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Article
Chemistry, Physical
Hong Tao et al.
Summary: Lead-free potassium sodium niobate (KNN) ceramics exhibit remarkable performance and have great potential in various applications. This study focuses on enhancing the stability of electrical properties of KNN-based ceramics through the addition of Fe2O3. The results show that the addition of Fe2O3 helps maintain high ferroelectric, piezoelectric, and dielectric properties, while excessive Fe2O3 leads to deterioration. Additionally, increasing Fe2O3 content improves the stability of strain and piezoelectricity at different frequencies and temperatures. Overall, this work provides an effective strategy for optimizing the stability of electrical properties in KNN-based materials.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Shenglong Wang et al.
Summary: Monitoring physiological signals of the human body is crucial for sports healthcare and injury prevention. This article presents the development of a high-performance piezoresistive sensor using a conductive elastomer with micro-structured PDMS/CNT composite. The sensor demonstrates a broad detection range, fast response/recovery time, ultrahigh sensitivity, and excellent durability, making it potentially valuable for personal sports healthcare and telemedicine monitoring.
Article
Chemistry, Multidisciplinary
Yawen Zhang et al.
Summary: In this article, a microcantilever sensor readout system without additional driver (self-driving) and self-sensing external signal (self-sensing) was explored for the first time, utilizing the self-excitation and self-inductance characteristics of polyvinylidene fluoride (PVDF) piezoelectric materials and the powerful signal processing and calculation analysis capabilities of integrated circuits. The system was successfully applied to the unlabeled detection of avian influenza virus (AIV) H9N2. It offers a new avenue for the detection of analytes based on antigen-antibody responses.
CHINESE CHEMICAL LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Zhiran Shen et al.
Summary: In this work, a capacitive-piezoresistive hybrid flexible pressure sensor based on conductive micropillar arrays was developed to detect various physiological mechanical signals. The improved fabrication process and sensing strategy enabled all-round sensing performance and flexible design.
MATERIALS HORIZONS
(2023)
Article
Chemistry, Analytical
Lixia Cheng et al.
Summary: In this study, a flexible pressure sensor based on silicon nanomembranes was developed, which showed high sensitivity and a wide pressure range. The sensor could recognize human movements and maintain stable output, making it promising for various applications.
Article
Chemistry, Multidisciplinary
Shenglong Wang et al.
Summary: In this study, a bioinspired MXene-based piezoresistive device is reported, which effectively boosts the sensitivity and broadens the response range by architecting intermittent villus-like microstructures. Collaborating with a deep-learning algorithm, the designed bioelectronics can capture complex human movements and identify human motion with high accuracy. This intermittent architecture may provide a promising solution to the limitations of rapid saturation and low sensitivity in piezoresistive bioelectronics and promote its large-scale applications.
ADVANCED FUNCTIONAL MATERIALS
(2023)
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
Nanoscience & Nanotechnology
Zhiping Feng et al.
Summary: Researchers developed a hierarchical gradient hybrid dielectric for a capacitive pressure sensor (CPS) to monitor biosignals over a wide force range. The sensor achieved enhanced sensitivity, wide pressure range, minimum detection limit, and excellent durability, allowing potential applications in wearable medicine, sports health prediction, athlete training, and sports equipment design.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Ruoyu Sheng et al.
Summary: Piezoelectric materials show promise for biomedical applications due to their ability to provide mechanical or electrical stimulations. Recent studies have demonstrated that doping reduced graphene oxide (rGO) or polyaniline (PANi) into biodegradable polyhydroxybutyrate (PHB) enhances its piezoelectric response. This study aims to determine the correlation between physiochemical properties and the in vitro cell response to PHB-based composite scaffolds with rGO or PANi.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Ceramics
Junhui Zhang et al.
Summary: There is a growing interest in zirconia ceramics due to their high flexural strength, excellent corrosion resistance, and good biocompatibility. The assembly of advanced zirconia material with functions of sensing, actuation, and controlling is critical to ensure long-term service and performance.
