Publications

2024

A skin-interfaced, miniaturized platform for triggered induction, capture and colorimetric multicomponent analysis of microliter volumes of sweat

Joohee Kim, Seyong Oh, Larissa Rugg, Radhika Mathur, Sung Soo Kwak, Seonggwang Yoo, Shupeng Li, Evangelos E Kanatzidis, Geumbee Lee, Hong-Joon Yoon, Yonggang Huang, Roozbeh Ghaffari, Susanna A McColley*, John A Rogers*, Biosensors and Bioelectronics, 253, 116166 (2024)

A wireless, implantable bioelectronic system for monitoring urinary bladder function following surgical recovery

Jihye Kim, Matthew I Bury, Kyeongha Kwon, Jae-Young Yoo, Nadia V Halstead, Hee-Sup Shin, Shupeng Li, Sang Min Won, Min-Ho Seo, Yunyun Wu, Do Yun Park, Mitali Kini, Jean Won Kwak, Surabhi R Madhvapathy, Joanna L Ciatti, Jae Hee Lee, Suyeon Kim, Hanjun Ryu, Kento Yamagishi, Hong-Joon Yoon, Sung Soo Kwak, Bosung Kim, Yonggang Huang, Lisa C Halliday, Earl Y Cheng, Guillermo A Ameer*, Arun K Sharma*, John A Rogers*, Proceedings of the National Academy of Sciences (PNAS), 121(14), e2400868121 (2024)

Advancements in Skin‐Mediated Drug Delivery: Mechanisms, Techniques, and Applications

Dong Ha Lee, Sunyoung Lim, Sung Soo Kwak*, Joohee Kim*, Advanced Healthcare Materials, 13(7), 2302375 (2024)

Self‐Boosting Energy Generation via Triboelectric Nanogenerator–Capacitor Coupling 

Jihye Kim, Hanjun Ryu, SeongMin Kim, Hyeon Yeong Lee, Armine Karami, Dimitri Galayko, Donghyeon Kang, Sung Soo Kwak, Hong‐Joon Yoon, Philippe Basset*, Sang‐Woo Kim*, Advanced Materials Technologies, 9(8), 2301309 (2024) 

Materials and Device Designs for Wireless Monitoring of Temperature and Thermal Transport Properties of Wound Beds during Healing 

Hanjun Ryu, Joseph W Song, Haiwen Luan, Youngmin Sim, Sung Soo Kwak, Hokyung Jang, Young Jin Jo, Hong‐Joon Yoon, Hyoyoung Jeong, Jaeho Shin, Do Yun Park, Kyeongha Kwon*, Guillermo Antonio Ameer*, John A Rogers*, Advanced Healthcare Materials, 13(5), 2302797 (2024)

Soft, full Wheatstone bridge 3D pressure sensors for cardiovascular monitoring 

Yoonseok Park*, Haiwen Luan, Kyeongha Kwon, Ted S Chung, Seyong Oh, Jae-Young Yoo, Gooyoon Chung, Junha Kim, Suhyeon Kim, Sung Soo Kwak, Junhwan Choi, Hoang-Phuong Phan, Seonggwang Yoo, Hyoyoung Jeong, Jaeho Shin, Sang Min Won, Hong-Joon Yoon, Yei Hwan Jung*, John A Rogers*,  npj Flexible Electronics, 8(1), 6 (2024)

Triboelectric Nanogenerators for Battery‐Free Wireless Sensor System Using Multi‐Degree of Freedom Vibration

Jihye Kim, Dong‐Min Lee, Hanjun Ryu, Young‐Jun Kim, Han Kim, Hong‐Joon Yoon, Minki Kang, Sung Soo Kwak*, Sang‐Woo Kim*, Advanced Materials Technologies, 9(5), 2301427 (2024)

2023

Synchronized wearables for the detection of haemodynamic states via electrocardiography and multispectral photoplethysmography

Daniel Franklin*, Andreas Tzavelis, Jong Yoon Lee, Ha Uk Chung, Jacob Trueb, Hany Arafa, Sung Soo Kwak, Ivy Huang, Yiming Liu, Megh Rathod, Jonathan Wu, Haolin Liu, Changsheng Wu, Jay A Pandit, Faraz S Ahmad, Patrick M McCarthy, John A Rogers*, Nature Biomedical Engineering, 7(10), 1229-1241 (2023)

