Search Results - "Park, Won Il"

Direct CVD growth of graphene on three-dimensionally-shaped dielectric substrates by Shin, Jae Hyeok, Kim, Su Han, Kwon, Sun Sang, Park, Won Il

“…Large area growth of single- and few-layer graphene has been established, yet its prerequisite of metallic catalysts has impeded direct graphene growth on…”
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Hollow C nanobox: An efficient Ge anode supporting structure applied to high-performance Li ion batteries by Yue, Chuang, Liu, Zhiming, Chang, Won Jun, Park, Won Il, Song, Taeseup

“…Diverse strategies have been used to address the irreversible structural collapse issues of Ge-based anodes associated with lithium insertion/extraction. In…”
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Electrochemical Properties of Si-Ge Heterostructures as an Anode Material for Lithium Ion Batteries by Song, Taeseup, Cheng, Huanyu, Town, Kaitlin, Park, Hyunjung, Black, Robert W., Lee, Sangkyu, Park, Won Il, Huang, Yonggang, Rogers, John A., Nazar, Linda F., Paik, Ungyu

“…Si‐Ge composites have recently been explored as an anode material for lithium‐ion batteries due to their stable cycle performance and excellent rate…”
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Controlling electric potential to inhibit solid-electrolyte interphase formation on nanowire anodes for ultrafast lithium-ion batteries by Chang, Won Jun, Kim, Su Han, Hwang, Jiseon, Chang, Jinho, Yang, Dong won, Kwon, Sun Sang, Kim, Jin Tae, Lee, Won Woo, Lee, Jae Hyung, Park, Hyunjung, Song, Taeseup, Lee, In-Hwan, Whang, Dongmok, Il Park, Won

“…With increasing demand for high-capacity and rapidly rechargeable anodes, problems associated with unstable evolution of a solid-electrolyte interphase on the…”
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Photovoltaic Response of Transparent Schottky Ultraviolet Detectors Based on Graphene-on-ZnO Hexagonal Rod Arrays by Lee, Won Woo, Lee, Jae Hyung, Kim, Su Han, Yang, Dong Won, Park, Won Il

“…Herein, we report the ultraviolet (UV) photoresponse characteristics of vertically grown ZnO rod arrays and graphene hybrid detectors. Graphene serves as a UV…”
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Metal/graphene sheets as p-type transparent conducting electrodes in GaN light emitting diodes by Min Lee, Jung, Yong Jeong, Hae, Jin Choi, Kyoung, Il Park, Won

“…We demonstrate the use of graphene based transparent sheets as a p-type current spreading layer in GaN light emitting diodes (LEDs). Very thin Ni/Au was…”
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ZnO nanorods-graphene hybrid structures for enhanced current spreading and light extraction in GaN-based light emitting diodes by Min Lee, Jung, Yi, Jaeseok, Woo Lee, Won, Yong Jeong, Hae, Jung, Taeil, Kim, Youngchae, Il Park, Won

“…One-dimensional and two-dimensional hybrid structures, composed of vertical ZnO nanorods grown on large-area graphene, are successfully integrated onto the…”
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Electrospinning of Poly(ethylene oxide) with Bacterial Cellulose Whiskers by Park, Won-Il, Kang, Minsung, Kim, Hun-Sik, Jin, Hyoung-Joon

“…In the present study, cellulose whiskers were incorporated into nanofibers of polyethylene oxide (PEO) by the electrospinning process to enhance the mechanical…”
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Vertically aligned ZnO nanorods and graphene hybrid architectures for high-sensitive flexible gas sensors by Yi, Jaeseok, Lee, Jung Min, Park, Won Il

“…We present the fabrication and characterization of new type of flexible gas sensors, composed mainly of a bottom ZnO conductive layer on metal foil, vertically…”
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Multiple light scattering measurement and stability analysis of aqueous carbon nanotube dispersions by Kim, Hun-Sik, Park, Won-Il, Kang, Minsung, Jin, Hyoung-Joon

“…In this study, surfactants were selected for the process of dispersing carbon nanotubes (CNTs) in water, in order to minimize the impact of the chemical…”
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Chemical and biological sensors based on defect-engineered graphene mesh field-effect transistors by Cho, Seunghee H., Kwon, Sun Sang, Yi, Jaeseok, Park, Won Il

