A Liquid Metal Based Multimodal Sensor and Haptic Feedback Device for Thermal and Tactile Sensation Generation in Virtual Reality (Adv. Funct. Mater. 39/2021)

Oh, Jinhyeok; Kim, Suin; Lee, Sangyeop; Jeong, Seong‐Min; Ko, Seung Hwan; Bae, Joonbum

doi:10.1002/adfm.202170285

Cited by 23 publications

(36 citation statements)

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“…Moreover, the continuous discovery of the wearable HMIs eventually leads to the integrated system for realizing the multidimensional and multimodal detection, and haptic feedback for better user experiences. [ 211–216 ] For instance, as shown in Figure 9h, a soft sleeve with the resistive strain sensors made by carbon fiber–polymer composites was reported by Araromi et al. [ 217 ] The as‐fabricated device is featured the versatile and compliant transduction mechanism via strain‐mediated contact in anisotropically resistive structures, which gives a gauge factors greater than 85 000.…”

Section: Applications Of Wearable Sensors and Electronics In Green Earthmentioning

confidence: 93%

Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Yang

Guo

Zhu

et al. 2022

Advanced Energy Materials

155

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as the components of the IoT network, and they will generate massive data with multidimensions, higher velocity, and improved heterogeneity. [2] Benefiting from this, our world is developing toward a smarter and more well-knit green earth, covering essential blocks like smart homes, smart agriculture, smart cities, smart industries as well as outer space and airlines. [3] In the green earth, the IoT systems are promising to be spread in every smart area, consisting of various sensing modules, signal processing modules, power management modules, power supply modules, etc. Sensing modules are applied to collect abundant information from the target objects or environment, such as temperature, humidity, light intensity, gas concentration, pressure, etc. And the signal processing modules help with the data transmission, processing, and analysis to connect and exchange information with other devices or systems to provide an optimal command to the target object or environment. In addition, the power management modules and power supply modules are to provide the most efficient solutions to reduce the overall power consumption in the operations of the IoT systems. [4][5][6] Thus, looking at the whole earth, it is to be closely connected with the IoT systems, enabling information transfer and communication over the strong network.Narrowing down to a single object like the human body, a single animal, or a robot, wearable electronics have attracted increasing research interest owing to their promising applications in real-time and precious monitoring and tracking of user's preferences and habits on the green earth. [7][8][9][10] Conventional wearable electronics involve smart watches, smart glasses, smart helmets, etc., while most of them are fabricated from nonflexible or rigid materials, resulting in limited wearable comfort, device lifetime, latency response, and loss of sensing information. [11][12][13] To address these issues, the current research focuses on the investigation of sensing materials with flexibility or even stretchability, breathability, washability, lightweight, adhesiveness, etc., enabling improved wearing comfort and long-term wearability. [14][15][16][17] Besides the wearability of the modules in the IoT system, energy issue is within wide research interest and concern as one of the urgent issues contemporarily. Batteries, as the dominant choices for power supply modules, are now revealed asThe advancement of the Internet of Things/5G infrastructure requires a lowcost ubiquitous sensory network to realize an autonomous system for information collection and processing, aiming at diversified applications ranging from healthcare, smart home, industry 4.0 to environmental monitoring. The triboelectric nanogenerator (TENG) is considered the most promising technology due to its self-powered, cost-effective, and highly customizable advantages. Through the use of wearable electronic devices, advanced TENG technology is developed as a core technology enabling self-powered sensors, power supplies, and data comm...

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Section: Applications Of Wearable Sensors and Electronics In Green Earthmentioning

confidence: 93%

Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Yang

Guo

Zhu

et al. 2022

Advanced Energy Materials

155

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“…This is because of LMPC's inherent sensitivity to a wide range of stimuli, compatibility with biological systems, and durability under strenuous conditions 19,20,78,87 . Already, LM‐based devices are being designed to provide thermal and tactile sensation in virtual reality 165 . While this section will provide a brief summary of the types and applications of LMPC‐related sensors, a recent review of these devices elaborate on this topic to a greater depth 166 …”

Section: Electronic Applicationsmentioning

confidence: 99%

Multifunctional liquid metal polymer composites

Guymon

Malakooti

2022

Journal of Polymer Science

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Liquid metal polymer composites are an emerging class of functional materials with potentially transformative impacts in wearable electronics, soft robotics, and human-computer interactions. By employing different processing methods, room temperature liquid metal inclusions can be embedded in insulating polymers like elastomers to incorporate functional properties of metals while the matrix remains soft and stretchable. These solid-liquid composites offer an interesting, yet complex multifunctional material system. In this review, we present an exclusive overview of the synthesis methods, structural and functional properties, and applications of gallium-based liquid metal polymer composites. Common methods to control the size of liquid metal inclusions and their interaction in polymers are discussed. Moreover, the effect of liquid metal microstructures on the overall properties of the composites is summarized. We also highlight the new trends in terms of material composition, printing process, and novel applications of liquid metal polymer composites in intelligent systems.

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“…Bae et al. [ 153 ] developed multi‐modal sensing and feedback glove. Under tensile conditions, the gloves allowed the user to feel the contact state and accurately distinguish materials at different temperatures.…”

Section: Application Of Liquid Metals In Flexible Electronicsmentioning

confidence: 99%

3D Printing of Liquid Metals: Recent Advancements and Challenges

Zou

Chen

Yuan

et al. 2022

Adv Funct Materials

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The development of flexible electronics (FEs) has rapidly accelerated in numerous fields due to their exceptional deformability, bending, and stretchability. Room‐temperature gallium‐based liquid metals (LMs) are considered as efficient conductive materials for FEs due to their outstanding electrical conductivity and intrinsic flexibility. Recently, 3D printing has become a promising technique for fabricating FEs. However, the poor printability due to high surface tension and fluidity offers huge challenges in the 3D printing of LMs. This review summarizes the effective strategies to address these challenges. It primarily focuses on three points: 1) how to improve the printability of LM and its wettability with the substrate, 2) how to select the appropriate printing method to improve the printing speed and ensure the resolution of printing structure, and 3) how to provide perfect encapsulation for LM‐based FEs with 3D printing. Following a brief introduction, the mainstream printing technologies and recent developments in the 3D printing of LMs are provided, with an emphasis on the selection of printing method, improvement of printability, encapsulation, and conductivity activation. Then, the revolutionary changes attained after 3D printing of LMs are specifically focused upon. Finally, opinions and potential directions for this thriving discipline are explored.

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A Liquid Metal Based Multimodal Sensor and Haptic Feedback Device for Thermal and Tactile Sensation Generation in Virtual Reality (Adv. Funct. Mater. 39/2021)

Cited by 23 publications

References 0 publications

Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Multifunctional liquid metal polymer composites

3D Printing of Liquid Metals: Recent Advancements and Challenges

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