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Article
Chemistry, Multidisciplinary
Heng Zhang et al.
Summary: This research aims to design a flexible optical/electrical skin capable of responding to complex stimuli with interactive feedback of human-readable structural colors. The OE-skin consists of various layers including an ionic electrode, elastomer dielectric layer, chromotropic layer, and a conductive carbon nanotube/MXene layer. It delivers an ultrafast, accurate response for capacitive pressure sensing and visualizes complex deformations in high-resolution spatial colors.
Review
Multidisciplinary Sciences
Shaofan Yuan et al.
Summary: Geometry, as an ancient yet vibrant branch of mathematics, has significant and far-reaching impacts on various disciplines. In this article, we introduce a novel concept called geometric deep optical sensing, which is based on recent advancements in optical sensing and imaging. It involves the use of reconfigurable sensors to directly extract rich information from unknown incident light beams, including intensity, spectrum, polarization, spatial features, and angular momentum. We discuss the physical, mathematical, and engineering foundations of this concept, with a focus on classical and quantum geometry as well as deep neural networks. Furthermore, we explore the potential opportunities and challenges associated with this emerging scheme.
Article
Multidisciplinary Sciences
Yufei Zhang et al.
Summary: In this study, the authors demonstrated the use of photo-reticulated strain localization films (prslPDMS) to prepare ultralow crosstalk sensor arrays for manufacturing large scale flexible electronics. The developed sensor arrays showed sufficient pressure resolution to detect 1 g weight even in bending conditions, and could be used to monitor human pulse and analyze grasping postures.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Xiaobing Yan et al.
Summary: A spiking neural network (SNN) based on ferroelectric Si:HfO2 film (-6.8 nm) memristor was successfully realized in this study. The Si:HfO2-based memristor exhibited lower switching voltage (1.55/-1.50 V) and super low power consumption (-32.65 fJ), and reliably implemented multiple synaptic functions. The SNN constructed by these synaptic devices and artificial neuron models successfully implemented spatiotemporal model recognition and unsupervised synaptic weight update functions, demonstrating the excellent adaptability and versatility of this SNN.
Article
Chemistry, Physical
Biswajoy Bagchi et al.
Summary: Researchers have developed a new hydrogel-based, all-soft, self-healing, and stretchable triboelectric nanogenerator (TENG) that exhibits outstanding power generation capability and biocompatibility. The TENG utilizes semi-transparent hydrogel doped with gold nanoparticles as an electrode and Ecoflex as the triboelectric layer, integrating multiple functionalities. The moldable components allow for the fabrication of wearable or implantable self-powered devices that conform to the human body.
Article
Multidisciplinary Sciences
Junli Shi et al.
Summary: Iontronic pressure sensors are promising in robot haptics due to their high sensing performance using nanoscale electric double layers. Achieving both high sensitivity and high mechanical stability is challenging, but researchers have embedded isolated microstructured ionic gel in a hole array of elastomeric matrix, cross-linked the IMIGs laterally, and designed a circuit with a compensation algorithm to enhance robustness and suppress cross-talk between sensing elements. The skin has shown potential for robotic manipulation tasks and object recognition.
Article
Chemistry, Multidisciplinary
Tiezhu Liu et al.
Summary: In this study, a multichannel flexible pulse perception array based on a PI/MPN/PI sandwich-structure pressure sensor was proposed for remote disease diagnosis. The results indicate that intelligent disease diagnosis systems have great potential applications in wearable healthcare devices.
Article
Materials Science, Multidisciplinary
Xiaobing Yan et al.
Summary: Biologically inspired neuromorphic sensory memory systems based on memristor have attracted a lot of attention in the artificial intelligence industry due to their potential in processing multi-sensory signals from complex external environments effectively. However, the significant parameter dispersion in many memristors poses a great challenge for their use in bionic neuromorphic sensory memory systems.
Article
Chemistry, Multidisciplinary
Wansheng Lin et al.
Summary: A programmable and ultrasensitive haptic interface is reported, which enables closed-loop human-machine interactions to accurately recognize users' manipulation intents. A cross-scale architecture design strategy is proposed to optimize the hierarchical contact process. The synergistic optimization of the cross-scale architecture realizes a haptic interface with ultrahigh sensitivity and wide detection range, surpassing the somatosensory perception of human skin. A wireless pressure-data interactive glove is designed to compensate for the flaws of typical vision and voice recognition modes, achieving round-the-clock operation, noise immunity, and efficient interactive control.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Jingting Zhuo et al.
Summary: Wearable hybrid energy harvesters have great potential in supplying power to wearable electronics by addressing the issue of discontinuous energy sources. However, there are challenges in matching outputs and maintaining breathability. In this study, a breathable and woven hybrid energy harvester (BWHEH) is developed using a textile TENG and fiber BFCs, with a specially designed power management circuit. The BWHEH significantly improves power delivery and offers guidance for high-power hybrid energy harvesters.
