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Stroke-volume-allocation model enabling wearable sensors for vascular age and cardiovascular disease assessment npj Flex. Electron. (IF 14.6) Pub Date : 2024-04-16 Shirong Qiu, Bryan P. Y. Yan, Ni Zhao
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Kirigami-inspired, three-dimensional piezoelectric pressure sensors assembled by compressive buckling npj Flex. Electron. (IF 14.6) Pub Date : 2024-04-11 Yi Zhang, Changbo Liu, Ben Jia, Dongqin Ma, Xuecheng Tian, Yuanyuan Cui, Yuan Deng
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Water-based direct photopatterning of stretchable PEDOT:PSS using amphiphilic block copolymers npj Flex. Electron. (IF 14.6) Pub Date : 2024-04-03 Soon Joo Yoon, Jeongdae Ha, Hyeokjun Lee, Jin Tae Park, Bin Hyung Lee, Kyung-In Jang, Anna Yang, Yoon Kyeung Lee
The use of water-based chemistry in photolithography during semiconductor fabrication is desirable due to its cost-effectiveness and minimal environmental impact, especially considering the large scale of semiconductor production. Despite these benefits, limited research has reported successful demonstrations of water-based photopatterning, particularly for intrinsically water-soluble materials such
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Wireless pressure monitoring system utilizing a 3D-printed Origami pressure sensor array npj Flex. Electron. (IF 14.6) Pub Date : 2024-04-03 Hadi Moeinnia, Danielle Jaye Agron, Carl Ganzert, Loren Schubert, Woo Soo Kim
We present here a 3D-printed pressure mapping mat, equipped with customizable architecture sensors, that offers a cost-effective and adaptable solution, overcoming the size constraints and sensing accuracy issues commonly associated with existing commercial pressure mats across various fields, such as healthcare and sports applications. Leveraging a pillar-origami structure, the demonstrated sensor
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Completely annealing-free flexible Perovskite quantum dot solar cells employing UV-sintered Ga-doped SnO2 electron transport layers npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-20 Wooyeon Kim, Jigeon Kim, Dayoung Kim, Bonkee Koo, Subin Yu, Yuelong Li, Younghoon Kim, Min Jae Ko
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Deformable micro-supercapacitor fabricated via laser ablation patterning of Graphene/liquid metal npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-14 Keon-Woo Kim, Seong Ju Park, Su-Jeong Park, Inae Kim, Bomi Park, Se Hyun Kim, Unyong Jeong, Jin Kon Kim, Chanwoo Yang
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Flexible and wearable battery-free backscatter wireless communication system for colour imaging npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-14 Jun-Lin Zhan, Wei-Bing Lu, Cong Ding, Zhen Sun, Bu-Yun Yu, Lu Ju, Xin-Hua Liang, Zhao-Min Chen, Hao Chen, Yong-Hao Jia, Zhen-Guo Liu, Tie-Jun Cui
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Highly reliable and stretchable OLEDs based on facile patterning method: toward stretchable organic optoelectronic devices npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-09 Minwoo Nam, Jaehyeock Chang, Hagseon Kim, Young Hyun Son, Yongmin Jeon, Jeong Hyun Kwon, Kyung Cheol Choi
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Ultrathin damage-tolerant flexible metal interconnects reinforced by in-situ graphene synthesis npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-08 Kaihao Zhang, Mitisha Surana, Jad Yaacoub, Sameh Tawfick
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Inherently integrated microfiber-based flexible proprioceptive sensor for feedback-controlled soft actuators npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-07 Hwajoong Kim, Hyunbin Na, Seungbeom Noh, Shinwon Chang, Jinho Kim, Taejune Kong, Gyowook Shin, Chankyu Lee, Seonggyu Lee, Yong-Lae Park, Sehoon Oh, Jaehong Lee
