Functional Ceramic Materials & Devices Lab.
(기능성 세라믹 소재 및 소자 연구실)
Publications
2023
89. Sungbin Im, Sam Yeon Cho, Jae-Hyeon Cho, Geon-Tae Hwang, Angus I Kingon, Sang Don Bu, Wook Jo, Seung-Hyun Kim, Chang Kyu Jeong*, Study on relaxor polymer interface matrix for piezoelectric nanocomposite generators, Applied Surface Science, 613(15), 156031
88. Jae-Hyeon Cho, Ju-Hyeon Lee, Ji-Hun Park, Haeseong Jang, Hye-Lim Yu, Jongmoon Jang, Geon-Tae Hwang, Min Gyu Kim, Wook Jo*, Multiferroic properties in Fe-site engineered PbFe1/2Nb1/2O3 with distinct antisymmetric spin interaction, Applied Physics Letters, 122, 112906, 2023
87. Ha Young Lee, Min Sub Kwak, Geon‐Tae Hwang, Hyung Soo Ahn, Robert A Taylor, Dong Han Ha, Sam Nyung Yi*, Direct Current Piezoelectric Energy Harvesting Based on Plasmon‐Enhanced Solar Radiation Pressure, Advanced Opitical Materials, 11(7), 2202212, 2023
86. Hyunseok Song, Jongmoon Jang, Mahesh Peddigari, Srinivas Pattipaka, Yuho Min, Kwi-Il Park, Chang Kyu Jeong, Han Eol Lee, Jung Hwan Park, Ho-Yong Lee, Woon-Ha Yoon, Jungho Ryu, Geon-Tae Hwang*, Self-powered light dimming system using a magneto-mechano-electric generator with hardener-doped Pb(Mg1/3Nb2/3)O3–Pb(Zr,Ti)O3 single crystals, Journal of Materials Chemistry A, 11, 3364-3372, 2023, (Corresponding Author, Impact Factor: 14.5), PDF
85. Chaeyoung Nam, Yujin Na, Sung Cheol Park, Hyunseung Kim, Chang Kyu Jeong, Geon-Tae Hwang*, Kwi-Il Park*, Energy Harvesting of Fully-Flexible Magnetoelectric Composites using a Piezoelectric P(VDF-TrFE) and Magnetostrictive CoFe2O4 Nanofiber, Journal of Materials Chemistry A, 11, 559-568, 2023, (Corresponding Author, Impact Factor: 14.5), PDF
2022
84. Dong Hyun Kim+, Bo-Yeon Lee+, Seongwook Min, Daniel J Joe, Jaehun An, Byung Woo Kim, Yong Hyun Park, Se Kyu Kang, Geon-Tae Hwang*, Keon Jae Lee*, Pulsed direct current magnetic energy harvesting by robotic spot-welding in smart automotive factory, Nano Energy, 104(15), 2022, (Corresponding Author, Impact Factor: 19.1), PDF
83. Seonhwa Park+, Hyunsu Choi+, Geon-Tae Hwang+, Mahesh Peddigari, Cheol-Woo Ahn, Byung-Dong Hahn, Woon-Ha Yoon, Jung Woo Lee, Kwi-Il Park, Jongmoon Jang*, Jong-Jin Choi*, Yuho Min*, Molten-Salt Processed Potassium Sodium Niobate Single-Crystal Microcuboids with Dislocation-Induced Nanodomain Structures and Relaxor Ferroelectric Behavior, ACS Nano, doi.org/10.1021/acsnano.2c06919, 2022, (First Author, Impact Factor: 18.0), PDF
82. Min Sub Kwak+, Mahesh Peddigari+, Ha Young Lee, Yuho Min, Kwi‐Il Park, Jong‐Hyun Kim, Woon‐Ha Yoon, Jungho Ryu, Sam Nyung Yi*, Jongmoon Jang*, Geon‐Tae Hwang*, Exceeding 50 mW RMS‐Output Magneto‐Mechano‐Electric Generator by Hybridizing Piezoelectric and Electromagnetic Induction Effects, Advanced Functional Materials, 10, 2112028, 2022, (Corresponding Author, Impact Factor: 19.9), Cover Article, PDF, Highlighted in Media: 연합뉴스, KNN 뉴스, 부산일보 등
81.Srinivas Pattipaka, Young Min Bae, Chang Kyu Jeong, Kwi-Il Park, Geon-Tae Hwang*, Perovskite Piezoelectric-Based Flexible Energy Harvesters for Self-Powered Implantable and Wearable IoT Devices, Sensors, 22(23), 9506, 2022, (Corresponding Author, Impact Factor: 3.8), PDF
80. Srinivas Pattipaka+, Jaewon Jeong+, Hyunsu Choi, Jungho Ryu*, Geon-Tae Hwang*, Magneto-Mechano-Electric (MME) Composite Devices for Energy Harvesting and Magnetic Field Sensing Applications, Sensors, 22(15), 5723, 2022, (Corresponding Author, Impact Factor: 3.8), PDF
