Article
Chemistry, Physical
Senhao Zhang, Jia Zhu, Yingying Zhang, Zhensheng Chen, Chaoyun Song, Jiuqiang Li, Ning Yi, Donghai Qiu, Kai Guo, Cheng Zhang, Taisong Pan, Yuan Lin, Honglei Zhou, Hao Long, Hongbo Yang, Huanyu Cheng
Summary: This study introduces stretchable microstrip antennas with varying 3D configurations to improve on-body radiation performance. Compared to 2D antennas, these antennas exhibit better stretchability and peak gain, allowing for increased wireless transmission distance and charging rate.
Article
Chemistry, Multidisciplinary
Shuwen Chen, Shicheng Fan, Jiaming Qi, Ze Xiong, Zheng Qiao, Zixiong Wu, Joo Chuan Yeo, Chwee Teck Lim
Summary: A bilayer liquid-solid conductor (b-LSC) with amphiphilic properties is introduced in this study to interface reliably with both rigid electronics and elastomeric substrates. It exhibits high strain-insensitive conductivity, extreme stretchability, and negligible resistance change under ultra-high strain. The b-LSC can be used for various applications, such as stretchable sensor arrays, multi-layered stretchable displays, and highly integrated haptic user-interactive optoelectric E-skins.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Maria Sakovsky, Jan Negele, Joseph Costantine
Summary: This work demonstrates the use of mechanical metamaterials for stretchable conductors and dielectrics in antennas, enabling control over coupling between mechanical stretching and electromagnetic reconfiguration. It shows that mechanical metamaterials can achieve similar frequency reduction upon stretching as monolithic conductors, while also providing a miniaturization effect.
Article
Materials Science, Multidisciplinary
Jia Zhu, Zhihui Hu, Chaoyun Song, Ning Yi, Zhaozheng Yu, Zhendong Liu, Shangbin Liu, Mengjun Wang, Michael Gregory Dexheimer, Jian Yang, Huanyu Cheng
Summary: The ultimate application of bio-integrated, stretchable electronics relies on the crucial modules of stretchable wireless data transmission and power supplies, with the introduction of stretchable wideband antennas and rectennas robustly operating and combining received RF power over their wideband upon mechanical deformations, creating application opportunities such as self-powered systems, remote monitoring of the environment, and clean energy.
MATERIALS TODAY PHYSICS
(2021)
Article
Chemistry, Physical
Tianpeng Ding, Yi Zhou, Xiao-Qiao Wang, Chen Zhang, Tongtao Li, Yin Cheng, Wanheng Lu, Jiaqing He, Ghim Wei Ho
Summary: A soft and stretchable thermogalvanic fabric woven from hydrogel fibers is proposed, with ideal mechanical properties for adapting to irregular and continuously deformed skin and achieving efficient body heat harvesting.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Cheng Xu, Yong Sun, Junji Zhang, Wei Xu, He Tian
Summary: Traditional inorganic thermoelectric materials and flexible organic conductive polymers have limitations. This study proposes the use of a polyacrylamide-based ultra-stretchable hydrogel matrix with suitable electrolytes to address these limitations and develop a portable thermocell for human body surfaces.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Zekun Liu, Yan Zheng, Lu Jin, Kaili Chen, Heng Zhai, Qiyao Huang, Zhongda Chen, Yangpeiqi Yi, Muhammad Umar, Lulu Xu, Gang Li, Qingwen Song, Pengfei Yue, Yi Li, Zijian Zheng
Summary: This paper presents a novel wearable strain sensor with high sensitivity and wide sensing range, which is breathable and insensitive to pressure and bending stimuli. It offers a new route for achieving comfortable, high-performance, and anti-jamming strain sensors.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Gargi Ghosh, Atanu Bag, Adeela Hanif, Montri Meeseepong, Yu Rim Lee, Nae-Eung Lee
Summary: Research on transient wearable electronics is gaining interest due to their ability to seamlessly conform to human tissues and disappear when disposed. However, the challenge lies in finding materials that are both biodegradable and stretchable. This study addresses these challenges by developing a biodegradable nanofiber-reinforced water-borne polyurethane with stretchability, toughness, and partial biodegradability. The research demonstrates the potential of these materials for use in transient wearable electronics.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Xinqin Liao, Wensong Wang, Liang Wang, Haoran Jin, Lin Shu, Xiangmin Xu, Yuanjin Zheng
Summary: The study introduces a highly stretchable and deformation-insensitive bionic electronic exteroceptive neural sensor, fabricated from polyester thread coated with carbon nanotubes. This sensor features all-in-one bionic multifunctional characteristics, high stretchability, and unprecedented deformation-insensitive functional property, allowing it to continuously function even under significant stretching.
