-Al-Cu (LRE = La and Pr) alloys. Materials Characterization, 216. doi: 10.1016/j.matchar.2024.114249
  • Elsevier
  • View : 166
  • Download : 0
Article
Modulation of Conductivity and Contact Resistance of RuO2 Nanosheets via Metal Nano-Particles Surface Decoration
  • Kim, Jongwon ; 
  • Youn, Seonhye ; 
  • Baek, Ju Young ; 
  • Kim, Dong Hwan ; 
  • Kim, Sumin ; 
  • Lee, Wooyoung ; 
  • Park, Hee Jung ; 
  • Kim, Juyoung ; 
  • Chun, Dong Wan ; 
  • Park, Sang-Shik ; 
    • et al
  • 2021-09
  • Kim, Jongwon. (2021-09). Modulation of Conductivity and Contact Resistance of RuO2 Nanosheets via Metal Nano-Particles Surface Decoration. Nanomaterials, 11(9). doi: 10.3390/nano11092444
  • MDPI
  • View : 609
  • Download : 0
Article
Ni-based electrodes on 3D substrates: Development and performance for asymmetric supercapacitors
  • Lee, Hyun Woo ; 
  • Roh, Jong Wook ; 
  • Kim, Kwang Ho ; 
  • Lee, Damin
  • 2025-02
  • Lee, Hyun Woo. (2025-02). Ni-based electrodes on 3D substrates: Development and performance for asymmetric supercapacitors. Journal of Electroanalytical Chemistry, 979. doi: 10.1016/j.jelechem.2024.118907
  • Elsevier
  • View : 234
  • Download : 0
Article
Semimetallic features in thermoelectric transport properties of 2H-3R phase niobium diselenide
  • Moon, Hongjae ; 
  • Kim, Jeongmin ; 
  • Bang, Joonho ; 
  • Hong, Seokkyoon ; 
  • Youn, Seonhye ; 
  • Shin, Hyunjun ; 
  • Roh, Jong Wook ; 
  • Shim, Wooyoung ; 
  • Lee, Wooyoung
  • 2020-12
  • Moon, Hongjae. (2020-12). Semimetallic features in thermoelectric transport properties of 2H-3R phase niobium diselenide. Nano Energy, 78, 105197. doi: 10.1016/j.nanoen.2020.105197
  • Elsevier BV
  • View : 426
  • Download : 0
Article
Strong enhancement of room-temperature thermoelectric properties of Cu-doped Bi2Te2.7Se0.3
  • Kim, Gwansik ; 
  • Lee, Kyungmi ; 
  • Shin, Hyunjun ; 
  • Kim, Jeongmin ; 
  • Chang, Joonyeon ; 
  • Roh, Jong Wook ; 
  • Lee, Wooyoung
  • 2022-01
  • Kim, Gwansik. (2022-01). Strong enhancement of room-temperature thermoelectric properties of Cu-doped Bi2Te2.7Se0.3. doi: 10.1063/5.0077057
  • American Institute of Physics
  • View : 283
  • Download : 0
Article
Synchronized enhancement of thermoelectric properties of higher manganese silicide by introducing Fe and Co nanoparticles
  • Kim, Gwansik ; 
  • Kim, Hyun-Sik ; 
  • Lee, Ho Seong ; 
  • Kim, Jeongmin ; 
  • Lee, Kyu Hyoung ; 
  • Roh, Jong Wook ; 
  • Lee, Wooyoung
  • 2020-06
  • Kim, Gwansik. (2020-06). Synchronized enhancement of thermoelectric properties of higher manganese silicide by introducing Fe and Co nanoparticles. doi: 10.1016/j.nanoen.2020.104698
  • Elsevier BV
  • View : 592
  • Download : 0
Article
Three-dimensional ternary NixCuyZnz(CO3)(OH)2 electrodes for supercapacitors: electrochemical properties and applications
  • 2023-03
  • Lee, Dong Hyun. (2023-03). Three-dimensional ternary NixCuyZnz(CO3)(OH)2 electrodes for supercapacitors: electrochemical properties and applications. Dalton Transactions, 52(11), 3333–3343. doi: 10.1039/d3dt00143a
  • Royal Society of Chemistry
  • View : 577
  • Download : 0

Understanding of the Relationship between the Properties of Cu(In,Ga)Se2 Solar Cells and the Structure of Ag Network Electrodes

Article
Understanding of the Relationship between the Properties of Cu(In,Ga)Se2 Solar Cells and the Structure of Ag Network Electrodes
  • Yoo, Hyesun ; 
  • Hoang, Van-Quy ; 
  • Lee, Inpyo ; 
  • Jo, Seung Taek ; 
  • Hong, Tae Ei ; 
  • Kim, Junho ; 
  • Yoo, Dae-Hwang ; 
  • Shin, Jinwook ; 
  • Commerell, Walter ; 
  • Kim, Dae-Hwan ; 
    • et al
  • 2024-11
  • Yoo, Hyesun. (2024-11). Understanding of the Relationship between the Properties of Cu(In,Ga)Se2 Solar Cells and the Structure of Ag Network Electrodes. Energy & Environmental Materials, 7(6). doi: 10.1002/eem2.12765
  • Wiley
  • View : 76
  • Download : 28
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