79. Michael Abraham Listyawan, Hyunseok Song, Geon-Tae Hwang, Hyun-Cheol Song, Jungho Ryu*, Effect of ZnS: Cu powder content on the mechanoluminescence intensity of stretchable elastomer composite for wearable device applications, Journal of Alloys and Compounds, 923, 166250, 2022
78. Hyunseok Song, Geon-Tae Hwang, Jungho Ryu*, Hongsoo Choi*, Stable output performance generated from a magneto-mechano-electric generator having self-resonance tunability with a movable proof mass, Nano Energy, 101, 107607, 2022
77. Min Sub Kwak, Mahesh Peddigari, Yuho Min, Jong-Jin Choi, Jong-Hyun Kim, Michael Abraham Listyawan, Jungho Ryu, Geon-Tae Hwang, Woon-Ha Yoon, Jongmoon Jang*, Boosting the lifespan of magneto-mechano-electric generator via vertical installation for sustainable powering of Internet of Things sensor, Nano Energy, 101, 107567, 2022
76. Ha Young Lee, Min Sub Kwak, Geon-Tae Hwang, Hyung Soo Ahn, Dong Han Ha, Sam Nyung Yi*, Enhancing light pressure via localized surface plasmon resonance through randomly nickel nano-roughness, Applied Surface Science, 596(15), 153588, 2022
75. Da Wan Kim, Hyunseung Kim, Geon-Tae Hwang, Sung Beom Cho, Seung Hwan Jeon, Hyeon Woo Kim, Chang Kyu Jeong*, Sungwoo Chun*, Changhyun Pang*, Conformably Skin-Adherent Piezoelectric Patch with Bioinspired Hierarchically Arrayed Microsuckers Enables Physical Energy Amplification, ACS Energy Letters, 7, 1820, 2022
74. Han Seung Choi, Venkateswarlu Annapureddy, Nokeun Park, Jae-Won Jeong, Geon-Tae Hwang, Jungho Ryu*, High-performance magneto-mechano-electric generator through optimization of magnetic flux concentration, Sustainable Energy & Fuels, 6, 2700, 2022
73. Ajeet Kumar, Sung Hoon Park, Deepak Rajaram Patil, Geon-Tae Hwang*, Jungho Ryu*, Effect of aspect ratio of piezoelectric constituents on the energy harvesting performance of magneto-mechano-electric generators, Energy, 239, 122078, 2022, (Corresponding Author, Impact Factor: 8.9), PDF
72. Deepak Rajaram Patil, Sung Hoon Park, Geon-Tae Hwang, Jungho Ryu, Study of magnetoelectric coupling in magnetoelectric laminates fabricated using 15-mode PMN-PZT single crystals, Journal of the Korean Ceramic Society, 59(3), 322, 2022
71. Jae‐Hyeon Cho, Yu Jin Kim, Su Hwan Kim, Young‐Jin Lee, Jun‐Yong Choi, Geon‐Tae Hwang, Jungho Ryu, Sang Kyu Kwak, Wook Jo, Modulation of magnetoelectric coupling through systematically engineered spin canting in nickel–zinc ferrite, Journal of the American Ceramic Society, 105(4), 2655, 2022
2021
70. Mahesh Peddigari+, Kyoohee Woo+, Sung-Dae Kim+, Min Sub Kwak, Jae Won Jeong, Jee-Hyun Kang, Seung-Hyun Lee, Jung Hwan Park, Kwi-Il Park, Venkateswarlu Annapureddy, Jongmoon Jang, Yuho Min, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Woon-Ha Yoon, Jungho Ryu*, Geon-Tae Hwang*, Ultra-magnetic field sensitive magnetoelectric composite with sub-pT detection limit at low frequency enabled by flash photon annealing, Nano Energy, 90, 106598, 2021 (Corresponding Author, Impact Factor: 17.9), PDF
69. Ha Young Lee, Min Sub Kwak, Kyung-Won Lim, Hyung Soo Ahn, Geon-Tae Hwang, Dong Han Ha, Robert A Taylor, Sam Nyung Yi, Harvesting electrical energy using plasmon-enhanced light pressure in a platinum cut cone, Optics Express, 29(22), 25161-35171, 2021
68. Mahesh Peddigari, Min Sub Kwak, Yuho Min, Cheol-Woo Ahn, Jong-Jin Choi, Byung Dong Hahn, Cheol Choi, Geon-Tae Hwang, Woon-Ha Yoon, Jongmoon Jang, Lifetime estimation of single crystal macro-fiber composite-based piezoelectric energy harvesters using accelerated life testing, Nano Energy, 88, 106279, 2021