Skin-interfaced wireless biosensors for perinatal and paediatric health 

Joohee Kim, Seonggwang Yoo, Claire Liu, Sung Soo Kwak, Jessica R Walter, Shuai Xu, John A Rogers, Nature Reviews Bioengineering, 1(9), 631-647 (2023)

Responsive materials and mechanisms as thermal safety systems for skin-interfaced electronic devices

Seonggwang Yoo, Tianyu Yang, Minsu Park, Hyoyoung Jeong, Young Joong Lee, Donghwi Cho, Joohee Kim, Sung Soo Kwak, Jaeho Shin, Yoonseok Park, Yue Wang, Nenad Miljkovic, William P King*, John A Rogers*, Nature Communications, 14(1), 1024 (2023) 

Bioresorbable, wireless, and battery-free system for electrotherapy and impedance sensing at wound sites

Joseph W Song, Hanjun Ryu, Wubin Bai, Zhaoqian Xie, Abraham Vázquez-Guardado, Khizar Nandoliya, Raudel Avila, Geumbee Lee, Zhen Song, Jihye Kim, Min-Kyu Lee, Yugang Liu, Mirae Kim, Huifeng Wang, Yixin Wu, Hong-Joon Yoon, Sung Soo Kwak, Jaeho Shin, Kyeongha Kwon, Wei Lu, Xuexian Chen, Yonggang Huang, Guillermo A Ameer*, John A Rogers*, Science Advances, 9(8), eade4687 (2023)

Wireless, multimodal sensors for continuous measurement of pressure, temperature, and hydration of patients in wheelchair

Seokjoo Cho, Hyeonseok Han, Hyunwoo Park, Sung-Uk Lee, Jae-Hwan Kim, Sung Woo Jeon, Mengqiu Wang, Raudel Avila, Zhaoqian Xi, Kabseok Ko, Minsu Park, Jungyup Lee, Myungwoo Choi, Je-Sang Lee, Weon Gi Min, Byeong-Ju Lee, Soyeong Lee, Jungrak Choi, Jimin Gu, Jaeho Park, Min Seong Kim, Junseong Ahn, Osman Gul, Chankyu Han, Gihun Lee, Seunghwan Kim, Kyuyoung Kim, Jeonghyun Kim, Chang-Mo Kang, Jahyun Koo, Sung Soo Kwak, Sungbong Kim, Dong Yun Choi, Seokwoo Jeon, Hyung Jin Sung, Yong Bae Park, Minkyu Je, Young Tae Cho, Yong Suk Oh*, Inkyu Park*, npj Flexible Electronics, 7(1), 8 (2023)

2022

Biodegradable, three-dimensional colorimetric fliers for environmental monitoring

Hong-Joon Yoon, Geumbee Lee, Jin-Tae Kim, Jae-Young Yoo, Haiwen Luan, Shyuan Cheng, Soohyeon Kang, Huong Le Thien Huynh, Hyeonsu Kim, Jaehong Park, Joohee Kim, Sung Soo Kwak, Hanjun Ryu, Jihye Kim, Yeon Sik Choi, Hak-Young Ahn, Junhwan Choi, Seyong Oh, Yei Hwan Jung, Minsu Park, Wubin Bai, Yonggang Huang, Leonardo P Chamorro*, Yoonseok Park*, John A Rogers*, Science Advances, 8(51), eade3201 (2022)

Dynamics of plosive consonants via imaging, computations, and soft electronics

Jin-Tae Kim, Wei Ouyang, Hanul Hwang, Hyoyoung Jeong, Soohyeon Kang, Sanjeeb Bose, Sung Soo Kwak, Xiaoyue Ni, Hyeonsu Kim, Jaehong Park, Hope Chen, Alan Soetikno, Joohee Kim, Shuai Xu, Leonardo P Chamorro*, John A Rogers*, Proceedings of the National Academy of Sciences (PNAS), 119(46), e2214164119 (2022)

