- Electrospun Nanofibers in Biomedical Applications
- Advanced Sensor Technologies Research
- Advanced Sensor and Energy Harvesting Materials
- Electrohydrodynamics and Fluid Dynamics
- 3D Printing in Biomedical Research
- Electrical and Thermal Properties of Materials
- Tissue Engineering and Regenerative Medicine
- Surface Modification and Superhydrophobicity
- Mechanical and Optical Resonators
- Advanced MEMS and NEMS Technologies
- Neuroscience and Neural Engineering
- Advanced Surface Polishing Techniques
- Conducting polymers and applications
- Nanomaterials and Printing Technologies
- Electrowetting and Microfluidic Technologies
- Diamond and Carbon-based Materials Research
- Adhesion, Friction, and Surface Interactions
- Heat Transfer and Boiling Studies
- Advanced Fiber Optic Sensors
- Additive Manufacturing and 3D Printing Technologies
- Surface Roughness and Optical Measurements
- Tactile and Sensory Interactions
- Thermography and Photoacoustic Techniques
- Gas Sensing Nanomaterials and Sensors
- Aerosol Filtration and Electrostatic Precipitation
Xiamen University of Technology
2020-2025
Xiamen University
2013-2025
Science Applications International Corporation (United States)
2002
Palo Alto Research Center
2000
Abstract The tactile pressure sensor is of great significance in flexible electronics, but sensitivity customization over the required working range with high linearity still remains a critical challenge. Despite numerous efforts to achieve and wide range, most sensitive microstructures tend be obtained only by inverting naturally existing templates without rational design based on fundamental contact principles or models for piezoresistive sensors. Here, positive strategy hyperelastic model...
The in situ strain/stress monitoring of hot components harsh environments remains a challenging task. In this study, TiB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /SiCN thin-film strain gauges were fabricated on nickel base alloy substrates via direct writing. static and dynamic responses investigated from 25 °C up to 800 °C. results show that gauge by ceramic-based materials exhibits excellent thermal stability response. Without...
Electrospun nanofiber constructs represent a promising alternative for mimicking the natural extracellular matrix in vitro and have significant potential cardiac patch applications. While effect of fiber orientation on morphological structure cardiomyocytes has been investigated, fibers only provide contact guidance without accounting substrate stiffness due to their deposition rigid substrates (e.g., glass or polystyrene). This paper introduces an situ fabrication method suspended well...
Heat flux density is an important parameter for evaluating the high-temperature performance of turbine blades. Accurate heat data play a significant role in design and manufacture blades their heat-dissipation performance. Current studies have shown that thin-film sensors (TFHFSs) are suitable signal monitoring complex blade surfaces. However, TFHFSs multilayer structure, which difficult to achieve using traditional physical vapor deposition (PVD). In this article, we propose approach...
Constructing three-dimensional (3D) aligned nanofiber scaffolds is significant for the development of cardiac tissue engineering, which promising in field drug discovery and disease mechanism study. However, current scaffold preparation strategy, mainly includes manual assembly hybrid 3D printing, faces challenge integrated fabrication morphology-controllable nanofibers due to its cross-scale structural feature. In this research, a trench-guided electrospinning (ES) strategy was proposed...
Heat flux is key parameter for evaluating the heat dissipation of turbine blade. The accurate measurement vital optimizing cooling system and fabrication thin film gauge usually fabricated on insulated substrate located away from measured area As a result, changes surface blade cannot be reflected quickly accurately. This paper innovatively designs membrane structure nickel alloys. sensor alloys by thin-film depositing technology to realize in-situ measurement, ITO/In <sub...
Abstract The electroelastomer cylindrical actuators, a typical representation of soft have recently aroused increasing interest owing to their advantages in flexibility, deformability, and spatial utilization rate. Proprioception is crucial for controlling monitoring the shape position these actuators. However, most existing flexible sensors modulus mismatch with actuation unit, hindering free movement Herein, low-modulus strain sensor based on laser-induced cellular graphitic flakes (CGF)...
Abstract The manufacturing of 3D and conformal metamaterials remains a major challenge. projection micro‐stereolithography printing technology combined with the liquid metal filling method is employed here to fabricate metamaterials, which are characterized embedded features that can effectively protect resonance layer from external influence, integrated molding macro–micro structures function‐structure. To demonstrate robustness flexibility proposed method, three types fabricated:...
3D microfluidic devices have emerged as powerful platforms for analytical chemistry, biomedical sensors, and microscale fluid manipulation. printing technology, owing to its structural fabrication flexibility, has drawn extensive attention in the field of microfluidics fabrication. However, collapse suspended structures residues sacrificial materials greatly restrict application this especially extremely narrow channel In paper, a strategy named nanofiber self-consistent additive...
To achieve high-density and arrayed temperature sensing, thin-film sensors require a multilayer structure miniaturized preparation technology. Currently, screen printing, direct writing by squeeze, MEMS are the main methods for preparing sensors; however, film linewidth produced printing or squeeze is impossible to width within <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$10 \mu \text{m}$...
The real-time monitoring of heat flux changes in hot-end components harsh environments is great significance for safe operation and thermal protection design. Although many high-performance sensors have been developed on planar by technologies, such as MEMS, their inherent properties make it difficult to satisfy the characteristics curved surfaces real objects. By combining a conformal direct ink writing (CDIW) system excellent high-temperature performance polymer-derived ceramics (PDCs), we...
This article presents a pioneering use of thin-film solder joint in the electrical interconnection high-temperature sensors (TFSs), which aims to improve low tolerance traditional soldered balls extreme environments. The structure joint, composed silver foil, paste, and metal wire, has negligible mass compared balls. As result, inertia force on joint/substrate interface during vibration impact is greatly reduced, improving reliability under thermal–mechanical coupling impacts. been verified...
Designing high-temperature strain gauges based on in situ monitoring is critical for hot-end component health monitoring. However, most current thin or thick film (TFSGs) prepared by direct ink writing (DIW) three-dimensional (3-D) printing technology have limited operating temperatures. Here, a platinum-rhodium (Pt-Rh) TFSG DIW that can operate stably at 1100 °C reported. The sensing performance of the Pt-Rh was evaluated room temperature and high temperature. experiments showed had...
The in situ strain/stress detection of hot components harsh environments remains a challenging task. In this study, graphene/SiCN (G-SiCN) thin-film strain gauges (TFSGs) were fabricated on alumina substrates by direct ink writing (DIW). percolation model and the piezoresistive effect G-SiCN composites systematically studied. On basis, TFSG with high conductivity (0.1 S/cm) sensitivity (gauge factor (GF) 9.9) ceramic matrix conductive was fabricated. has excellent static dynamic response at...
In vitro cardiomyocyte mechano-sensing platform is crucial for evaluating the mechanical performance of cardiac tissues and will be an indispensable tool application in drug discovery disease mechanism study. Magnetic sensing offers significant advantages real-time, situ wireless monitoring resistance to ion interference. However, due mismatch between stiffness traditional rigid magnetic material myocardial tissue, sensitivity insufficient it difficult achieve cell structure induction...
Hydrogel-based flexible electronics have been widely investigated in electronic skin and wearable sensors. However, the challenge of matching modulus between hydrogel electrode underscores critical importance flexibility electrode. Gallium-based liquid metals (GaLMs) are ideal materials for substrates due to their high conductivity stretchability. ease aggregation lack adhesion happen when patterning GaLMs on surfaces. This work proposes a direct ink writing (DIW) highly oxidized EGaIn...