Article
Nanoscience & Nanotechnology
Kukro Yoon, Sanghyeon Lee, Donghun Shim, Minkyu Lee, Sungjoon Cho, Chaebeen Kwon, Chihyeong Won, Jinhan Lee, Han Hee Jung, Seungmin Lee, Kyung-In Jang, Jaehong Lee, Taeyoon Lee
Summary: A facile chemical process was used to fabricate highly conductive buckled shells by densely distributing Ag nanoparticles in polyurethane, resulting in strain-insensitive stretchable fiber conductors. These buckled AgNPs/PU fibers showed stable and reliable electrical responses, high electrical conductivity, and quality factor. pH sensors based on these fibers also exhibited stable, repeatable, and highly distinguishable responses under high tensile strain.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Engineering, Electrical & Electronic
Weichen Wang, Sihong Wang, Reza Rastak, Yuto Ochiai, Simiao Niu, Yuanwen Jiang, Prajwal Kammardi Arunachala, Yu Zheng, Jie Xu, Naoji Matsuhisa, Xuzhou Yan, Soon-Ki Kwon, Masashi Miyakawa, Zhitao Zhang, Rui Ning, Amir M. Foudeh, Youngjun Yun, Christian Linder, Jeffrey B. -H. Tok, Zhenan Bao
Summary: The study demonstrates an all-elastomer strain engineering approach to create strain-insensitive intrinsically stretchable transistor arrays, achieving stable performance by adjusting stiffness through patterned elastomer layers. This method is suitable for developing devices for monitoring physiological signals with intimate interfaces to the human body.
NATURE ELECTRONICS
(2021)
Article
Chemistry, Multidisciplinary
Hyunbum Kang, Yeongjun Lee, Gae Hwang Lee, Jong Won Chung, Young-Nam Kwon, Joo-Young Kim, Yasutaka Kuzumoto, Sangah Gam, Sung-Gyu Kang, Ji Young Jung, Ajeong Choi, Youngjun Yun
Summary: A stretchable and skin-conformable photodiode (PD) is essential for the development of next-generation wearable electronics. This study demonstrates intrinsically stretchable polymer-based PDs (is-PPDs) with high detectivity and high mechanical stretchability. By using elastomeric photoactive layers and conducting polymer-based stretchable transparent electrodes, is-PPDs exhibit excellent detectivity and stable performance even under large deformation.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Jia Zhu, Zhihui Hu, Senhao Zhang, Xianzhe Zhang, Honglei Zhou, Chenghao Xing, Huaiqian Guo, Donghai Qiu, Hongbo Yang, Chaoyun Song, Huanyu Cheng
Summary: This paper reports on a mechanically assembled 3D stretchable wideband dipole antenna that demonstrates excellent on-body performance and tunable properties. By coupling resonances, a large bandwidth is achieved, even when directly placed on human bodies or stretched over 25%. This antenna allows for stable transmission of wireless data and energy, making it highly applicable in on-body wireless communication and powering.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Zidong He, Yuwei Wang, Huiyun Xiao, Yuanzhao Wu, Xiangling Xia, Shengbin Li, Jinyun Liu, Kai Huang, Fen Wang, Jie Shang, Yiwei Liu, Hongyang Li, Fali Li, Shengding Wang, Guang Zhu, Run-Wei Li
Summary: This study presents a highly stretchable and deformation-stable NFC antenna, based on a spider-web structure and liquid-metal microchannels. Results from finite element analysis and experimental tests show that the proposed antenna is insensitive to tensile loading, with small inductance variation and resonance frequency shift. Its resilience and stability are proven under various circumstances, making it suitable for wearable electronics. The antenna's resonant frequency remains stable even when placed on a contracting and expanding balloon or moving knee joints.
Article
Nanoscience & Nanotechnology
Yuya Nishio, Jun Hirotani, Shigeru Kishimoto, Hiromichi Kataura, Yutaka Ohno
Summary: Stretchable devices have great potential for wearable devices and soft robotics, but challenges remain in achieving low-voltage operation, mechanical stretchability, and easy circuit design. Introducing a local strain suppression layer significantly improves the performance of all-carbon nanotube stretchable thin-film transistors and integrated circuits, enabling them to operate normally even under high strain conditions.