“…Graphene has been intensively studied for applications to high-performance sensors, but the sensing characteristics of graphene devices have varied from case…”
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Arrays of Sealed Silicon Nanotubes As Anodes for Lithium Ion Batteries by Song, Taeseup, Xia, Jianliang, Lee, Jin-Hyon, Lee, Dong Hyun, Kwon, Moon-Seok, Choi, Jae-Man, Wu, Jian, Doo, Seok Kwang, Chang, Hyuk, Park, Won Il, Zang, Dong Sik, Kim, Hansu, Huang, Yonggang, Hwang, Keh-Chih, Rogers, John A, Paik, Ungyu

“…Silicon is a promising candidate for electrodes in lithium ion batteries due to its large theoretical energy density. Poor capacity retention, caused by…”
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Photoresponse mechanisms of ultraviolet photodetectors based on colloidal ZnO quantum dot-graphene nanocomposites by Ick Son, Dong, Yeon Yang, Hee, Whan Kim, Tae, Il Park, Won

“…Ultraviolet (UV) photodetectors were fabricated using the wet spin-coating for ZnO quantum dots (QDs) and the transfer method for the graphene sheet…”
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MoS2 Passivated Multilayer Graphene Membranes for Li‐Ion Extraction From Seawater by Chang, Won Jun, Jang, Suhee, Kim, Minjoo, Kim, Yelim, Jeong, Dae Yeop, Kim, Beomju, Kim, Jin Myung, Nam, SungWoo, Park, Won Il

“…Abundant Li resources in the ocean are promising alternatives to refining ore, whose supplies are limited by the total amount and geopolitical imbalance of…”
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Flexible Organic Bistable Devices Based on Graphene Embedded in an Insulating Poly(methyl methacrylate) Polymer Layer by Son, Dong Ick, Kim, Tae Whan, Shim, Jae Ho, Jung, Jae Hun, Lee, Dea Uk, Lee, Jung Min, Park, Won Il, Choi, Won Kook

“…The electrical properties of flexible nonvolatile organic bistable devices (OBDs) fabricated with graphene sandwiched between two insulating poly(methyl…”
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ZnO Nanorod−Graphene Hybrid Architectures for Multifunctional Conductors by Lee, Jung Min, Pyun, Yong Bum, Yi, Jaeseok, Choung, Jae Woong, Park, Won Il

“…We report ZnO nanorod−graphene hybrid architectures (ZnO−G HAs) composed of regular arrays of ZnO nanorods formed on few-layer graphene films transferred to…”
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Surface morphology changes of graphene on flexible PET substrate upon thermal annealing by Samal, Monica, Lee, Jong Min, Park, Won Il, Yi, Dong Kee, Paik, Ungyu, Lee, Chang-Lyoul

“…The performance of a polymer photovoltaic device using multilayered graphene on an amorphous PET substrate as the electrode was studied. The changes in surface…”
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High turbidity water treatment by ceramic microfiltration membrane: Fouling identification and process optimization by Park, Won-il, Jeong, Sanghyun, Im, Sung-Ju, Jang, Am

“…Ceramic membranes have been introduced in various fields; however, research on ceramic membranes in high-turbidity environments has been rarely performed. In…”
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Graphene as an Interfacial Layer for Improving Cycling Performance of Si Nanowires in Lithium-Ion Batteries by Xia, Fan, Kwon, Sunsang, Lee, Won Woo, Liu, Zhiming, Kim, Suhan, Song, Taeseup, Choi, Kyoung Jin, Paik, Ungyu, Park, Won Il

“…Managing interfacial instability is crucial for enhancing cyclability in lithium-ion batteries (LIBs), yet little attention has been devoted to this issue…”
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Imaging and analysis of multidimensional atomically thin transition metal dichalcogenide layers on diatom frustules by Hyeok Shin, Jae, Jang, Suhee, Han Kim, Su, Jun Chang, Won, Kim, Jaeyong, Ik Yang, Sung, Il Park, Won

“…[Display omitted] •Growth of transition metal dichalcogenides on diatom frustules using metal-organic chemical vapor deposition.•Optical and structural…”
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