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Kwi-Il et al., "A Comparison Study of Output Performance of Piezoelectric Nanocomposite Made of Polymer Matrix and BaTiO3 Nanoparticles", submitted.


Kwi-Il et al., "Piezoelectric flexible energy harvester based on BaTiO3 thin film enabled by peeling off the mica substrate", submitted.


Kwi-Il et al., "Vertically Aligned Piezoelectric Perovskite Nanowire Array on Flexible Conducting Substrate for Energy Harvesting Applications ", submitted.


Kwi-Il et al., "Two-Dimensional Piezoelectric Nanomaterials", submitted.


Jae Hyun Han, Kwi-Il Park, Chang Kyu Jeong, "Dual-Structured Flexible Piezoelectric Film Energy Harvesters for Effectively Integrated Performance”, Sensors, (2019), 19(6), 1444. (IF=2.475)



Sung-Dae Kim, Geon-Tae Hwang, Kyung Song, Chang Kyu Jeong, Kwi-Il Park, Kwang-Ho Kim, Jungho Ryu, Si-Young Choi, "Inverse size-dependence of piezoelectricity in single BaTiO3 nanoparticles", Nano Energy, (2019), 58, 78-84. (IF=13.1)

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Jung Hwan Park, Han Eol Lee, Chang Kyu Jeong, Do Hyun Kim, Seong Kwang Hong, Kwi-Il Park*, Keon Jae Lee*, "Self-powered Flexible Electronics beyond Thermal Limits”, Nano Energy, (2019), 56, 531-546. (IF=13.1)

* Corresponding authors.

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Chang Kyu Jeong*, Changyeon Baek, Angus I Kingon, Kwi-Il Park*, Seung-Hyun Kim, "Lead-free perovskite nanowire-employed piezopolymer for highly-efficient flexible nanocomposite energy harvester", Small, (2018), 14(19), 1704022. (IF=9.6)
* Corresponding authors. 



Kwi-Il Park*, “Recent Progress in Flexible Energy Harvesting Devices based on Piezoelectric Nanomaterials”, J. Kor. Powder Metal. Institute, (2018), 25(3), 263-272.


Changyeon Baek, Jong Hyuk Yun, Hee Seung Wang, Ji Eun Wang, Hyeonbin Park, Kwi-Il Park*, and Do Kyung Kim*, "Enhanced Output Performance of a Lead-free Nanocomposite Generator using BaTiO3 Nanoparticles and Nanowires Filler", Applied Surface Science, (2018), 429, 164-170. (IF=4.4)

* Corresponding authors.



Jongwoo Lim, Hyunsung Jung, Changyeon Baek, Geon-Tae Hwang, Jungho Ryu, Daeho Yoon, Jibeom Yoo, Kwi-Il Park*, and Jong Hee Kim*, "All-Inkjet-Printed Flexible Piezoelectric Generator made of Solvent Evaporation Assisted BaTiO3 Hybrid Material", Nano Energy, (2017), 41, 337-343. (IF=13.1)
* Corresponding authors.

보도자료 : 연합뉴스, 전자신문, 뉴시스, KNN


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Changyeon Baek, Hyeonbin Park, Jong Hyuk Yun, Do Kyung Kim, and Kwi-Il Park*, "Lead-free BaTiO3 Nanowire Arrays-based Piezoelectric Energy Harvester", MRS Advances, (2017), 2(56), 3415-3420. (IF-pending)
* Corresponding authors.



Chang Kyu Jeong, Sung Beom Cho, Jae Hyun Han, Dae Yong Park, Suyoung Yang, Kwi-Il Park, Jungho Ryu, Hoon Sohn, Yong-Chae Chung, and Keon Jae Lee, "Crystallographic Control in Piezoelectric Morphotropic Phase Boundary for Flexible Thin Film Energy Harvesters", Nano Research (2017), 10(2), 437-455. (IF=8.0)

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Changyeon Baek, Ji Eun Wang, Soojy Ryu, Joo-Hyung Kim, Chang Kyu Jeong,  Kwi-Il Park*, and Do Kyung Kim*, "Facile hydrothermal synthesis of BaZrxTi1-xO3 nanoparticle and its application to a lead-free nanocomposite generator", RSC Advances, (2017), 7(5), 2851-2856. (IF=2.9)
* Corresponding authors.

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Brindha Moorthy, Changyeon Baek, Ji Eun Wang, Chang Kyu Jeong, San Moon, Kwi-Il Park*, and Do Kyung Kim*, "Piezoelectric energy harvesting from a PMN-PT single nanowire", RSC Advances, (2017), 7(1), 260-265. (IF=2.9)

* Corresponding authors.



Changyeon Baek, Jong Hyuk Yun, Ji Eun Wang, Chang Kyu Jeong, Keon Jae Lee, Kwi-Il Park*, and Do Kyung Kim*, “Flexible energy harvester based on lead-free and piezoelectric BCTZ nanoparticle - polymer composite”, Nanoscale (2016), 8(40), 17632-17638. (IF=7.2)

* Corresponding author.