A bioresorbable peripheral nerve stimulator for electronic pain block

Geumbee Lee, Emily Ray, Hong-Joon Yoon, Sabrina Genovese, Yeon Sik Choi, Min-Kyu Lee, Samet Şahin, Ying Yan, Hak-Young Ahn, Amay J Bandodkar, Joohee Kim, Minsu Park, Hanjun Ryu, Sung Soo Kwak, Yei Hwan Jung, Arman Odabas, Umang Khandpur, Wilson Z Ray, Matthew R MacEwan*, John A Rogers*, Science Advances, 8(40), eabp9169 (2022)

A transient, closed-loop network of wireless, body-integrated devices for autonomous electrotherapy

Yeon Sik Choi, Hyoyoung Jeong, Rose T Yin, Raudel Avila, Anna Pfenniger, Jaeyoung Yoo, Jong Yoon Lee, Andreas Tzavelis, Young Joong Lee, Sheena W Chen, Helen S Knight, Seungyeob Kim, Hak-Young Ahn, Grace Wickerson, Abraham Vázquez-Guardado, Elizabeth Higbee-Dempsey, Bender A Russo, Michael A Napolitano, Timothy J Holleran, Leen Abdul Razzak, Alana N Miniovich, Geumbee Lee, Beth Geist, Brandon Kim, Shuling Han, Jaclyn A Brennan, Kedar Aras, Sung Soo Kwak, Joohee Kim, Emily Alexandria Waters, Xiangxing Yang, Amy Burrell, Keum San Chun, Claire Liu, Changsheng Wu, Alina Y Rwei, Alisha N Spann, Anthony Banks, David Johnson, Zheng Jenny Zhang, Chad R Haney, Sung Hun Jin, Alan Varteres Sahakian, Yonggang Huang, Gregory D Trachiotis, Bradley P Knight, Rishi K Arora*, Igor R Efimov*, John A Rogers*, Science, 376(6596), 1006-1012 (2022)

A wireless near-infrared spectroscopy device for flap monitoring: proof of concept in a porcine musculocutaneous flap model

Changsheng Wu, Alina Y Rwei, Jong Yoon Lee, Wei Ouyang, Lauren Jacobson, Haixu Shen, Haiwen Luan, Yameng Xu, Jun Bin Park, Sung Soo Kwak, Xiaoyue Ni, Wubin Bai, Daniel Franklin, Shuo Li, Yiming Liu, Xinchen Ni, Amanda M Westman, Matthew R MacEwan, John A Rogers*, Mitchell A Pet*, Journal of Reconstructive Microsurgery, 38(02), 096-105 (2022)

A skin‐interfaced, miniaturized microfluidic analysis and delivery system for colorimetric measurements of nutrients in sweat and supply of vitamins through the skin

Joohee Kim, Yixin Wu, Haiwen Luan, Da Som Yang, Donghwi Cho, Sung Soo Kwak, Shanliangzi Liu, Hanjun Ryu, Roozbeh Ghaffari, John A Rogers*, Advanced Science, 9(2), 2103331 (2022)

2021

Skin‐integrated devices with soft, holey architectures for wireless physiological monitoring, with applications in the neonatal intensive care unit

Sung Soo Kwak, Seonggwang Yoo, Raudel Avila, Ha Uk Chung, Hyoyoung Jeong, Claire Liu, Jamie L Vogl, Joohee Kim, Hong‐Joon Yoon, Yoonseok Park, Hanjun Ryu, Geumbee Lee, Jihye Kim, Jahyun Koo, Yong Suk Oh, Sungbong Kim, Shuai Xu, Zichen Zhao, Zhaoqian Xie, Yonggang Huang*, John A Rogers*, Advanced Materials, 33(44), 2103974 (2021)

Miniaturized wireless, skin-integrated sensor networks for quantifying full-body movement behaviors and vital signs in infants

Hyoyoung Jeong, Sung Soo Kwak, Seokwoo Sohn, Jong Yoon Lee, Young Joong Lee, Megan K O’Brien, Yoonseok Park, Raudel Avila, Jin-Tae Kim, Jae-Young Yoo, Masahiro Irie, Hokyung Jang, Wei Ouyang, Nicholas Shawen, Youn J Kang, Seung Sik Kim, Andreas Tzavelis, KunHyuck Lee, Rachel A Andersen, Yonggang Huang, Arun Jayaraman, Matthew M Davis, Thomas Shanley, Lauren S Wakschlag, Sheila Krogh-Jespersen, Shuai Xu, Shirley W Ryan, Richard L Lieber, John A Rogers*, Proceedings of the National Academy of Sciences (PNAS), 118(43), e2104925118 (2021)

