Hongjun Ji
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View article: Bio‐Inspired Structural Color Irises as Physical Unclonable Functions for Anti‐Counterfeiting
Bio‐Inspired Structural Color Irises as Physical Unclonable Functions for Anti‐Counterfeiting Open
The global proliferation of high‐value commodities has the intensified demand for advanced anti‐counterfeiting solutions. Physical Unclonable Functions (PUFs) present a viable authentication mechanism, yet existing implementations exhibit …
View article: Bioinspired cilia-based electronic skin for multimodal mechanical sensing via additive manufacturing
Bioinspired cilia-based electronic skin for multimodal mechanical sensing via additive manufacturing Open
Electronic skin (e-skin) has been widely used in various fields such as health monitoring, robotic tactile perception, and bioinspired prosthetics due to its ability to detect a wide range of signals. However, traditional flexible e-skin i…
View article: Improving the weldability and mechanical property of ultrasonic spot welding of Cu sheets through a surface gradient structure
Improving the weldability and mechanical property of ultrasonic spot welding of Cu sheets through a surface gradient structure Open
View article: A fabrication strategy of nanotwinned metals with superior manufacturability and weldability for electronic packaging
A fabrication strategy of nanotwinned metals with superior manufacturability and weldability for electronic packaging Open
View article: Mechanical Reinforcement of Silver Films on Si3N4 Substrates Via a Novel Bi2o3-B2O3-Zno-Teo2 Glass Frit
Mechanical Reinforcement of Silver Films on Si3N4 Substrates Via a Novel Bi2o3-B2O3-Zno-Teo2 Glass Frit Open
View article: Additively Manufactured Flexible EGaIn Sensor for Dynamic Detection and Sensing on Ultra-Curved Surfaces
Additively Manufactured Flexible EGaIn Sensor for Dynamic Detection and Sensing on Ultra-Curved Surfaces Open
Electronic skin is widely employed in multiple applications such as health monitoring, robot tactile perception, and bionic prosthetics. In this study, we fabricated millimeter-scale electronic skin featuring compact sensing units using th…
View article: Tailoring nanotwinned Cu interlayers for localizing anisotropic plastic deformation during low energy input ultrasonic welding of robust Cu-Cu joints
Tailoring nanotwinned Cu interlayers for localizing anisotropic plastic deformation during low energy input ultrasonic welding of robust Cu-Cu joints Open
Ultrasonic welding, known for its severe plastic deformation, faces the challenge of balancing sufficient deformation at the welding interface with minimizing damage to the substrate. This study utilizes the anisotropic deformation mechani…
View article: High-sensitivity and damage redundant detection capable gel-state [BMIM][BF4] electronic skin for aerospace applications
High-sensitivity and damage redundant detection capable gel-state [BMIM][BF4] electronic skin for aerospace applications Open
Electronic skin (e-skin) holds significant potential for applications in robotics, Internet-of-things, and health monitoring. However, conventional e-skins often exhibit decreased sensitivity and delayed response in ultra-low temperature e…
View article: Additively Manufactured Flexible EGaIn Sensor for Dynamic Detection and Sensing on Ultracurved Surfaces
Additively Manufactured Flexible EGaIn Sensor for Dynamic Detection and Sensing on Ultracurved Surfaces Open
Electronic skin is widely employed in multiple applications such as health monitoring, robot tactile perception, and bionic prosthetics. In this study, we fabricated millimeter-scale electronic skin featuring compact sensing units using Bo…
View article: Fine Optimization of Colloidal Photonic Crystal Structural Color for Physically Unclonable Multiplex Encryption and Anti‐Counterfeiting
Fine Optimization of Colloidal Photonic Crystal Structural Color for Physically Unclonable Multiplex Encryption and Anti‐Counterfeiting Open