67. Jae-Hyeon Cho, Ju-Hyeon Lee, Haeseong Jang, Nyun Jong Lee, Woo-Seok Kang, Geon-Tae Hwang, Sanghoon Kim, Min Gyu Kim, Wook Jo, Room temperature magnetoelectric coupling in Pb(Fe1/2Nb1/2)O3 by counterbalancing imbalanced spin moments through spin canting, Journal of Applied Physics, 130(9), 094101, 2021
66. Atul Thakre, Seungah Lee, Deepak Rajaram Patil, Mahesh Peddigari, Geon-Tae Hwang, Jungho Ryu, High performance of polycrystalline piezoelectric ceramic-based magneto-mechano-electric energy generators, Journal of Asian Ceramic Societies, 9(3), 1290-1297, 2021
65. Min Sub Kwak, Geon-Tae Hwang*, Structural Analysis Simulation of Cantilever Shaped Piezoelectric Energy Harvester Using COMSOL Multiphysics, Journal of the Korean Institute of Electrical and Electronic Material Engineers, 34(5) 416-425, 2021
64. Geon-Tae Hwang*, Jungho Ryu, Woon-Ha Yoon, Recent Progress in Magneto-Mechano-Electric Generators, Journal of the Korean Institute of Electrical and Electronic Material Engineers, 34(5) 27-282, 2021
63. Min Sub Kwak+, Kyung-Won Lim+, Ha Young Lee, Mahesh Peddigari, Jongmoon Jang, Chang Kyu Jeong, Jungho Ryu, Woon-Ha Yoon, Sam Nyung Yi*, and Geon-Tae Hwang*, Multiscale surface modified magneto-mechano-triboelectric nanogenerator enabled by eco-friendly NaCl imprinting stamp for self-powered IoT applications, Nanoscale, 13, 8418, 2021 (Corresponding Author, Impact Factor: 7.8), PDF
62. So Hyeon Kim, Atul Thakre*, Deepak Rajaram Patil, Sung Hoon Park, Timothy Alexander Listyawan, Nokeun Park, Geon-Tae Hwang, Jongmoon Jang*, Kwang-Ho Kim, and Jungho Ryu*, Enhancement of Energy-Harvesting Performance of Magneto–Mechano–Electric Generators through Optimization of the Interfacial Layer, ACS Applied Materials & Interfaces, 13, 17, 19983–19991, 2021.
61. Mahesh Peddigari+, Jung Hwan Park+, Jae Hyun Han+, Chang Kyu Jeong, Jongmoon Jang, Yuho Min, Jong-Woo Kim, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Sang Yeong Park, Woon-Ha Yoon, Dong-Soo Park, Dae-Yong Jeong, Jungho Ryu*, Keon Jae Lee*, Geon-Tae Hwang*, Flexible Self-Charging, Ultrafast, High-Power-Density Ceramic Capacitor System, ACS Energy Letters, 6, 4, 1383–1391, 2021 (Corresponding Author, Impact Factor: 23.1), PDF, Highlighted in Media: 연합뉴스, 뉴시스, 부산일보 외
60. Seong Su Ham, Gyoung-Ja Lee, Dong Yeol Hyeon, Yeon-gyu Kim, Yeong-won Lim, Min-Ku Lee, Jin-Ju Park, Kinetic motion sensors based on flexible and lead-free hybrid piezoelectric composite energy harvesters with nanowires-embedded electrodes for detecting articular movements, Geon-Tae Hwang, Seonghoon Yi, Chang Kyu Jeong, Kwi-Il Park, Composites Part B: Engineering, 108705, 2021
59. Haribabu Palneedi, Mahesh Peddigari, Ashutosh Upadhyay, José PB Silva, Geon-Tae Hwang, Jungho Ryu, Lead-based and lead-free ferroelectric ceramic capacitors for electrical energy storage, Ferroelectric Materials for Energy Harvesting and Storage, 279-356, 2021
58. Dong Yeol Hyeon, Chaeyoung Nam, Seong Su Ham, Geon‐Tae Hwang, Seonghoon Yi, Kyung Tae Kim, Kwi‐Il Park, Enhanced Energy Conversion Performance of a Magneto–Mechano–Electric Generator Using a Laminate Composite Made of Piezoelectric Polymer and Metallic Glass, Advanced Electronic Materials, 7(1), 2000969, 2021
2020
57. Yuho Min, Minkyung Kim, Geon-Tae Hwang, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Woon-Ha Yoon, Geon Dae Moon, Chee-Sung Park, Cheol-Hee Park, Vacancy engineering in rock-salt type (IV-VI) x (V-VI) materials for high thermoelectric performance, Nano Energy, 78, 105198, 2020