Bitter flavored, soft composites for wearables designed to reduce risks of choking in infants

Donghwi Cho, Rui Li, Hyoyoung Jeong, Shupeng Li, Changsheng Wu, Andreas Tzavelis, Seonggwang Yoo, Sung Soo Kwak, Yonggang Huang*, John A Rogers*, Advanced Materials, 33(39), 2103857 (2021)

Wireless, skin‐interfaced devices for pediatric critical care: application to continuous, noninvasive blood pressure monitoring

Claire Liu, Jin‐Tae Kim, Sung Soo Kwak, Aurelie Hourlier‐Fargette, Raudel Avila, Jamie Vogl, Andreas Tzavelis, Ha Uk Chung, Jong Yoon Lee, Dong Hyun Kim, Dennis Ryu, Kelsey B Fields, Joanna L Ciatti, Shupeng Li, Masahiro Irie, Allison Bradley, Avani Shukla, Jairo Chavez, Emma C Dunne, Seung Sik Kim, Jungwoo Kim, Jun Bin Park, Han Heul Jo, Joohee Kim, Michael C Johnson, Jean Won Kwak, Surabhi R Madhvapathy, Shuai Xu, Casey M Rand, Lauren E Marsillio, Sue J Hong, Yonggang Huang*, Debra E Weese‐Mayer*, John A Rogers*, Advanced Healthcare Materials, 10(17), 2100383 (2021)

Battery-free, wireless soft sensors for continuous multi-site measurements of pressure and temperature from patients at risk for pressure injuries

Yong Suk Oh, Jae-Hwan Kim, Zhaoqian Xie, Seokjoo Cho, Hyeonseok Han, Sung Woo Jeon, Minsu Park, Myeong Namkoong, Raudel Avila, Zhen Song, Sung-Uk Lee, Kabseok Ko, Jungyup Lee, Je-Sang Lee, Weon Gi Min, Byeong-Ju Lee, Myungwoo Choi, Ha Uk Chung, Jongwon Kim, Mengdi Han, Jahyun Koo, Yeon Sik Choi, Sung Soo Kwak, Sung Bong Kim, Jeonghyun Kim, Jungil Choi, Chang-Mo Kang, Jong Uk Kim, Kyeongha Kwon, Sang Min Won, Janice Mihyun Baek, Yujin Lee, So Young Kim, Wei Lu, Abraham Vazquez-Guardado, Hyoyoung Jeong, Hanjun Ryu, Geumbee Lee, Kyuyoung Kim, Seunghwan Kim, Min Seong Kim, Jungrak Choi, Dong Yun Choi, Quansan Yang, Hangbo Zhao, Wubin Bai, Hokyung Jang, Yongjoon Yu, Jaeman Lim, Xu Guo, Bong Hoon Kim, Seokwoo Jeon, Charles Davies, Anthony Banks, Hyung Jin Sung, Yonggang Huang*, Inkyu Park*, John A Rogers*, Nature Communications, 12(1), 5008 (2021)

Self-rechargeable cardiac pacemaker system with triboelectric nanogenerators

Hanjun Ryu, Hyun-moon Park, Moo-Kang Kim, Bosung Kim, Hyoun Seok Myoung, Tae Yun Kim, Hong-Joon Yoon, Sung Soo Kwak, Jihye Kim, Tae Ho Hwang, Eue-Keun Choi, Sang-Woo Kim*, Nature Communications, 12(1), 4374 (2021)

Kangaroo father care: A pilot feasibility study of physiologic, biologic, and psychosocial measures to capture the effects of father–infant and mother–infant skin‐to‐skin contact in the Neonatal Intensive Care Unit

