Moonwoo La*, Jun Hyuk Choi, Jeong-Young Choi, Taek Yong Hwang, Jeongjin Kang, Dongwhi Choi**, "Development of the Triboelectric Nanogenerator Using a Metal-to-Metal Imprinting Process for Improved Electrical Output", Micromachines, Vol. 9, (2018).

(IF 2.222, JCR 2017)

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Yun-Ting Jao*, Po-Kang Yang, Che-Min Chiu, Yu-Jhen Lin, Shuo-Wen Chen, Dongwhi Choi, Zong-Hong Lin**, "A textile-based triboelectric nanogenerator with humidity-resistant output characteristic and its applications in self-powered healthcare sensors", Nano Energy, Vol. 50, (2018).

(IF 13.120, JCR 2017, Top 4.5 %)

 

Xin Ning*, Xueju Wang*, Yi Zhang, Xinge Yu, Dongwhi Choi, Ning Zheng, Dong Sung Kim, Yonggang Huang, Yihui Zhang**, John A. Rogers**, "Assembly of Advanced Materials into 3D Functional Structures by Methods Inspired by Origami and Kirigami: A Review", Advanced Materials Interfaces, Vol. 5, (2018).

(IF 4.834, JCR 2017, Top 18 %)

 

Sang Min Park*, Seongsu Eom, Dongwhi Choi, Seon Jin Han, Sung Jea Park, Dong Sung Kim**, “Direct fabrication of spatially patterned or aligned electrospun nanofiber mats on dielectric polymer surfaces”, Chemical Engineering Journal, Vol. 335, (2018).

(IF 6.216, JCR 2016, Top 4.1 %)

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Dongwhi Choi*, Tsao Yu-Hsiang, Chiu Che-Min, Donghyeon Yoo, Zong-Hong Lin**, and Dong Sung Kim*, “A smart pipet tip: Triboelectricity and thermoelectricity assisted in situ evaluation of electrolyte concentration”, Nano Energy, Vol. 38, (2017). # This paper was reported in the media

(IF 12.343, JCR 2016, Top 4.2 %)
 

Dongwhi Choi*, Do Wan Kim, Donghyeon Yoo, Kyoung Je Cha, Moonwoo La, and Dong Sung Kim**, “Spontaneous occurrence of liquid-solid contact electrification in nature: toward a robust triboelectric nanogenerator inspired by the natural lotus leaf”, Nano Energy, Vol. 36, (2017).

(IF 12.343, JCR 2016, Top 4.2 %)
 

Donghyeon Yoo*, Dongwhi Choi*, and Dong Sung Kim**, “Comb-shaped electrode-based triboelectric nanogenerators for bi-directional mechanical energy harvesting”, Microelectronic Engineering, Vol. 174, (2017).

(IF 1.806, JCR 2016)
 

Seonga An*, Jiwon Lim, Dongwhi Choi, Hyeonjun Hong, Hyung Woo Kim, Sang Min Park, Jong Won Rhie, and Dong Sung Kim**, “Fabrication of polystyrene-based multi-well screening platform for micrometer-scale surface topographies promoting stem cell functions”, Microelectronic Engineering, Vol. 174, (2017).

(IF 1.806, JCR 2016)
 

Dongwhi Choi*, Jaewon Yoo*, and Dong Sung Kim**, “Facile and Cost-Effective Fabrication of Patternable Superhydrophobic Surfaces via Salt Dissolution Assisted Etching”, Applied Surface Science, Vol. 393, (2017). (*equal contribution)

(IF 3.387, JCR 2016, Top 2.6 %)
 

Dongwhi Choi*, Donghyeon Yoo, and Dong Sung Kim**, “One-Step Fabrication of Transparent and Flexible Nanotopographical-Triboelectric Nanogenerators via Thermal Nanoimprinting of Thermoplastic Fluoropolymer”, Advanced Materials, Vol. 27, (2015). # This paper was selected as the back cover of the 45th issue in 27th volume of Advanced Materials, # This paper was reported in the media, # This paper was selected one of outstanding 30 research outcomes of POSTECH since 1987

(IF 19.791, JCR 2016, Top 1.7 %)

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Dongwhi Choi*, Donghyeon Lee*, and Dong Sung Kim**, “A Simple Approach to Characterize Gas-Aqueous Liquid Two-phase Flow Configuration Based on Discrete Solid-Liquid Contact Electrification”, Scientific Reports, Vol. 5, (2015). (*equal contribution) (# This paper was reported in the media)

(IF 4.259, JCR 2016, Top 14.8 %)
 

Horim Lee*, Dongwhi Choi*, Dong Sung Kim**, and Geunbae Lim**, “Capacitive Control of Spontaneously Induced Electrical Charge of Droplet by Electric Field-Assisted Pipetting”, Nano-Micro Letters, Vol. 7, (2015). (*equal contribution)

(IF 4.849, JCR 2016, Top 13.1 %)
 

Dongwhi Choi*, Andrew Choi, and Dong Sung Kim**, “A Capillary-based Preconcentration Device by using Ion Concentration Polarization through Cation Permselective Membrane Coating”, International Journal of Precision Engineering and Manufacturing, Vol. 16, (2015).

(IF 1.497, JCR 2016)
 

Dongwhi Choi*, Sangmin Lee*, Sang Min Park, Handong Cho, Woonbong Hwang, and Dong Sung Kim**, “Energy Harvesting Model of Moving Water inside Tubular System and Its Application of Stick Type Compact Triboelectric Nanogenerator”, Nano Research, Vol. 8, (2015). (*equal contribution)

(IF 7.354, JCR 2016, Top 9.1 %)

Dongwhi Choi*, and Dong Sung Kim**, “A Zeta (z)-Pipet Tip to Reduce the Spontaneously Induced Electrical Charge of a Dispensed Aqueous Droplet”, Langmuir, Vol. 30, (2014). # This paper was selected as ACS Editors’ Choice (June. 9th 2014), # This paper was introduced in Magazine; Chemical & Engineering News (June. 16th, 2014) published by American Chemical Society and the paper is now freely accessible in the website of Langmuir, # This paper was reported in the media)

(IF 3.833, JCR 2016, Top 19.4 %)

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Dongwhi Choi*, Horim Lee*, Do Jin Im, In Seok Kang, Geunbae Lim, Dong Sung Kim, and Kwan Hyoung Kang**, “Spontaneous electrical charging of droplets by conventional pipetting”, Scientific Reports, Vol. 3, (2013).
(IF 4.259, JCR 2016, Top 14.8 %)