56. Jongmoon Jang, Geon-Tae Hwang, Yuho Min, Jong-Woo Kim, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Joon-Hwan Choi, Dong-Soo Park, Yongsuk Jung, Woon-Ha Yoon, Fatigue study and durability improvement of piezoelectric single crystal macro-fiber composite energy harvester, Journal of the Korean Ceramic Society, 57, 645-650, 2020
55. Woong-Kyeong Seong, Byeong-Min Ahn, Yuho Min, Geon-Tae Hwang, Jong-Jin Choi, Joon-Hwan Choi, Byung-Dong Hahn, Young-Rae Cho, Cheol-Woo Ahn, Effect of Nb2O5 addition on microstructure and thermal/mechanical properties in zirconia-toughened alumina sintered at low temperature, Ceramics International, 46(15), 23820-23827, 2020
54. Hyunseung Kim, Changwan Sohn, Geon-Tae Hwang, Kwi-Il Park, Chang Kyu Jeong, (K, Na) NbO 3-LiNbO 3 nanocube-based flexible and lead-free piezoelectric nanocomposite energy harvesters, Journal of the Korean Ceramic Society, 57(4), 401-408, 2020
53. Woong-Kyeong Seong, Byeong-Min Ahn, Yuho Min, Geon-Tae Hwang, Jong-Jin Choi, Joon-Hwan Choi, Byung-Dong Hahn, Young-Rae Cho, Cheol-Woo Ahn, An easy approach to manufacture high quality zirconia-toughed alumina, Materials Science and Engineering: A, 784, 139328, 2020
52. Geon-Tae Hwang*, Hyunseok Song, Jongmoon Jang, Jungho Ryu, Woon-Ha Yoon, Sensing of ultra-low magnetic field by magnetoelectric (ME) composites, Ceramist, 23.1, 38-53, 2020 (Corresponding Author)
51. Hyunseok Song+, Deepak R Patil+, Woon-Ha Yoon, Kwang Ho Kim, Cheol Choi, Jong-Hyun Kim, Geon-Tae Hwang*, Dae-Yong Jeong*, and Jungho Ryu*, Significant Power Enhancement of Magneto-Mechano-Electric Generators by Magnetic Flux Concentration, Energy & Environmental Science, 13(11), 4238-4248, 2020 (Corresponding Author, Impact Factor: 38.5), PDF
50. Han Eol Lee+, Jung Hwan Park+, Dahee Jang+, Jung Ho Shin, Tae Hong Im, Jae Hee Lee, Seong Kwang Hong, Hee Seung Wang, Min Sub Kwak, Mahesh Peddigari, Chang Kyu Jeong, Yuho Min, Chan Hee Park, Jong-Jin Choi, Jungho Ryu, Woon-Ha Yoon, Daesoo Kim*, Keon Jae Lee*, Geon-Tae Hwang*, Optogenetic brain neuromodulation by stray magnetic field via flash-enhanced magneto-mechano-triboelectric nanogenerator, Nano Energy, 75, 104951, 2020 (Corresponding Author, Impact Factor: 17.9), PDF
49. Attaur Rahman+, Seonhwa Park, Yuho Min, Geon-Tae Hwang, Jong-Jin Choi, Byung-Dong Hahn, Kyung-Hoon Cho, Sahn Nahm, Cheol-Woo Ahn*, An Easy Approach to Obtain Large Piezoelectric Constant in High-Quality Transparent Ceramics by Normal Sintering Process in Modified Potassium Sodium Niobate Ceramics, Journal of the European Ceramic Society, 40(8), 2989-2995, 2020
48. Seonhwa Park+, Attaur Rahman, Yuho Min, Geon-Tae Hwang, Jong-Jin Choi, Byung-Dong Hahn, Kyung-Hoon Cho, Jung Woo Lee, Sahn Nahm, Cheol-Woo Ahn*, An easy approach to obtain textured microstructure and transparent seed crystal prepared by simple molten salt synthesis in modified potassium sodium Niobate, Journal of the European Ceramic Society, 40(4), 1232-1235, 2020
47. Seonhwa Park+, Mahesh Peddigari+, Jung Hwan Kim, Eunae Kim, Geon-Tae Hwang, Jong-Woo Kim, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Joon-Hwan Choi, Woon-Ha Yoon, Dong-Soo Park, Kwi-Il Park, Chang Kyu Jeong, Jung Woo Lee*, Yuho Min*, Selective Phase Control of Dopant-Free Potassium Sodium Niobate Perovskites in Solution, Inorganic Chemistry, 59(5), 3042-3052, 2020
46. Atul Thakre+, Ajeet Kumar, Dae-Yong Jeong, Geon-Tae Hwang, Woon-Ha Yoon, Ho-Yong Lee, Jungho Ryu*, Enhanced Mechanical Quality Factor of 32 Mode Mn Doped 71Pb(Mg1/3Nb2/3)O3–29PbZrTiO3 Piezoelectric Single Crystals, Electronic Materials Letters, 16(2), 156-163, 2020
2019