Jamie L Vogl*, Emma C Dunne, Claire Liu, Allison Bradley, Alina Rwei, Erin K Lonergan, Bradley S Hopkins, Sung Soo Kwak, Clarissa D Simon, Casey M Rand, John A Rogers, Debra E Weese‐Mayer, Craig F Garfield, Developmental Psychobiology, 63(5), 1521-1533 (2021)

Transparent, compliant 3D mesostructures for precise evaluation of mechanical characteristics of organoids

Hanjun Ryu, Yoonseok Park, Haiwen Luan, Gokhan Dalgin, Kira Jeffris, Hong‐Joon Yoon, Ted S Chung, Jong Uk Kim, Sung Soo Kwak, Geumbee Lee, Hyoyoung Jeong, Jihye Kim, Wubin Bai, Joohee Kim, Yei Hwan Jung, Andrew K Tryba, Joseph W Song, Yonggang Huang, Louis H Philipson, John D Finan*, John A Rogers*, Advanced Materials, 33(25), 2100026 (2021)

Mechanoreceptor‐Inspired Dynamic Mechanical Stimuli Perception based on Switchable Ionic Polarization

Hong‐Joon Yoon, Dong‐Min Lee, Young‐Jun Kim, Sera Jeon, Jae‐Hwan Jung, Sung Soo Kwak, Jihye Kim, SeongMin Kim, Yunseok Kim, Sang‐Woo Kim*, Advanced Functional Materials, 31(23), 2100649 (2021)

Differential cardiopulmonary monitoring system for artifact-canceled physiological tracking of athletes, workers, and COVID-19 patients

Hyoyoung Jeong, Jong Yoon Lee, KunHyuck Lee, Youn J Kang, Jin-Tae Kim, Raudel Avila, Andreas Tzavelis, Joohee Kim, Hanjun Ryu, Sung Soo Kwak, Jong Uk Kim, Aaron Banks, Hokyung Jang, Jan-Kai Chang, Shupeng Li, Chaithanya K Mummidisetty, Yoonseok Park, Simone Nappi, Keum San Chun, Young Joong Lee, Kyeongha Kwon, Xiaoyue Ni, Ha Uk Chung, Haiwen Luan, Jae-Hwan Kim, Changsheng Wu, Shuai Xu, Anthony Banks, Arun Jayaraman, Yonggang Huang, John A Rogers*, Science Advances, 7(20), eabg3092 (2021)

Three-dimensional, multifunctional neural interfaces for cortical spheroids and engineered assembloids

Yoonseok Park, Colin K Franz, Hanjun Ryu, Haiwen Luan, Kristen Y Cotton, Jong Uk Kim, Ted S Chung, Shiwei Zhao, Abraham Vazquez-Guardado, Da Som Yang, Kan Li, Raudel Avila, Jack K Phillips, Maria J Quezada, Hokyung Jang, Sung Soo Kwak, Sang Min Won, Kyeongha Kwon, Hyoyoung Jeong, Amay J Bandodkar, Mengdi Han, Hangbo Zhao, Gabrielle R Osher, Heling Wang, KunHyuck Lee, Yihui Zhang, Yonggang Huang*, John D Finan*, John A Rogers*, Science Advances, 7(12), eabf9153  

2020

A wireless, skin-interfaced biosensor for cerebral hemodynamic monitoring in pediatric care

Alina Y Rwei, Wei Lu, Changsheng Wu, Kelia Human, Emily Suen, Daniel Franklin, Monica Fabiani, Gabriele Gratton, Zhaoqian Xie, Yujun Deng, Sung Soo Kwak, Lizhu Li, Carol Gu, Alanna Liu, Casey M Rand, Tracey M Stewart, Yonggang Huang, Debra E Weese-Mayer*, John A Rogers*, Proceedings of the National Academy of Sciences (PNAS), 117(50), 31674-31684 (2020)

Wireless, skin-interfaced sensors for compression therapy

Yoonseok Park, Kyeongha Kwon, Sung Soo Kwak, Da Som Yang, Jean Won Kwak, Haiwen Luan, Ted S Chung, Keum San Chun, Jong Uk Kim, Hokyung Jang, Hanjun Ryu, Hyoyoung Jeong, Sang Min Won, Youn J Kang, Michael Zhang, David Pontes, Brianna R Kampmeier, Seon Hee Seo, Jeffrey Zhao, Inhwa Jung, Yonggang Huang, Shuai Xu*, John A Rogers*, Science Advances, 6(49), eabe1655 (2020)