ADVANCED ELECTRONIC MATERIALS
(2021)
Article
Engineering, Electrical & Electronic
Jiayu Hou, Jayakrishnan M. Purushothama, Haijun Fan, Chaoyun Song, Yuan Ding, Mathini Sellathurai
Summary: This study proposes a reconfigurable power divider (RPD) enabled energy efficient direction modulation (DM) transmitter for orthogonal frequency division multiplexing (OFDM) modulated data transmission. The RPD can smartly select output ports and operate as a power divider or a switch with appropriate control conditions, allowing it to recycle wasted energy in the 'OFF' state antennas of conventional DM transmitters.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2023)
Review
Chemistry, Multidisciplinary
Ankan Dutta, Huanyu Cheng
Summary: Transient electronic devices have shown promising applications in hardware security and medical implants with diagnosing therapeutics capabilities since their inception. Control of the device transience allows the device to dissolve at will after its functional operation, leading to the development of on-demand transient electronics. This review discusses the recent developments and advantages of triggering strategies (e.g., electrical, thermal, ultrasound, and optical) for controlling the degradation of on-demand transient electronics.
Article
Chemistry, Multidisciplinary
Cheng Zhang, Xiaohong Ding, Huanyu Cheng, Jinguo Chen, Jindong Gao, Guanglong Tan, Shaobo Bai, Kangwei Weng, Hua Min Chen, Yanhui Yang, Jun Wang
Summary: Integrating wearable gas sensors with energy harvesting and storage devices creates self-powered systems for continuous monitoring of gaseous molecules. However, limited development has been seen due to complex fabrication processes, poor stretchability, and sensitivity. This study presents a low-cost and scalable laser scribing method for crumpled graphene/MXenes nanocomposite foams, which combines stretchable self-charging power units with gas sensors to create a fully integrated standalone gas sensing system.
Article
Multidisciplinary Sciences
Ruoxi Yang, Ankan Dutta, Bowen Li, Naveen Tiwari, Wanqing Zhang, Zhenyuan Niu, Yuyan Gao, Daniel Erdely, Xin Xin, Tiejun Li, Huanyu Cheng
Summary: In this study, a programmable fabrication method was proposed to integrate an ultrathin ionic layer into a pressure sensor, achieving excellent linearity, high sensitivity, and ultrahigh pressure resolution under large pressure preloads. The optimized sensor exhibited a sensitivity of 33.7 kPa(-1) over a linear range of 1700 kPa, a detection limit of 0.36 Pa, and a pressure resolution of 0.00725% under 2000 kPa pressure. The sensor showed rapid response/recovery and excellent repeatability, and it was applied to subtle pulse detection, interactive robotic hand, and ultrahigh-resolution smart weight scale/chair.
NATURE COMMUNICATIONS
(2023)
Article
Materials Science, Multidisciplinary
Haonan Wang, Bowen Li, Wen Wang, Kuaishe Wang
Summary: This article presents a detailed investigation of the texture evolution of Nb-1Zr alloy during friction stir processing (FSP). The use of electron backscatter diffraction (EBSD) for orientation analysis allows for the study of texture evolution in different processing areas and under various processing parameters, providing insights into the flow state of materials based on local textures. Based on the research findings, a more accurate model describing the shear plane of FSP Nb-1Zr alloy texture, which resembles an irregular truncated cone, has been established.
MATERIALS TODAY COMMUNICATIONS
(2023)
Article
Nanoscience & Nanotechnology
Li Yang, He Wang, Abu Musa Abdullah, Chuizhou Meng, Xue Chen, Anqi Feng, Huanyu Cheng
Summary: Wearable electrochemical sensors can detect molecular-level information from biochemical markers in biofluids for physiological health evaluation. This study demonstrates the low-cost direct laser writing of porous graphene foam as a flexible electrochemical sensor for detecting biomarkers and electrolytes in sweat. The resulting sensor exhibits high sensitivity and low detection limit for various biomarkers in sweat, offering opportunities for noninvasive continuous monitoring of gout, hydration status, and drug intake/overdose.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Engineering, Biomedical
Gaojie Zhang, Qiao Xu, Yongbo Zheng, Yu Jiang, Yueqiang Peng, Linfeng Wang, Siwei Ding, Jiayu Liu
Summary: This study introduces a rapid method using the built-in inclinometer in smartphones to measure the infundibulopelvic angles (IPA) in patients with lower pole renal calculi (LPC). The results show that the smartphone method has favorable agreement with the conventional PACS system and requires less time. The study concludes that the smartphone method is rapid, convenient, accurate, and reliable in evaluating renal anatomy parameters of LPC patients.