Article
Chemistry, Multidisciplinary
Md Salauddin et al.
Summary: A novel scalable surface modification method using fabric-assisted micropatterning technique on highly negative MXene/silicone nanocomposite surface for self-powered sensors and wearable electronics is introduced. The microstructured surface improves the output performance of DSC-TENG by factors of 9.8 and 20 for voltage and peak current density, respectively, compared to flat silicone.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Multidisciplinary Sciences
Hai-Tian Zhang et al.
Summary: This work demonstrates the on-demand creation of artificial neurons, synapses, and memory capacitors in post-fabricated perovskite NdNiO3 devices through single-shot electric pulses, utilizing the sensitivity of perovskite nickelates to the local distribution of hydrogen ions. Experimental data from memory capacitors, along with simulation results of a reservoir computing framework, show excellent performance for tasks such as digit recognition and classification of electrocardiogram heartbeat activity. Reconfigurable artificial neurons and synapses outperform static networks for incremental learning scenarios, showcasing the potential of adaptive networks in brain-inspired computing.
Article
Chemistry, Physical
Qixin Lu et al.
Summary: This paper presents a smart facemask with respiratory monitoring function, which utilizes RS-TENG technology to achieve high-sensitivity monitoring of respiratory flow and timely alarm for apnea. Additionally, RS-TENG can also control household appliances, bringing convenience to the lives of disabled individuals.
Article
Chemistry, Physical
Ning Li et al.
Summary: This paper proposes a hybrid tactile sensor that integrates the triboelectric active sensing unit with an electromagnetic inductance transducer for object identification. With the help of machine learning, the sensor can accurately recognize different fruits and objects packaged in different ways. This study demonstrates the potential of the hybrid tactile sensor to improve the artificial intelligence of robots in complex settings.
Article
Chemistry, Multidisciplinary
Yuxin Hou et al.
Summary: This study demonstrates a high-performance pressure sensor based on flexible porous materials, which has high sensitivity, low detection limit, and excellent durability. The sensor can be used to detect various stimuli within different pressure ranges and offers high accuracy in practical scenarios.
Article
Chemistry, Multidisciplinary
Chunyang Jia et al.
Summary: By perceiving and converting mechanical stimuli into electrical and visual readouts, electronic skin enables safe and effective interaction between humans and the environment. However, weak optical signals and low spatial resolution still pose challenges for the potential application of electronic skin in human-machine information interaction (HMI). In this study, a novel high-brightness, high-resolution, and flexible triboelectrification-induced electroluminescence (TIEL) skin is developed for real-time imaging and HMI.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xuelian Wei et al.
Summary: This study proposes an intelligent tactile sensing system that combines TENG and deep-learning technology to achieve stable and accurate material identification. The system shows significant advantages in cognitive learning, biomimetic prosthetics, and virtual space construction.
ADVANCED MATERIALS
(2022)
Article
Robotics
You Yu et al.
Summary: Ultrasensitive multimodal physicochemical sensing for autonomous robotic decision-making is demonstrated using an all-printed, mass-producible soft electronic skin-based human-machine interface. The system incorporates custom-developed nanomaterial inks to manufacture flexible physicochemical sensor arrays for electrophysiology recording, tactile perception, and robotic sensing of hazardous materials. The artificial intelligence-powered system enables remote robotic control and in situ threat compound detection in extreme environments, with user-interactive feedback. The technology has potential applications in various fields, including agriculture, security, and public health.
Article
Nanoscience & Nanotechnology
Xin Zhang et al.
Summary: This study proposes a method to improve the performance of wearable sensors by combining the spraying and self-diffusion process of carbon nanotubes. The obtained sensor demonstrates high sensitivity, ultrawide pressure detection range, exceptional durability, fast response, stability, and full flexibility. It shows promising application prospects in the fields of intelligent medical health and motion sensing.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Yunjian Guo et al.
Summary: This study proposes an integrated hybrid device based on ionic sensing and electrochromic display for interactive pressure perception and visualization. It enables quantitative pressure sensing and direct color changing through the efficient reuse of electrodes and ionic gel. The study explores applications including pressure information perception, visual information hiding and display, and repeated writing and erasing on flexible boards. Multiple customized systems are implemented for remote monitoring and visual warning of behavioral states and physiological parameters.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Multidisciplinary Sciences
Jia-Han Zhang et al.
Summary: This study develops versatile electrospun micropyramid arrays (EMPAs) combined with ultrathin, ultralight, gas-permeable structures through a self-assembly technology. The designable self-assembly allows optimization of EMPAs for various on-skin devices, such as daytime radiative cooling, pressure sensing, and bioenergy harvesting. EMPAs also enable ultraweak fingertip pulse detection and reliable biomechanical energy harvesting.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Shuo Li et al.