Soft, skin-interfaced microfluidic systems with integrated immunoassays, fluorometric sensors, and impedance measurement capabilities

Sungbong Kim, Boram Lee, Jonathan T Reeder, Seon Hee Seo, Sung-Uk Lee, Aurélie Hourlier-Fargette, Joonchul Shin, Yurina Sekine, Hyoyoung Jeong, Yong Suk Oh, Alexander J Aranyosi, Stephen P Lee, Jeffrey B Model, Geumbee Lee, Min-Ho Seo, Sung Soo Kwak, Seongbin Jo, Gyungmin Park, Sunghyun Han, Inkyu Park, Hyo-Il Jung, Roozbeh Ghaffari*, Jahyun Koo*, Paul V Braun*, John A Rogers*, Proceedings of the National Academy of Sciences (PNAS), 117(45), 27906-27915 (2020)

Ultrahigh power output from triboelectric nanogenerator based on serrated electrode via spark discharge

Jihye Kim, Hanchul Cho, Maeum Han, Young Jung, Sung Soo Kwak, Hong‐Joon Yoon, Byunggeon Park, Hyeok Kim, Hyoungjae Kim, Jinhyoung Park*, Sang‐Woo Kim*, Advanced Energy Materials, 10(44), 2002312 (2020)

Wirelessly controlled, bioresorbable drug delivery device with active valves that exploit electrochemically triggered crevice corrosion

Jahyun Koo, Sung Bong Kim, Yeon Sik Choi, Zhaoqian Xie, Amay J Bandodkar, Jawad Khalifeh, Ying Yan, Hojun Kim, Maryam Kherad Pezhouh, Karen Doty, Geumbee Lee, Yu-Yu Chen, Seung Min Lee, Dominic D’Andrea, Kimin Jung, KunHyuck Lee, Kan Li, Seongbin Jo, Heling Wang, Jae-Hwan Kim, Jeonghyun Kim, Sung-Geun Choi, Woo Jin Jang, Yong Suk Oh, Inkyu Park, Sung Soo Kwak, Ji-Hyeon Park, Doosun Hong, Xue Feng, Chi-Hwan Lee, Anthony Banks, Cecilia Leal, Hyuck Mo Lee, Yonggang Huang, Colin K Franz, Wilson Z Ray, Matthew MacEwan*, Seung-Kyun Kang*, John A Rogers*, Science Advances, 6(35), eabb1093 (2020)

Microdischarge‐based direct current triboelectric nanogenerator via accumulation of triboelectric charge in atmospheric condition

Hong‐Joon Yoon, Minki Kang, Wanchul Seung, Sung Soo Kwak, Jihye Kim, Hyoung Taek Kim, Sang‐Woo Kim*, Advanced Energy Materials, 10(25), 2000730 (2020)

High Permittivity CaCu3Ti4O12 Particle‐Induced Internal Polarization Amplification for High Performance Triboelectric Nanogenerators

Jihye Kim, Hanjun Ryu, Jeong Hwan Lee, Usman Khan, Sung Soo Kwak, Hong‐Joon Yoon, Sang‐Woo Kim*, Advanced Energy Materials, 10(9), 1903524 (2020)

Aim high energy conversion efficiency in triboelectric nanogenerators

Hong-Joon Yoon, Sung Soo Kwak, Seong Min Kim*, Sang-Woo Kim*, Science and Technology of Advanced Materials, 21(1), 683-688 (2020)

2019 ~

Highly conductive ferroelectric cellulose composite papers for efficient triboelectric nanogenerators

Hwisu Oh, Sung Soo Kwak, Bosung Kim, Eunju Han, Guh‐Hwan Lim, Sang‐Woo Kim*, Byungkwon Lim*, Advanced Functional Materials, 29(37), 1904066 (2019)

Butylated melamine formaldehyde as a durable and highly positive friction layer for stable, high output triboelectric nanogenerators

Sung Soo Kwak, Seong Min Kim, Hanjun Ryu, Jihye Kim, Usman Khan, Hong-Joon Yoon, Yo Han Jeong, Sang-Woo Kim*, Energy & Environmental Science, 12(10), 3156-3163 (2019)