Canan Dagdeviren, Pauline Joe, Ozlem L. Tuzman, Kwi-Il Park, Keon Jae Lee, Yan Shi, Yonggang Huangh, and John A. Rogers, “Recent Progress in Flexible and Stretchable Piezoelectric Devices for Mechanical Energy Harvesting, Sensing and Actuation”, Extreme Mechanics Letters (2016), 9(Part1), 269-281. (SCOPUS, IF-pending) - Invited Review Article



Kwi-Il Park*†, Chang Kyu Jeong†, Na Gyeong Kim, and Keon Jae Lee*, “Stretchable Piezoelectric Nanocomposite Generator”, Nano Convergence (2016), Vol. 3, Article No. 12. (IF-pending).- Invited Review Article (Outstanding Paper Award from Nano Convergence)

* Corresponding authors.

† These authors equally contributed to this work.



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 (2016), 6(13), 1600237. - Back Cover Article  (IF=21.9)

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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 (2015), 5(10), 1500051. (IF=21.9)

* Corresponding authors.

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Byoung Kuk You†, Woon Ik Park†, Jong Min Kim, Kwi-Il Park, Hyeon Kook Seo, Jeong Yong Lee, Yeon Sik Jung, and Keon Jae Lee, “Reliable Control of Filament Formation in Resistive Memories by Self-Assembled Nanoinsulators Derived from a Block Copolymer”, ACS Nano (2014), 8(9), 9492–9502. (IF=13.7)

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유 현 균, 박 귀 일, 이 건 재, “웨어러블/플렉시블 전자 소재 연구동향”, 대한금속재료학회 재료마당 (2015), 28(6), 4-15.



Hyun Min Lee, Kwi-Il Park, Ji-Yeon Park, Weon-Ju Kim, and Do Kyung Kim, “High-Temperature Fracture Strength of a CVD-SiC Coating Layer for TRISO Nuclear Fuel Particles by a Micro-Tensile Test”, J. Kor. Ceram. Soc. (2015), 52(6), 441~448.


Seungjun Kim, Jung Hwan Son, Seung Hyun Lee, Byoung Kuk You, Kwi-Il Park, Hwan Keon Lee, Myunghwan Byun, and Keon Jae Lee, “Flexible Crossbar-Structured Resistive Memory Arrays on Plastic Substrates via Inorganic-Based Laser Lift-Off”, Advanced Materials (2014), 26(44), 7480–7487. - Inside Cover Article (IF=21.9)

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Kwi-Il Park*, Soo Bin Bae, Seong Ho Yang, Hyung Ik Lee, Kisu Lee, and Seung Jun Lee, “Lead-free BaTiO3 nanowires-based flexible nanocomposite generator”, Nanoscale (2014), 6(8), 8962-8968. (IF=7.2)

* Corresponding author.

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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 Byun, and Keon Jae Lee, “Self-powered fully-flexible light-emitting system enabled by flexible energy harvester”, Energy & Environmental Science (2014), 7(12), 4035–4043. - Back Cover Article (IF=30.0)

† These authors equally contributed to this work.

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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 (2014), 26(28), 4880–4887. - Inside Cover Article (IF=21.9)

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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 (2014), 26(16), 2514–2520. - Inside Cover Article (IF=21.9)

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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 Nanorods Filler”, Advanced Functional Materials (2014), 24(18), 2620-2629. - Front Cover Article Article (IF=13.3)

† These authors equally contributed to this work.

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 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 (2013), 3(12), 1539-1544. - Inside Cover Article (IF=21.9)

† These authors equally contributed to this work.

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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 (2013), 7(12), 11016-11025. (IF=13.7)

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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 (2012), 24(22), 2999-3004. - Front Cover Article (IF=21.9)

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Min Koo, Kwi-Il Park, Seung Hyun Lee, Minwon Suh, Duk Young Jeon, Jang Wook Choi, Kisuk Kang, and Keon Jae Lee, “Bendable Inorganic Thin-Film Battery for Fully Flexible Electronic Systems”, Nano Letters (2012), 12(9), 4810-4816. (IF=12.1)

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Sang Yong Lee, Kwi-Il Park, Chul Huh, Min Koo, Hyeon Gyun Yoo, Seungjun Kim, Chil Seong Ah, Gun Yong Sung, and Keon Jae Lee, “Water-resistant flexible GaN LED on a liquid crystal polymer substrate for implantable biomedical applications”, Nano Energy (2012), 1(1), 145-151. (IF=13.1)

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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 (2010), 10(12), 4939-4943. (IF=12.1)

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Kwi-Il Park, Geon-Tae Hwang, and Keon Jae Lee, “New Forms of Nanogenerator using Piezoelectric BaTiO3 Nanoparticles”, IMID 2012 Digest (2012), 52-3, 387.




Hyeon Gyun Yoo, Kwi-Il Park, Min Koo, Seungjun Kim, Sang Yong Lee, Seung Hyun Lee, and Keon Jae Lee, “Flexible GaN LED on a Polyimide Substrate for Display Applications”, Proc. of SPIE (2012), 8268, 82681Y. - Invited Article



Kwi-Il Park, Sang Yong Lee, Seungjun Kim, Jaemyung Chang, Suk-Joong L. Kang, and Keon Jae Lee, “Bendable and Transparent Barium Titanate Capacitors on Plastic Substrates for High Performance Flexible Ferroelectric Devices”, Electrochemical Solid-State Letters (2010), 13(7), G57-G59. (IF=2.4)

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Kwi-Il Park, Jong-Ho Kim, Hyun-Keun Lee, and Do Kyung Kim, “High Temperature Mechanical Properties of CVD-SiC Thin Films”, Modern Physics Letters B (2009), 23(31 & 32), 3877-3886. (IF=0.7)

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