EXPERT REVIEW OF MEDICAL DEVICES
(2023)
Article
Engineering, Electrical & Electronic
Chaoyun Song, Lei Wang, Ping Lu, Cheng Zhang, Zhensheng Chen, Xuezhi Zheng, Yejun He, George Goussetis, Guy A. E. Vandenbosch, Yi Huang
Summary: This article presents an innovative wireless power transfer system that uses millimeter-wave power for multinode charging and tracking. The system utilizes leaky-wave antenna transmitters for passive beam scanning without the need for active phased arrays. The article also introduces a breakthrough design for receiving rectenna at mmWave frequencies, achieving high conversion efficiency and wide beamwidth.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2023)
Correction
Multidisciplinary Sciences
Ruoxi Yang, Ankan Dutta, Bowen Li, Naveen Tiwari, Wanqing Zhang, Zhenyuan Niu, Yuyan Gao, Daniel Erdely, Xin Xin, Tiejun Li, Huanyu Cheng
NATURE COMMUNICATIONS
(2023)
Article
Multidisciplinary Sciences
Jaejin Park, Kyubeen Kim, Yujin Kim, Tae Soo Kim, In Sik Min, Bowen Li, Young Uk Cho, Chanwoo Lee, Ju Young Lee, Yuyan Gao, Kyowon Kang, Do Hyeon Kim, Won Jun Choi, Hyun-Beom Shin, Ho Kwan Kang, Young Min Song, Huanyu Cheng, Il-Joo Cho, Ki Jun Yu
Summary: This study presents a wireless, solar-powered, flexible optoelectronic device for neuromodulation in freely moving animals. The device uses high-efficiency, thin photovoltaics to harvest energy from various light sources and powers a Bluetooth system for long-term, on-demand use. The device demonstrated notable capabilities and showed potential for space-free neuromodulating applications.
Article
Materials Science, Multidisciplinary
Xiaohong Ding, Yunchi Cai, Guofei Lu, Jiapeng Hu, Jinyun Zhao, Longhui Zheng, Zixiang Weng, Huanyu Cheng, Jing Lin, Lixin Wu
Summary: This study presents a facile approach to fabricating stretchable superhydrophobic surfaces with different microstructures for multi-stage liquid droplet micro-reactors. The surfaces with arc-shaped air pockets enable droplet micro-reactions, while the surfaces with V-shaped air pockets facilitate the transport of droplets in between reactions.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Chemistry, Physical
Qingwen Fan, Peng Fu, Elliot L. Bennett, Chaoyun Song, Yuchun Zhang
Summary: The coordination of energy density and power density is achieved by using metal oxide (MnO2) in 3D porous carbon to provide pseudocapacitance. A composite material (JSPCC-MnO2) with a specific capacitance of 310.6 F/g, an energy density of 42.4 Wh/kg, and a power density of 1425 W/kg has been synthesized. The pseudo-capacitance process of JSPCC-MnO2 involves reversible charge transfer from Mn (II) to Mn (IV) to achieve high specific capacitance and energy density through multiple charge transfer dynamics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Environmental
Guanfeng Zheng, Xinglin Li, Chaoyun Song, Lei Wang, Zhiyu Li, Yuchun Zhang, Peng Fu
Summary: This study combines the unique structure of wood with silver nanoparticles (Ag NPs) to achieve efficient catalytic reduction of dyes. The interaction between metal and wood channels and the degradation performance of Ag/wood composite materials exhibit a volcano-shaped trend with the increase of silver content. The contact area between Ag NPs and dye molecules plays a key role in the degradation process.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Automation & Control Systems
Yuchao Wang, Cheng Zhang, Zebin Zhu, Shihao Sun, Lei Wang, Chaoyun Song, Qiang Cheng
Summary: In this paper, a novel adaptive rectifier system is proposed to provide stabilized DC output power under dynamic power densities. The experimentally validated system has achieved stabilized and enhanced conversion efficiency, making it suitable for continuous and steady wireless power supply to sensors and IoT devices under flexible conditions.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