45. Chang Kyu Jeong+, Dong Yeol Hyeon, Geon-Tae Hwang, Gyoung-Ja Lee, Min-Ku Lee, Jin-Ju Park, Kwi-Il Park*, Nanowire-percolated piezoelectric copolymer-based highly transparent and flexible self-powered sensors, Journal of Materials Chemistry A, 7(44), 25481-25489, 2019
44. Sojeong Park+, Mahesh Peddigari, Geon-Tae Hwang, Woon-Ha Yoon, Ajeet Kumar, Jungho Ryu*, Face-shear 36-mode magnetoelectric composites with piezoelectric single crystal and Metglas laminate, Applied Physics Letters, 115(10), 102901, 2019
43. Yuho Min+, Eunmi Im, Geon-Tae Hwang, Jong-Woo Kim, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Joon-Hwan Choi, Woon-Ha Yoon, Dong-Soo Park, Dong Choon Hyun, Geon Dae Moon, Heterostructures in two-dimensional colloidal metal chalcogenides: Synthetic fundamentals and applications, Nano Research, 12(8), 1750-1769, 2019
42. Mahesh Peddigari+, Ga-Yeon Kim, Chan Hee Park, Yuho Min, Jong-Woo Kim, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Joon-Hwan Choi, Dong-Soo Park, Jae-Keun Hong, Jong-Taek Yeom, Kwi-Il Park, Dae-Yong Jeong, Woon-Ha Yoon, Jungho Ryu*, Geon-Tae Hwang*, A Comparison Study of Fatigue Behavior of Hard and Soft Piezoelectric Single Crystal Macro-Fiber Composites for Vibration Energy Harvesting, Sensors, 19(9), 2196, 2019 (Corresponding Author, Impact Factor: 3.6), PDF
41. Sung-Dae Kim+, Geon-Tae Hwang+, Kyung Song+, Chang Kyu Jeong, Kwi-Il Park, Jinhyuk Jang, Kwang-Ho Kim*, Jungho Ryu*, Si-Young Choi*, Inverse size-dependence of piezoelectricity in single BaTiO3 nanoparticles, Nano Energy, 58, 78-84, 2019 (First Author, Impact Factor: 17.9), PDF
40. Ajeet Kumar+, So Hyeon Kim, Mahesh Peddigari, Dong-Hyuk Jeong, Geon-Tae Hwang*, Jungho Ryu*, High Energy Storage Properties and Electrical Field Stability of Energy Efficiency of (Pb0.89La0.11)(Zr0.70Ti0.30)0.9725O3 Relaxor Ferroelectric Ceramics, Electronic Materials Letters, 15(3), 323-330, 2019 (Corresponding Author, Impact Factor: 2.2), PDF
39. Kyung-Won Lim+, Mahesh Peddigari, Chan Hee Park, Ha Young Lee, Yuho Min, Jong-Woo Kim, Cheol-Woo Ahn, Jong-Jin Choi, Byung-Dong Hahn, Joon-Hwan Choi, Dong-Soo Park, Jae-Keun Hong, Jong-Taek Yeom, Woon-Ha Yoon, Jungho Ryu*, Sam Nyung Yi*, Geon-Tae Hwang*, A high output magneto-mechano-triboelectric generator enabled by accelerated water-soluble nano-bullets for powering a wireless indoor positioning system, Energy & Environmental Science, 12(2), 666-674, 2019 (Corresponding Author, Impact Factor: 38.5), PDF, Highlighted in Media: 동아사이언스, 전자신문, 뉴시스 외
38. Mahesh Peddigari+, Haribabu Palneedi, Geon-Tae Hwang, Jungho Ryu*, Linear and nonlinear dielectric ceramics for high-power energy storage capacitor applications, Journal of the Korean Ceramic Society, 56(1), 1-23, 2019
37. Ga-Yeon Kim+, Mahesh Peddigari, Kyung-Won Lim, Geon-Tae Hwang, Woon-Ha Yoon, HongSoo Choi, Jung Woo Lee*, Jungho Ryu*, Effect of Thickness Ratio in Piezoelectric/Elastic Cantilever Structure on the Piezoelectric Energy Harvesting Performance, Electronic Materials Letters, 15(1), 61-69, 2019
2018
36. Mahesh Peddigari+, Kyung-Won Lim, Miso Kim, Chan Hee Park, Woon-Ha Yoon, Geon-Tae Hwang, Jungho Ryu*, Effect of elastic modulus of cantilever beam on the performance of unimorph type piezoelectric energy harvester, APL Materials, 6(12), 121107, 2018
35. Haribabu Palneedi, Mahesh Peddigari, Geon-Tae Hwang, Dae-Yong Jeong, Jungho Ryu, High‐Performance Dielectric Ceramic Films for Energy Storage Capacitors: Progress and Outlook, Advanced Functional Materials, 28(42), 1803665, 2018