Textile‐based triboelectric nanogenerators for self‐powered wearable electronics

Sung Soo Kwak, Hong‐Joon Yoon, Sang‐Woo Kim*, Advanced Functional Materials, 29(2), 1804533 (2019)

Sustainable direct current powering a triboelectric nanogenerator via a novel asymmetrical design

Hanjun Ryu, Jeong Hwan Lee, Usman Khan, Sung Soo Kwak, Ronan Hinchet, Sang-Woo Kim*, Energy & Environmental Science, 11(8), 2057-2063 (2018)

Fully stretchable and highly durable triboelectric nanogenerators based on gold-nanosheet electrodes for self-powered human-motion detection

Guh-Hwan Lim, Sung Soo Kwak, Nayoung Kwon, Taekyung Kim, Han Kim, Seong Min Kim, Sang-Woo Kim*, Byungkwon Lim*,  Nano Energy, 42, 300-306 (2017)

Fully stretchable textile triboelectric nanogenerator with knitted fabric structures

Sung Soo Kwak, Han Kim, Wanchul Seung, Jihye Kim, Ronan Hinchet, Sang-Woo Kim*, ACS Nano, 11(11), 10733-10741 (2017)

High‐performance triboelectric nanogenerators based on solid polymer electrolytes with asymmetric pairing of ions

Hanjun Ryu, Ju‐Hyuck Lee, Tae‐Yun Kim, Usman Khan, Jeong Hwan Lee, Sung Soo Kwak, Hong‐Joon Yoon, Sang‐Woo Kim*, Advanced Energy Materials, 7(17), 1700289 (2017)

High‐performance piezoelectric, pyroelectric, and triboelectric nanogenerators based on P (VDF‐TrFE) with controlled crystallinity and dipole alignment

Jihye Kim, Jeong Hwan Lee, Hanjun Ryu, Ju‐Hyuck Lee, Usman Khan, Han Kim, Sung Soo Kwak, Sang‐Woo Kim*, Advanced Functional Materials, 27(22), 1700702 (2017)

Chlorine-trapped CVD bilayer graphene for resistive pressure sensor with high detection limit and high sensitivity

Viet Phuong Pham, Minh Triet Nguyen, Jin Woo Park, Sung Soo Kwak, Dieu Hien Thi Nguyen, Mu Kyeom Mun, Hoang Danh Phan, Doo San Kim, Ki Hyun Kim, Nae-Eung Lee*, Geun Young Yeom*, 2D Materials, 4(2), 025049 (2017)

Binary Oxide p-n Heterojunction Piezoelectric Nanogenerators with an Electrochemically Deposited High p-Type Cu2O Layer

Seung Ki Baek, Sung Soo Kwak, Joo Sung Kim, Sang Woo Kim*, Hyung Koun Cho*, ACS Applied Materials & Interfaces, 8(34), 22135-22141 (2016)

Triboelectrification-induced large electric power generation from a single moving droplet on graphene/polytetrafluoroethylene

Sung Soo Kwak, Shisheng Lin*, Jeong Hwan Lee, Hanjun Ryu, Tae Yun Kim, Huikai Zhong, Hongsheng Chen, Sang-Woo Kim*, ACS Nano, 10(8), 7297-7302 (2016)

Thermally Induced Strain-Coupled Highly Stretchable and Sensitive Pyroelectric Nanogenerators

Ju‐Hyuck Lee, Hanjun Ryu, Tae‐Yun Kim, Sung Soo Kwak, Hong‐Joon Yoon, Tae‐Ho Kim, Wanchul Seung, Sang‐Woo Kim*,  Advanced Energy Materials, 5(18), 1500704 (2015)

Graphene/h-BN/ZnO van der Waals tunneling heterostructure based ultraviolet photodetector

Zhiqian Wu, Xiaoqiang Li, Huikai Zhong, Shengjiao Zhang, Peng Wang, Tae-ho Kim, Sung Soo Kwak, Cheng Liu, Hongsheng Chen, Sang-Woo Kim*, Shisheng Lin*, Optics Express, 23(15), 18864-18871 (2015)