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Ultra-sensitive, highly linear, and hysteresis-free strain sensors enabled by gradient stiffness sliding strategy npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-07 Fuhua Xue, Qingyu Peng, Renjie Ding, Pengyang Li, Xu Zhao, Haowen Zheng, Liangliang Xu, Zhigong Tang, Xinxing Zhang, Xiaodong He
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Squid-inspired and wirelessly controllable display for active camouflage in aquatic-environment npj Flex. Electron. (IF 14.6) Pub Date : 2024-03-05 Doyoung Kim, Seung Won Seon, Minkyung Shin, Jihwan Kim, Bogeun Kim, Janghoon Joo, Sang Uk Park, Wooseok Kim, Hee Kyu Lee, Byeong Woon Lee, Se Gi Lee, Su Eon Lee, Ji-Hun Seo, Seung Ho Han, Bong Hoon Kim, Sang Min Won
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Multilayer stretchable electronics with designs enabling a compact lateral form npj Flex. Electron. (IF 14.6) Pub Date : 2024-02-21 Dongwuk Jung, Hunpyo Ju, Sungbum Cho, Taeyeon Lee, Changeui Hong, Jongho Lee
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Stretchable liquid metal based biomedical devices npj Flex. Electron. (IF 14.6) Pub Date : 2024-02-20 Yifan Deng, Fan Bu, Yujie Wang, Pei Song Chee, Xiangye Liu, Cao Guan
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Intelligent upper-limb exoskeleton integrated with soft bioelectronics and deep learning for intention-driven augmentation npj Flex. Electron. (IF 14.6) Pub Date : 2024-02-10 Jinwoo Lee, Kangkyu Kwon, Ira Soltis, Jared Matthews, Yoon Jae Lee, Hojoong Kim, Lissette Romero, Nathan Zavanelli, Youngjin Kwon, Shinjae Kwon, Jimin Lee, Yewon Na, Sung Hoon Lee, Ki Jun Yu, Minoru Shinohara, Frank L. Hammond, Woon-Hong Yeo
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Digitally-defined ultrathin transparent wireless sensor network for room-scale imperceptible ambient intelligence npj Flex. Electron. (IF 14.6) Pub Date : 2024-02-06 Yunxia Jin, Mengxia Yu, Dat T. Nguyen, Xin Yang, Zhipeng Li, Ze Xiong, Chenhui Li, Yuxin Liu, Yong Lin Kong, John S. Ho
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Ultrafast readout, crosstalk suppression iontronic array enabled by frequency-coding architecture npj Flex. Electron. (IF 14.6) Pub Date : 2024-02-03 Zhibin Li, Jing Yang, Yuxuan Zhang, Peiyan Geng, Jiansong Feng, Bin Chen, Xu Zhang, Guojiang Yuan, Xiaolong Chen, Taihong Wang
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Phase transition and electrical conversion properties of Ge/Sb nano-multilayer films on flexible substrates npj Flex. Electron. (IF 14.6) Pub Date : 2024-01-31 Cheng Wang, Yifeng Hu, Li Li
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Soft, full Wheatstone bridge 3D pressure sensors for cardiovascular monitoring npj Flex. Electron. (IF 14.6) Pub Date : 2024-01-29 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
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Rotating square tessellations enabled stretchable and adaptive curved display npj Flex. Electron. (IF 14.6) Pub Date : 2024-01-06 Yang Deng, Kuaile Xu, Rui Jiao, Weixuan Liu, Yik Kin Cheung, Yongkai Li, Xiaoyi Wang, Yue Hou, Wei Hong, Hongyu Yu
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A skin-conformal and breathable humidity sensor for emotional mode recognition and non-contact human-machine interface npj Flex. Electron. (IF 14.6) Pub Date : 2024-01-06 Tongkuai Li, Tingting Zhao, Hao Zhang, Li Yuan, Congcong Cheng, Junshuai Dai, Longwei Xue, Jixing Zhou, Hai Liu, Luqiao Yin, Jianhua Zhang
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A soft magnetoelectric finger for robots’ multidirectional tactile perception in non-visual recognition environments npj Flex. Electron. (IF 14.6) Pub Date : 2024-01-04 Yizhuo Xu, Shanfei Zhang, Shuya Li, Zhenhua Wu, Yike Li, Zhuofan Li, Xiaojun Chen, Congcan Shi, Peng Chen, Pengyu Zhang, Michael D. Dickey, Bin Su
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Intrinsically stretchable light-emitting drawing displays npj Flex. Electron. (IF 14.6) Pub Date : 2024-01-02 Jiaxue Zhang, Qianying Lu, Ming Wu, Yuping Sun, Shaolei Wang, Xiaoliang Wang, Ming-Hui Lu, Desheng Kong