34. Haribabu Palneedi+, Suok-Min Na, Geon-Tae Hwang, Mahesh Peddigari, Kwang Woo Shin, Kee Hoon Kim, Jungho Ryu*, Highly tunable magnetoelectric response in dimensional gradient laminate composites of Fe-Ga alloy and Pb (Mg1/3Nb2/3)O3-Pb(Zr,Ti)O3 single crystal, Journal of Alloys and Compounds, 765, 764-770, 2018
33. Geon-Tae Hwang+, Haribabu Palneedi, Byung Mun Jung, Suk Jin Kwon, Mahesh Peddigari, Yuho Min, Jong‐Woo Kim, Cheol‐Woo Ahn, Jong‐Jin Choi, Byung‐Dong Hahn, Joon-Hwan Choi, Woon-Ha Yoon, Dong-Soo Park, Sang-Bok Lee, Youngson Choe, Kwang-Ho Kim*, and Jungho Ryu*, Enhancement of Magnetoelectric Conversion Achieved by Optimization of Interfacial Adhesion Layer in Laminate Composites, ACS applied materials & interfaces, 10(38), 32323-32330, 2018 (First Author, Impact Factor: 9.2), PDF
32. Kyung-Won Lim+, Mahesh Peddigari, Ventateswaru Annapureddy, Geon-Tae Hwang, Jong-Jin Choi, Ga-Yeon Kim, Sam Nyung Yi*, Jungho Ryu*, Energy storage characteristics of {001} oriented Pb (Zr0.52Ti0.48)O3 thin film grown by chemical solution deposition, Thin Solid Films, 660, 434-438, 2018
31. Mahesh Peddigari+, Haribabu Palneedi, Geon-Tae Hwang, Kyung Won Lim, Ga-Yeon Kim, Dae-Yong Jeong*, Jungho Ryu*, Boosting the Recoverable Energy Density of Lead-Free Ferroelectric Ceramic Thick Films through Artificially Induced Quasi-Relaxor Behavior, ACS applied materials & interfaces, 10(24), 20720-20727, 2018
30. Min Gyu Kang+, Rammohan Sriramdas, Hyeon Lee, Jinsung Chun, Deepam Maurya, Geon-Tae Hwang, Jungho Ryu, Shashank Priya*, High Power Magnetic Field Energy Harvesting through Amplified Magneto‐Mechanical Vibration, Advanced Energy Materials, 8(16), 1703313, 2018
29. Haribabu Palneedi+, Jung Hwan Park+, Deepam Maurya+, Mahesh Peddigari, Geon‐Tae Hwang, Venkateswarlu Annapureddy, Jong‐Woo Kim, Jong‐Jin Choi, Byung‐Dong Hahn, Shashank Priya, Keon Jae Lee*, Jungho Ryu*, Laser Irradiation of Metal Oxide Films and Nanostructures: Applications and Advances, Advanced Materials, 30(14), 1705148, 2018
28. Haribabu Palneedi+, Deepam Maurya+, Liwei D. Geng, Hyun-Cheol Song, Geon-Tae Hwang, Mahesh Peddigari, Venkateswarlu Annapureddy, Kyung Song, Yoon Seok Oh, Su-Chul Yang, Yu U. Wang, Shashank Priya*, and Jungho Ryu*, Enhanced Self-Biased Magnetoelectric Coupling in Laser-Annealed Pb(Zr,Ti)O3 Thick Film Deposited on Ni Foil, ACS Applied Materials & Interfaces, 10(13), 11018-11025, 2018
27. Venkateswarlu Annapureddy+, Suok-Min Na+, Geon-Tae Hwang, Min Gyu Kang, Rammohan Sriramdas, Haribabu Palneedi, Woon-Ha Yoon, Byung-Dong Hahn, Jong-Woo Kim, Cheol-Woo Ahn, Dong-Soo Park, Jong-Jin Choi, Dae-Yong Jeong, Alison B. Flatau, Mahesh Peddigari, Shashank Priya*, Kwang-Ho Kim*, Jungho Ryu*, Exceeding milli-watt powering magneto-mechano-electric generator for standalone-powered electronics, Energy & Environmental Science, 11(4), 818-829, 2018
26. Venkateswarlu Annapureddy+, Yonghun Kim+, Geon‐Tae Hwang, Ho Won Jang, Sung‐Dae Kim, Jong‐Jin Choi, Byungjin Cho*, Jungho Ryu*, Room‐Temperature Solid‐State Grown WO3−δ Film on Plastic Substrate for Extremely Sensitive Flexible NO2 Gas Sensors, Advanced Materials Interfaces, 5(1), 1700811, 2018
2017
25. Venkateswarlu Annapureddy, Haribabu Palneedi, Geon-Tae Hwang, Mahesh Peddigari, Dae-Yong Jeong, Woon-Ha Yoon, Kwang-Ho Kim, Jungho Ryu, Magnetic energy harvesting with magnetoelectrics: an emerging technology for self-powered autonomous systems, Sustainable Energy & Fuels, 1(10), 2039-2052, 2017