CERAMICS INTERNATIONAL
(2023)
Review
Materials Science, Multidisciplinary
Haizhen Wang et al.
Summary: This article introduces the working principles, device structure and materials of flexible capacitive pressure sensors, as well as strategies to improve their sensitivity and their applications in wearable electronic devices. In addition, the current challenges and future research directions of flexible capacitive pressure sensors are also discussed.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Materials Science, Multidisciplinary
Jingxia Huang et al.
Summary: In this study, a capacitive pressure sensor based on PVDF/rGO multilayer films with multi-hierarchical microstructures is designed and constructed to improve linearity. By optimizing the microstructure and roughness, the sensor achieves excellent performance in terms of sensitivity, limit of detection, response time, and stability.
ADVANCED ENGINEERING MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yanlei Liu et al.
Summary: Liquid metals, with good electrical conductivity and processability, can serve as synthesis templates for other functional materials. In this study, core-shell EGaIn/Ag/Ag2S composite particles were prepared through an in-situ galvanic replacement reaction, and they exhibited superior sensing response in a humidity sensor. This is attributed to the n-type semiconductor nature of Ag2S and its hydrophilic surface.
CHEMISTRY-A EUROPEAN JOURNAL
(2022)
Article
Nanoscience & Nanotechnology
Hao Zhang et al.
Summary: In this study, a pressure sensor composed of PDMS, MXene nanosheet/Ag nanoflower films, and flexible interdigital electrodes was designed and demonstrated for all-round monitoring of the human body. The sensor exhibited high sensitivity, good stability, fast response/recovery time, and low detection limit. Additionally, a smart glove was developed for wireless accurate detection of hand poses.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Engineering, Environmental
Yoon Seon Kim et al.
Summary: Perovskite SeZnO3 nanosheets synthesized through a wet chemistry method exhibited a high oxygen vacancy concentration and abundant surface defects, showing excellent catalytic activity and electrical conductivity suitable for improving lithium-oxygen batteries.
CHEMICAL ENGINEERING JOURNAL
(2021)
Review
Chemistry, Multidisciplinary
Jing Qin et al.
Summary: Sensors that can simulate human skin have gained extensive attention, with flexible capacitive sensors playing a key role in various fields. The design of microstructures is crucial for improving sensitivity, with five commonly used microstructures for pressure sensors and four for strain sensors. The advantages, disadvantages, and practical values of different structures are systematically elaborated to guide the development of advanced flexible and stretchable capacitive sensors.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zequn Shen et al.
Summary: A highly sensitive and robust soft touch skin was developed using ultracapacitive sensing combining ionic hydrogels with commercially available conductive fabrics. Prototypical designs of capacitive sensors with high sensitivity, broad pressure detection range, ultrahigh baseline capacitance, fast response time, and good repeatability were introduced. Ionogel skins were further developed with cutaneous mechanoreceptors capable of monitoring physiological signals and shape detection, showcasing potential applications in next-generation human-in-the-loop robotic systems with tactile sensing.
ADVANCED MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Suleyman Cabuk
PHILOSOPHICAL MAGAZINE
(2020)
Article
Materials Science, Multidisciplinary
Chaitali Sow et al.
Annual Review of Materials Research
(2020)
Article
Chemistry, Physical
Bobae Ju et al.
ENERGY STORAGE MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Gi Dae Park et al.
Article
Chemistry, Physical
Zhiqian Hou et al.
JOURNAL OF POWER SOURCES
(2019)
Article
Materials Science, Multidisciplinary
Ruilong Shi et al.
SCIENCE CHINA-MATERIALS
(2018)
Article
Chemistry, Physical
Gwang-Hee Lee et al.
ADVANCED ENERGY MATERIALS
(2018)
Article
Biochemistry & Molecular Biology
C. Maria Magdalane et al.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
(2016)
Editorial Material
Materials Science, Multidisciplinary
Anton R. Chakhmouradian et al.
PHYSICS AND CHEMISTRY OF MINERALS
(2014)
Article
Multidisciplinary Sciences
Shu Gong et al.
NATURE COMMUNICATIONS
(2014)