Robust anti‐counterfeiting techniques aim for easy identification while remaining difficult to forge, especially for high‐value items such as currency and passports. However, many existing anti‐counterfeiting techniques rely on determinist…
View article: Dynamic deformation mechanism for distinct flow behaviors in FGH4113A superalloy with high γ′ content during isothermal compression at sub-/near-/super-solvus temperatures
Dynamic deformation mechanism for distinct flow behaviors in FGH4113A superalloy with high γ′ content during isothermal compression at sub-/near-/super-solvus temperatures Open
This study examines the flow behavior and deformation mechanism of a FGH4113A superalloy with high γ′ content for different strain rates (0.01–1 s−1) at sub-solvus (1030, 1080 °C), near-solvus (1130 °C), and sup-solvus temperatures (1180 °…
View article: Influence of (1 1 1) texture on bonding strength in low-temperature bonding of nanotwinned Ag films: Experimental insights and void closure modeling
Influence of (1 1 1) texture on bonding strength in low-temperature bonding of nanotwinned Ag films: Experimental insights and void closure modeling Open
Low-temperature bonding of nanotwinned (NT-) metals holds great potential for enhancing the performance and reliability of electronic interconnections. In this study, we performed low-temperature bonding of (111)-oriented nanotwinned silve…
View article: Additively Manufactured Flexible Electronics Filled with Ionic Liquid for Cryogenic Pressure Sensing
Additively Manufactured Flexible Electronics Filled with Ionic Liquid for Cryogenic Pressure Sensing Open
Flexible electronics have attracted increasing attention and are extensively used in medical care and health monitoring applications. However, research on their applications in low-temperature environments is limited, mainly owing to mater…
View article: Catechol-Ag Interlayer Constructed Nanofiltration Membrane for Efficient Purification of Glucose from Sugars
Catechol-Ag Interlayer Constructed Nanofiltration Membrane for Efficient Purification of Glucose from Sugars Open
View article: Catechol-Ag Interlayer Constructed Nanofiltration Membrane for Efficient Purification of Glucose from Sugars
Catechol-Ag Interlayer Constructed Nanofiltration Membrane for Efficient Purification of Glucose from Sugars Open
View article: Catechol-Ag Interlayer Constructed Nanofiltration Membrane for Efficient Purification of Glucose from Sugars
Catechol-Ag Interlayer Constructed Nanofiltration Membrane for Efficient Purification of Glucose from Sugars Open
View article: Catechol-Ag Anti-Fouling Interlayer to Improve Nanofiltration Membrane Performance for Separating Monosaccharide and Disaccharide
Catechol-Ag Anti-Fouling Interlayer to Improve Nanofiltration Membrane Performance for Separating Monosaccharide and Disaccharide Open
View article: Ultrasound-induced interinhibitive dissolution-precipitation evolution and significantly improved mechanical properties of Kovar/SnSb10 assembly
Ultrasound-induced interinhibitive dissolution-precipitation evolution and significantly improved mechanical properties of Kovar/SnSb10 assembly Open
Ultrasound-assisted Kovar/SnSb10 assemblies are promising candidates for high-precision electronic devices; however, limited research has been conducted on the effect of ultrasonication on its interfacial evolution and mechanical propertie…
View article: Ultraflexible tattoo electrodes for epidermal and in vivo electrophysiological recording
Ultraflexible tattoo electrodes for epidermal and in vivo electrophysiological recording Open
Tattoo electronics, flexible patches that mount directly onto the skin with the ease and flexibility of a temporary tattoo, have foreseen remarkable application potentials in personalized healthcare monitoring and human-machine interfaces.…
View article: Additive Manufacturing Of Sc-Microalloyed René 104 Superalloy with Crack-Free Structure and Excellent Mechanical Properties
Additive Manufacturing Of Sc-Microalloyed René 104 Superalloy with Crack-Free Structure and Excellent Mechanical Properties Open