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Large-scale fully printed “Lego Bricks” type wearable sweat sensor for physical activity monitoring npj Flex. Electron. (IF 14.6) Pub Date : 2023-12-20 Wenhui Ji, Huanzhuan Liu, Yadong Liu, Wei Zhang, Tong Zhou, Xinxin Liu, Chao Tao, Jiangxuan Dai, Baoli Zha, Ruijie Xie, Jiansheng Wu, Qiong Wu, Weina Zhang, Lin Li, Fengwei Huo
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Wearable, epidermal devices for assessment of swallowing function npj Flex. Electron. (IF 14.6) Pub Date : 2023-12-20 Tarek Rafeedi, Abdulhameed Abdal, Beril Polat, Katherine A. Hutcheson, Eileen H. Shinn, Darren J. Lipomi
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Bringing sensation to prosthetic hands—chronic assessment of implanted thin-film electrodes in humans npj Flex. Electron. (IF 14.6) Pub Date : 2023-11-19 Paul Čvančara, Giacomo Valle, Matthias Müller, Inga Bartels, Thomas Guiho, Arthur Hiairrassary, Francesco Petrini, Stanisa Raspopovic, Ivo Strauss, Giuseppe Granata, Eduardo Fernandez, Paolo M. Rossini, Massimo Barbaro, Ken Yoshida, Winnie Jensen, Jean-Louis Divoux, David Guiraud, Silvestro Micera, Thomas Stieglitz
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Imperceptive and reusable dermal surface EMG for lower extremity neuro-prosthetic control and clinical assessment npj Flex. Electron. (IF 14.6) Pub Date : 2023-10-25 Jaeu Park, Jinwoong Jeong, Minseok Kang, Nagwade Pritish, Youngjun Cho, Jeongdae Ha, Junwoo Yea, Kyung-In Jang, Hyojin Kim, Jumin Hwang, Byungchae Kim, Sungjoon Min, Hoijun Kim, Soonchul Kwon, ChangSik John Pak, HyunSuk Peter Suh, Joon Pio Hong, Sanghoon Lee
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Self-healable stretchable printed electronic cryogels for in-vivo plant monitoring npj Flex. Electron. (IF 14.6) Pub Date : 2023-10-23 Eloïse Bihar, Elliot J. Strand, Catherine A. Crichton, Megan N. Renny, Ignacy Bonter, Tai Tran, Madhur Atreya, Adrian Gestos, Jim Haseloff, Robert R. McLeod, Gregory L. Whiting
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Switchable photothermal conversion efficiency for reprogrammable actuation npj Flex. Electron. (IF 14.6) Pub Date : 2023-10-20 Yongcheng He, Haojun Liu, Jiajia Luo, Nuo Li, Lihua Li, Puxian Xiong, Jiulin Gan, Zhongmin Yang
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Skin-integrated, biocompatible, and stretchable silicon microneedle electrode for long-term EMG monitoring in motion scenario npj Flex. Electron. (IF 14.6) Pub Date : 2023-10-17 Huawei Ji, Mingyu Wang, Yutong Wang, Zhouheng Wang, Yinji Ma, Lanlan Liu, Honglei Zhou, Ze Xu, Xian Wang, Ying Chen, Xue Feng
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Scalable and eco-friendly flexible loudspeakers for distributed human-machine interactions npj Flex. Electron. (IF 14.6) Pub Date : 2023-10-07 Yucong Pi, Qiutong Liu, Zhaoyang Li, Dazhe Zhao, Kaijun Zhang, Zhirui Liu, Bingpu Zhou, Iek Man Lei, Yuan Ma, Junwen Zhong
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Skin-interfaced colorimetric microfluidic devices for on-demand sweat analysis npj Flex. Electron. (IF 14.6) Pub Date : 2023-09-01 Weiyi Liu, Huanyu Cheng, Xiufeng Wang
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Resilient conductive membrane synthesized by in-situ polymerisation for wearable non-invasive electronics on moving appendages of cyborg insect npj Flex. Electron. (IF 14.6) Pub Date : 2023-09-01 Qifeng Lin, Rui Li, Feilong Zhang, Kazuki Kai, Zong Chen Ong, Xiaodong Chen, Hirotaka Sato
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Fully implantable and battery-free wireless optoelectronic system for modulable cancer therapy and real-time monitoring npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-28 Kiho Kim, In Sik Min, Tae Hee Kim, Do Hyeon Kim, Seungwon Hwang, Kyowon Kang, Kyubeen Kim, Sangun Park, Jongmin Lee, Young Uk Cho, Jung Woo Lee, Woon-Hong Yeo, Young Min Song, Youngmee Jung, Ki Jun Yu