24. Jongwoo Lim+, Hyunsung Jung, Changyeon Baek, Geon-Tae Hwang, Jungho Ryu, Daeho Yoon, Jibeom Yoo, Kwi-Il Park*, Jong Hee Kim*, All-inkjet-printed flexible piezoelectric generator made of solvent evaporation assisted BaTiO3 hybrid material, Nano Energy, 41, 337-343, 2017
23. Haribabu Palneedi+, Hong Goo Yeo+, Geon-Tae Hwang, Venkateswarlu Annapureddy, Jong-Woo Kim, Jong-Jin Choi, Susan Trolier-McKinstry*, Jungho Ryu*, A flexible, high-performance magnetoelectric heterostructure of (001) oriented Pb (Zr0.52Ti0.48)O3 film grown on Ni foil, APL Materials, 5(9), 096111, 2017
22. Dong Hyun Kim+, Hong Ju Shin, Hyunseung Lee, Chang Kyu Jeong, Hyewon Park, Geon‐Tae Hwang, Ho‐Yong Lee, Daniel J Joe, Jae Hyun Han, Seung Hyun Lee, Jaeha Kim, Boyoung Joung, Keon Jae Lee*, In Vivo Self‐Powered Wireless Transmission Using Biocompatible Flexible Energy Harvesters, Advanced Functional Materials, 27(25), 1700341, 2017
21. Chang Kyu Jeong+, Jae Hyun Han+, Haribabu Palneedi, Hyewon Park, Geon-Tae Hwang, Boyoung Joung, Seong-Gon Kim, Hong Ju Shin, Il-Suk Kang, Jungho Ryu, Keon Jae Lee*, Comprehensive biocompatibility of nontoxic and high-output flexible energy harvester using lead-free piezoceramic thin film, APL Materials, 5(7), 074102, 2017
20. Joontaek Jung+, Venkateswarlu Annapureddy+, Geon-Tae Hwang, Youngsup Song, Wonjun Lee, Woojin Kang, Jungho Ryu, Hongsoo Choi*, 31-mode piezoelectric micromachined ultrasonic transducer with PZT thick film by granule spraying in vacuum process, Applied Physics Letters, 110(21), 212903, 2017
19. Jung Hwan Park+, Geon-Tae Hwang+, Shinho Kim, Jeongmin Seo, Hong-Jin Park, Kyoungsik Yu, Taek-Soo Kim, Keon Jae Lee*, Flash-Induced Self-Limited Plasmonic Welding of Silver Nanowire Network, Advanced Materials, 29(5), 1603473, 2017 (First Author, Impact Factor: 30.8), PDF
2016
18. Geon-Tae Hwang+, Venkateswarlu Annapureddy,+ Jae Hyun Han, Daniel J. Joe, Changyeon Baek, Dae Yong Park, Dong Hyun Kim, Jung Hwan Park, Chang Kyu Jeong, Kwi-Il Park, Jong-Jin Choi, Do Kyung Kim, Jungho Ryu,* and Keon Jae Lee*, Self‐Powered Wireless Sensor Node Enabled by an Aerosol‐Deposited PZT Flexible Energy Harvester, Advanced Energy Materials, 6(13), 1600237, 2016 (First Author, Impact Factor: 29.4), PDF
2015
17. Geon-Tae Hwang+, Youngsoo Kim+, Jeong-Ho Lee, SeKwon Oh, Chang Kyu Jeong, Dae Yong Park, Jungho Ryu, Hyuk Sang Kwon, Sang-Goo Lee, Boyoung Joung, Daesoo Kim*, and Keon Jae Lee*, Self-powered deep brain stimulation via a flexible PIMNT energy harvester, Energy & Environmental Science, 8(9), 2677-2684, 2015 (First Author, Impact Factor: 38.5), PDF
16. Geon-Tae Hwang+, Joonseok Yang, Seong Ho Yang, Ho-Yong Lee, Minbok Lee, Dae Yong Park, Jae Hyun Han, Seung Jun Lee, Chang Kyu Jeong, Jaeha Kim, Kwi-Il Park*, and Keon Jae Lee*, A Reconfigurable Rectified Flexible Energy Harvester via Solid‐State Single Crystal Grown PMN–PZT, Advanced Energy Materials, 5(10), 1500051, 2015 (First Author, Impact Factor: 29.4), PDF
15. Chang Kyu Jeong+, Jinhwan Lee+, Seungyong Han, Jungho Ryu, Geon-Tae Hwang, Dae Yong Park, Jung Hwan Park, Seung Seob Lee, Myunghwan Byun, Seung Hwan Ko*, and Keon Jae Lee*, A Hyper‐Stretchable Elastic‐Composite Energy Harvester, Advanced Materials, 27(18), 2866-2875, 2015
14. Seung Hyun Lee+, Chang Kyu Jeong+, Geon-Tae Hwang, and Keon Jae Lee*, Self-powered flexible inorganic electronic system, Nano Energy, 14, 111-125, 2015
13. Geon-Tae Hwang+, Myunghwan Byun, Chang Kyu Jeong, and Keon Jae Lee*, Flexible Piezoelectric Thin‐Film Energy Harvesters and Nanosensors for Biomedical Applications, Advanced Healthcare Materials, 4(5), 646-658, 2015 (First Author, Impact Factor: 9.9), PDF
2014