View article: Effect of Heat Treatments on the Microstructure and Mechanical Properties of René 104 Superalloy Manufactured by Selective Laser Melting
Effect of Heat Treatments on the Microstructure and Mechanical Properties of René 104 Superalloy Manufactured by Selective Laser Melting Open
View article: Effect of Thermal Exposure on Microstructure, Orientation Relationship, Residual Stress and Failure Mechanism of Ultrasonic-Assisted Kovar/Snsb10/Kovar Joints
Effect of Thermal Exposure on Microstructure, Orientation Relationship, Residual Stress and Failure Mechanism of Ultrasonic-Assisted Kovar/Snsb10/Kovar Joints Open
View article: Flash Nanoprecipitation Offers Large‐Format Full‐Color and Dual‐Mode Fluorescence Patterns for Codes‐in‐Code Encryption and Anti‐Counterfeiting
Flash Nanoprecipitation Offers Large‐Format Full‐Color and Dual‐Mode Fluorescence Patterns for Codes‐in‐Code Encryption and Anti‐Counterfeiting Open
Codes-in-Code Encryption and Anti-Counterfeiting In article number 2200091, Huanhuan Feng and co-workers demonstrate a universal procedure for fast-fabricating large-scale fluorescent nanoparticles to construct cutting-edge-level encryptio…
View article: Flash Nanoprecipitation Offers Large‐Format Full‐Color and Dual‐Mode Fluorescence Patterns for Codes‐in‐Code Encryption and Anti‐Counterfeiting
Flash Nanoprecipitation Offers Large‐Format Full‐Color and Dual‐Mode Fluorescence Patterns for Codes‐in‐Code Encryption and Anti‐Counterfeiting Open
Fluorescent materials are used broadly for anti‐counterfeiting, including currency, passports, identity cards, and other secure documents. However, a universal procedure to print fluorescent materials is still missing due to the wide varie…
View article: Facile Conjugated‐Polymer‐Based Flexible Lighting Fabrication and Microdeformation Monitoring
Facile Conjugated‐Polymer‐Based Flexible Lighting Fabrication and Microdeformation Monitoring Open
Conjugated polymers (CPs) are an active research area and have been commonly used in optoelectronic devices, anticounterfeiting, bioimaging, and drug delivery due to their outstanding properties, such as a high quantum yield, photothermal …
View article: Facile Gold-Nanoparticle Boosted Graphene Sensor Fabrication Enhanced Biochemical Signal Detection
Facile Gold-Nanoparticle Boosted Graphene Sensor Fabrication Enhanced Biochemical Signal Detection Open
Graphene has been considered as an excellent biochemical sensors’ substrate material because of its excellent physical and chemical properties. Most of these sensors have employed enzymes, antibodies, antigens, and other biomolecules with …
View article: Intrinsic dependence of welding quality and recrystallization on the surface-contacted micro-asperity scale during ultrasonic welding of Cu–Cu joints
Intrinsic dependence of welding quality and recrystallization on the surface-contacted micro-asperity scale during ultrasonic welding of Cu–Cu joints Open
View article: Additively Manufactured Flexible Electronics with Ultrabroad Range and High Sensitivity for Multiple Physiological Signals’ Detection
Additively Manufactured Flexible Electronics with Ultrabroad Range and High Sensitivity for Multiple Physiological Signals’ Detection Open
Flexible electronics can be seamlessly attached to human skin and used for various purposes, such as pulse monitoring, pressure measurement, tensile sensing, and motion detection. Despite their broad applications, most flexible electronics…
View article: Effect of Sintering Temperature on the Properties of Silver Thick Film Metallization on Silicon Nitride Ceramic Substrate
Effect of Sintering Temperature on the Properties of Silver Thick Film Metallization on Silicon Nitride Ceramic Substrate Open
View article: The Authors Declare that They Have No Known Competing Financial Interests or Personal Relationships that Could Have Appeared to Influence the Work Reported in this Paper
The Authors Declare that They Have No Known Competing Financial Interests or Personal Relationships that Could Have Appeared to Influence the Work Reported in this Paper Open