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A soft, high-density neuroelectronic array npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-22 Kyung Jin Seo, Mackenna Hill, Jaehyeon Ryu, Chia-Han Chiang, Iakov Rachinskiy, Yi Qiang, Dongyeol Jang, Michael Trumpis, Charles Wang, Jonathan Viventi, Hui Fang
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Recent advances in flexible noninvasive electrodes for surface electromyography acquisition npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-16 Lian Cheng, Jun Li, Aiying Guo, Jianhua Zhang
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270 nm ultra-thin self-adhesive conformable and long-term air-stable complimentary organic transistors and amplifiers npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-11 Mohammad Javad Mirshojaeian Hosseini, Yi Yang, Walter Kruger, Tomoyuki Yokota, Sunghoon Lee, Takao Someya, Robert A. Nawrocki
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Deep-learning-assisted printed liquid metal sensory system for wearable applications and boxing training npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-08 Ye Qiu, Zhihui Zou, Zhanan Zou, Nikolas Kurnia Setiawan, Karan Vivek Dikshit, Gregory Whiting, Fan Yang, Wenan Zhang, Jiutian Lu, Bingqing Zhong, Huaping Wu, Jianliang Xiao
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A review on barrier layers used in flexible stainless-steel based CIGS photovoltaic devices npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-07 Sarallah Hamtaei, Guy Brammertz, Jef Poortmans, Bart Vermang
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Strain-enhanced electrical performance in stretchable semiconducting polymers npj Flex. Electron. (IF 14.6) Pub Date : 2023-08-01 Qing Zhou, Zhihui Wang, Yongkun Yan, Longfei Yang, Kai Chi, Yangjiang Wu, Wenhao Li, Zhiying Yi, Yunqi Liu, Yan Zhao
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Wireless electromagnetic neural stimulation patch with anisotropic guidance npj Flex. Electron. (IF 14.6) Pub Date : 2023-07-31 Bjarke Nørrehvedde Jensen, Yuting Wang, Alice Le Friec, Sadegh Nabavi, Mingdong Dong, Dror Seliktar, Menglin Chen
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An intrinsically stretchable multi-biochemical sensor for sweat analysis using photo-patternable ecoflex npj Flex. Electron. (IF 14.6) Pub Date : 2023-07-24 Seungwan Kim, Joohyuk Kang, Injun Lee, Jinhyeong Jang, Chan Beum Park, Wonryung Lee, Byeong-Soo Bae
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Wearable bioelectronics fabricated in situ on skins npj Flex. Electron. (IF 14.6) Pub Date : 2023-07-17 Faheem Ershad, Shubham Patel, Cunjiang Yu
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Ultra-conformable liquid metal particle monolayer on air/water interface for substrate-free E-tattoo npj Flex. Electron. (IF 14.6) Pub Date : 2023-07-11 Fali Li, Wenjuan Lei, Yuwei Wang, Xingjian Lu, Shengbin Li, Feng Xu, Zidong He, Jinyun Liu, Huali Yang, Yuanzhao Wu, Jie Shang, Yiwei Liu, Run-Wei Li
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Real-time multiaxial strain mapping using computer vision integrated optical sensors npj Flex. Electron. (IF 14.6) Pub Date : 2023-07-10 Sunguk Hong, Vega Pradana Rachim, Jin-Hyeok Baek, Sung-Min Park
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In-situ artificial retina with all-in-one reconfigurable photomemristor networks npj Flex. Electron. (IF 14.6) Pub Date : 2023-07-10 Yichen Cai, Yizhou Jiang, Chenxu Sheng, Zhiyong Wu, Luqiu Chen, Bobo Tian, Chungang Duan, Shisheng Xiong, Yiqiang Zhan, Chunxiao Cong, Zhi-Jun Qiu, Yajie Qin, Ran Liu, Laigui Hu
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Ultra-flexible semitransparent organic photovoltaics npj Flex. Electron. (IF 14.6) Pub Date : 2023-06-03 Hanbee Lee, Soyeong Jeong, Jae-Hyun Kim, Yong-Ryun Jo, Hyeong Ju Eun, Byoungwook Park, Sung Cheol Yoon, Jong H. Kim, Seung-Hoon Lee, Sungjun Park
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Tough, rapid self-recovery and responsive organogel-based ionotronic for intelligent continuous passive motion system npj Flex. Electron. (IF 14.6) Pub Date : 2023-06-03 Jie Tang, Yuan He, Dan Xu, Weijie Zhang, Yang Hu, Heming Song, Yunxia Zhang, Yong Mei Chen, Yang Yang, Kai Zhang