Summary: In this study, a self-powered metal-air redox reaction humidity sensor was developed, which exhibited conductivity and charge generation influenced by absorbed water. The sensor was successfully applied in respiration monitoring, showing high sensitivity, fast response, and quick recovery. This research highlights the importance of self-powered sensors in health management.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Pei Li et al.
Summary: This study successfully developed large-area iontronic pressure sensors that mimic human skin by integrating microstructured iontronic force-sensitive films and in-plane interdigital electrodes. The sensors achieve high sensitivity, ultra-broad range, and remarkable reproducibility through the introduction of pressure-dependent unit area capacitance. They have potential applications in health monitoring and wearable electronics.
Article
Chemistry, Physical
Sen Ding et al.
Summary: The rapid development of wearable tactile sensors in human-machine interaction is revolutionizing communication with intelligent terminals. This study designs a self-powered interface that can perceive different signals through finger sweeping, and demonstrates various HMI applications.
Article
Computer Science, Artificial Intelligence
Kuanming Yao et al.
Summary: The WeTac system is a soft, ultrathin, miniaturized and wireless electrotactile system that can reproduce virtual tactile information over the hand. It provides personalized feedback by measuring sensation thresholds and optimizing stimulation intensity.
NATURE MACHINE INTELLIGENCE
(2022)
Article
Engineering, Electrical & Electronic
Hanbit Jin et al.
Summary: In this study, we demonstrate an ultra-flexible tactile interface that enables highly immersive telehaptic communication on human skin. The interface has high spatial resolution and wide frequency range, allowing it to record and generate various tactile stimuli, and transmit them with low latency and high fidelity.
NPJ FLEXIBLE ELECTRONICS
(2022)
Article
Chemistry, Multidisciplinary
Zhengguang Yan et al.
Summary: The study presents a flexible high-resolution triboelectric sensing array developed through laser direct writing technique, capable of real-time sensing multiple touch points, sliding, and motion trajectory without external power supply. Additionally, a smart wireless controlled HMI system based on a triboelectric nanogenerator has been constructed.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Multidisciplinary Sciences
Qi Su et al.
Summary: The pressure sensor presented in the study combines an ionic capacitive sensing mechanism and a mechanically hierarchical microstructure to achieve high stretchability and sensitivity. It exhibits 98% strain insensitivity up to 50% strain and a low pressure detection limit of 0.2 Pa, allowing for accurate sensation of physical interactions on human or soft robotic skin.
Article
Multidisciplinary Sciences
Seyong Oh et al.
Summary: A flexible artificial synapse based on a silicon-indium-zinc-oxide (SIZO)/ion gel hybrid structure has been proposed, showing stable performance under high mechanical and electrical stress. Additionally, a sensory-neuromorphic system for sign language translation has been successfully designed and evaluated, achieving a high recognition rate.
Article
Multidisciplinary Sciences
Feng Wen et al.
Summary: The study introduces an artificial intelligence enabled system for sign language recognition and communication, which utilizes a deep learning model to recognize words and sentences in sign language, enabling reverse reconstruction of sentences and identification of new sentence combinations. The results of sign language recognition are projected into virtual space and translated into text and audio, facilitating remote bidirectional communication between signers and non-signers.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Jiani Huang et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Multidisciplinary Sciences
Lukas Mennel et al.
Article
Multidisciplinary Sciences
Rui Guo et al.
NATURE COMMUNICATIONS
(2020)
Article
Chemistry, Physical
Ruijin Zeng et al.
Article
Chemistry, Multidisciplinary
Qingxian Liu et al.
Article
Chemistry, Multidisciplinary
Do-Kyun Kwon et al.
Article
Multidisciplinary Sciences
Xuan Zhao et al.
Article
Chemistry, Physical
Xianjie Pu et al.
Article
Chemistry, Multidisciplinary
Hongyang Shi et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Multidisciplinary Sciences
Subramanian Sundaram et al.
Article
Chemistry, Physical
Xinqin Liao et al.
Article
Chemistry, Multidisciplinary
Liyun Ma et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Physical
Xinqin Liao et al.
Article
Multidisciplinary Sciences
Xinge Yu et al.
Article
Nanoscience & Nanotechnology
Xinqin Liao et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Multidisciplinary Sciences
Xiang Chen et al.
NATURE COMMUNICATIONS
(2018)
Article
Multidisciplinary Sciences
Qilin Hua et al.
NATURE COMMUNICATIONS
(2018)
Article
Chemistry, Multidisciplinary
Qian Zhang et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Xu-Zhou Jiang et al.
Review
Chemistry, Physical
Alex Chortos et al.
Article
Multidisciplinary Sciences
Chong-Chan Kim et al.
Article
Multidisciplinary Sciences
Yuki Yamamoto et al.
Article
Chemistry, Multidisciplinary
Xinqin Liao et al.
ADVANCED FUNCTIONAL MATERIALS
(2015)