12. Chang Kyu Jeong+, Kwang Min Baek+, Simiao Niu, Tae Won Nam, Yoon Hyung Hur, Dae Yong Park, Geon-Tae Hwang, Myunghwan Byun, Zhong Lin Wang, Yeon Sik Jung*, and Keon Jae Lee*, Topographically-Designed Triboelectric Nanogenerator via Block Copolymer Self-Assembly, Nano Letters, 14(12), 7031-7038, 2014
11. Chang Kyu Jeong+, Kwi-Il Park+, Jung Hwan Son+, Geon-Tae Hwang, Seung Hyun Lee, Dae Yong Park, Han Eol Lee, Hwan Keon Lee, Myunghwan Byuna, and Keon Jae Lee*, Self-powered Fully-Flexible Light Emitting Systems enabled by Flexible Energy Harvester, Energy & Environmental Science, 7(12), 4035-4043, 2014
10. Hyun Soo Lee+, Juyong Chung, Geon-Tae Hwang, Chang Kyu Jeong, Youngdo Jung, Jun-Hyuk Kwak, Hanmi Kang, Myunghwan Byun, Wan Doo Kim, Shin Hur*, Seung-Ha Oh*, and Keon Jae Lee*, Flexible Inorganic Piezoelectric Acoustic Nanosensor for Biomimetic Artificial Hair Cell, Advanced Functional Materials, 24(44), 6914-6921, 2014
9. Geon-Tae Hwang+, Hyewon Park, Jeong-Ho Lee, SeKwon Oh, Kwi-Il Park, Myunghwan Byun, Hyelim Park, Gun Ahn, Chang Kyu Jeong, Kwangsoo No, HyukSang Kwon, Sang-Goo Lee, Boyoung Joung, and Keon Jae Lee*, Self‐Powered Cardiac Pacemaker Enabled by Flexible Single Crystalline PMN‐PT Piezoelectric Energy Harvester, Advanced Materials, 26(28), 4880-4887, 2014 (First Author, Impact Factor: 30.8), PDF
8. Chang Kyu Jeong+, Kwi-Il Park+, Jungho Ryu, Geon-Tae Hwang, and Keon Jae Lee*, Large‐Area and Flexible Lead‐Free Nanocomposite Generator Using Alkaline Niobate Particles and Metal Nanorod Filler, Advanced Functional Materials, 24(18), 2620-2629, 2014
7. Kwi-Il Park+, Jung Hwan Son, Geon-Tae Hwang, Chang Kyu Jeong, Jungho Ryu, Min Koo, Insung Choi, Seung Hyun Lee, Myunghwan Byun, Zhong Lin Wang, and Keon Jae Lee*, Highly-Efficient, Flexible Piezoelectric PZT Thin Film Nanogenerator on Plastic Substrates, Advanced Materials, 26(16), 2514-2520, 2014
2013
6. Chang Kyu Jeong+, Insu Kim+, Kwi-Il Park, Mi Hwa Oh, Haemin Paik, Geon-Tae Hwang, Kwangsoo No, Yoon Sung Nam*, and Keon Jae Lee*, Virus-directed design of a flexible BaTiO3 nanogenerator, Acs Nano, 7(12), 11016-11025, 2013
5. Kwi-Il Park+, Chang Kyu Jeong+, Jungho Ryu, Geon-Tae Hwang, and Keon Jae Lee*, Flexible and Large‐Area Nanocomposite Generators Based on Lead Zirconate Titanate Particles and Carbon Nanotubes, Advanced Energy Materials, 3(12), 1539-1544
4. Dong Ok Shin+, Jeong Ho Mun+, Geon-Tae Hwang, Jong Moon Yoon, Ju Young Kim, Je Moon Yun, Yong-Biao Yang, Youngtak Oh, Jeong Yong Lee, Jonghwa Shin, Keon Jae Lee, Soojin Park, Jaeup U. Kim, and Sang Ouk Kim*, Multicomponent nanopatterns by directed block copolymer self-assembly, ACS Nano, 7(10), 8899-8907, 2013
3. Geon-Tae Hwang+, Donggu Im, Sung Eun Lee, Jooseok Lee, Min Koo, So Young Park, Seungjun Kim, Kyounghoon Yang, Sung June Kim, Kwyro Lee, and Keon Jae Lee*, In vivo silicon-based flexible radio frequency integrated circuits monolithically encapsulated with biocompatible liquid crystal polymers, ACS Nano, 7(5), 4545-4553, 2013 (First Author, Impact Factor: 15.9), PDF
2012
2. Kwi-Il Park+, Minbaek Lee, Ying Liu, San Moon, Geon-Tae Hwang, Guang Zhu, Ji Eun Kim, Sang Ouk Kim, Do Kyung Kim, Zhong Lin Wang, and Keon Jae Lee*, Flexible nanocomposite generator made of BaTiO3 nanoparticles and graphitic carbons, Advanced Materials, 24(22): 2999-3004, 2012
1. Kwi-Il Park+, Sheng Xu, Ying Liu, Geon-Tae Hwang, Suk-Joong L. Kang, Zhong Lin Wang, and Keon Jae Lee*, Piezoelectric BaTiO3 thin film nanogenerator on plastic substrates, Nano Letters, 10(12), 4939-4943, 2010