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Wearable sensors for telehealth based on emerging materials and nanoarchitectonics npj Flex. Electron. (IF 14.6) Pub Date : 2023-06-02 Jayraj V. Vaghasiya, Carmen C. Mayorga-Martinez, Martin Pumera
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Biodegradable elastomeric circuit boards from citric acid-based polyesters npj Flex. Electron. (IF 14.6) Pub Date : 2023-06-01 Brendan L. Turner, Jack Twiddy, Michael D. Wilkins, Srivatsan Ramesh, Katie M. Kilgour, Eleo Domingos, Olivia Nasrallah, Stefano Menegatti, Michael A. Daniele
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A new route to fabricate flexible, breathable composites with advanced thermal management capability for wearable electronics npj Flex. Electron. (IF 14.6) Pub Date : 2023-05-08 Huibao Chen, Yafei Ding, Guimei Zhu, Yu Liu, Qun Fang, Xue Bai, Yan Zhao, Xin Li, Xingyi Huang, Tong-Yi Zhang, Baowen Li, Bin Sun
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Two quasi-interfacial p-n junctions observed by a dual-irradiation system in perovskite solar cells npj Flex. Electron. (IF 14.6) Pub Date : 2023-04-25 Mohamed I. Omer, Tao Ye, Xianqiang Li, Shaoyang Ma, Dan Wu, Lei Wei, Xiaohong Tang, Seeram Ramakrishna, Qiang Zhu, Shanxing Xiong, Jianwei Xu, Chellappan Vijila, Xizu Wang
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Ultra-stable and tough bioinspired crack-based tactile sensor for small legged robots npj Flex. Electron. (IF 14.6) Pub Date : 2023-04-20 Taewi Kim, Insic Hong, Minho Kim, Sunghoon Im, Yeonwook Roh, Changhwan Kim, Jongcheon Lim, Dongjin Kim, Jieun Park, Seunggon Lee, Daseul Lim, Junggwang Cho, Seokhaeng Huh, Seung-Un Jo, ChangHwan Kim, Je-Sung Koh, Seungyong Han, Daeshik Kang
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All-natural phyllosilicate-polysaccharide triboelectric sensor for machine learning-assisted human motion prediction npj Flex. Electron. (IF 14.6) Pub Date : 2023-04-17 Yuanhao Liu, Yiwen Shen, Wei Ding, Xiangkun Zhang, Weiliang Tian, Song Yang, Bin Hui, Kewei Zhang
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Stretchable array electromyography sensor with graph neural network for static and dynamic gestures recognition system npj Flex. Electron. (IF 14.6) Pub Date : 2023-04-12 Hyeyun Lee, Soyoung Lee, Jaeseong Kim, Heesoo Jung, Kyung Jae Yoon, Srinivas Gandla, Hogun Park, Sunkook Kim
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Multi-parameter e-skin based on biomimetic mechanoreceptors and stress field sensing npj Flex. Electron. (IF 14.6) Pub Date : 2023-04-08 Chao Shang, Qunhui Xu, Nengmin Liang, Jianpeng Zhang, Lu Li, Zhengchun Peng
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High performance flexible Sn-Pb mixed perovskite solar cells enabled by a crosslinking additive npj Flex. Electron. (IF 14.6) Pub Date : 2023-03-30 Ya Li, Suhao Yan, Jiupeng Cao, Haoyu Chen, Bingxu Liu, Jiankai Xie, Yuting Shu, Fangfang Wang, Aifei Wang, Jingjin Dong, Tianshi Qin
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Flexible and transparent thin-film light-scattering photovoltaics about fabrication and optimization for bifacial operation npj Flex. Electron. (IF 14.6) Pub Date : 2023-03-27 Soo-Won Choi, Jae-Ho Park, Ji-Woo Seo, Chaewon Mun, Yonghun Kim, Pungkeun Song, Myunghun Shin, Jung-Dae Kwon
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Emergence of flexible kesterite solar cells: progress and perspectives npj Flex. Electron. (IF 14.6) Pub Date : 2023-03-23 Jianjun Li, Kaiwen Sun, Xiaojie Yuan, Jialiang Huang, Martin A. Green, Xiaojing Hao
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Fiber-based quantum-dot pulse oximetry for wearable health monitoring with high wavelength selectivity and photoplethysmogram sensitivity npj Flex. Electron. (IF 14.6) Pub Date : 2023-03-17 Ho Seung Lee, Byeongju Noh, Seong Uk Kong, Yong Ha Hwang, Ha-Eun Cho, Yongmin Jeon, Kyung Cheol Choi