Zhanghui Wu
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View article: Microscale Contact Electrification with Unprecedented High Intrinsic Charge Density
Microscale Contact Electrification with Unprecedented High Intrinsic Charge Density Open
Contact electrification (CE) refers to the charge generation of two materials after contact and separation, benefiting applications including electrophotography, electrostatic self‐assembly, and energy harvesting. However, surface asperiti…
View article: Flexible Stretchable Strain Sensor Based on LIG/PDMS for Real-Time Health Monitoring of Test Pilots
Flexible Stretchable Strain Sensor Based on LIG/PDMS for Real-Time Health Monitoring of Test Pilots Open
In the rapidly advancing era of intelligent technology, flexible strain sensors are emerging as a key component in wearable electronics. Laser-induced graphene (LIG) stands out as a promising fabrication method due to its rapid processing,…
View article: MXene-Enhanced Laser-Induced Graphene Flexible Sensor with Rapid Response for Monitoring Pilots’ Body Motion
MXene-Enhanced Laser-Induced Graphene Flexible Sensor with Rapid Response for Monitoring Pilots’ Body Motion Open
Flexible wearable strain sensors demonstrate promising application prospects in health monitoring, human-machine interaction, motion tracking, and the detection of human physiological signals. Although laser-induced graphene (LIG) material…
View article: Observation of zero coefficient of friction above a critical pressure
Observation of zero coefficient of friction above a critical pressure Open
Self-superlubricity is a highly anticipated phenomenon where certain solid pairs in contact, without lubricant, exhibit zero wear and virtually null static friction and coefficient of friction (CoF). We present the first experimental obser…
View article: Wear-free sliding electrical contacts with ultralow electrical resistivity
Wear-free sliding electrical contacts with ultralow electrical resistivity Open
Sliding electrical contacts are commonly applied in electrical connectors, such as conductive slip rings, pantographs, switches, and commutators. However, they suffer from several unavoidable problems caused by friction and wear, including…
View article: The anomalous effect of electric field on friction for microscale structural superlubric graphite/Au contact
The anomalous effect of electric field on friction for microscale structural superlubric graphite/Au contact Open
The current-carrying friction characteristics are crucial for the performance of a sliding electrical contact, which plays critical roles in numerous electrical machines and devices. However, these characteristics are influenced by multipl…
View article: Filtering Robust Graphite without Incommensurate Interfaces by Electrical Technique
Filtering Robust Graphite without Incommensurate Interfaces by Electrical Technique Open
Two-dimensional (2D) van der Waals (vdW) layered materials have attracted considerable attention due to their potential applications in various fields. Among these materials, graphite is widely employed to achieve structural superlubricity…
View article: 100 km wear-free sliding achieved by microscale superlubric graphite/DLC heterojunctions under ambient conditions
100 km wear-free sliding achieved by microscale superlubric graphite/DLC heterojunctions under ambient conditions Open
Wear-free sliding between two contacted solid surfaces is the ultimate goal in the effort to extend the lifetime of mechanical devices, especially when it comes to inventing new types of micro-electromechanical systems where wear is often …
View article: Microscale Schottky superlubric generator with high direct-current density and ultralong life
Microscale Schottky superlubric generator with high direct-current density and ultralong life Open
Miniaturized or microscale generators that can effectively convert weak and random mechanical energy into electricity have significant potential to provide solutions for the power supply problem of distributed devices. However, owing to th…
View article: Superlubric Schottky Generator in Microscale with High Current Density and Ultralong Life
Superlubric Schottky Generator in Microscale with High Current Density and Ultralong Life Open
Miniaturized or even microscale generators that could effectively and persistently converse weak and random mechanical energy from environments into electricity promise huge applications in the internet of things, sensor networks, big data…
View article: Load-induced dynamical transitions at graphene interfaces
Load-induced dynamical transitions at graphene interfaces Open
The structural superlubricity (SSL), a state of near-zero friction between two contacted solid surfaces, has been attracting rapidly increasing research interest since it was realized in microscale graphite in 2012. An obvious question con…
View article: Data for "Load induced dynamical transitions at graphene interfaces"
Data for "Load induced dynamical transitions at graphene interfaces" Open
Data for "Load induced dynamical transitions at graphene interfaces"
View article: Data for "Load induced dynamical transitions at graphene interfaces"
Data for "Load induced dynamical transitions at graphene interfaces" Open
Data for "Load induced dynamical transitions at graphene interfaces"
View article: Data for "Load induced dynamical transitions at graphene interfaces"
Data for "Load induced dynamical transitions at graphene interfaces" Open
Data for "Load induced dynamical transitions at graphene interfaces"
View article: A Hybrid Two-Axis Force Sensor for the Mesoscopic Structural Superlubricity Studies
A Hybrid Two-Axis Force Sensor for the Mesoscopic Structural Superlubricity Studies Open
Structural superlubricity (SSL) is a state of nearly zero friction and zero wear between two directly contacted solid surfaces. Recently, SSL was achieved in mesoscale and thus opened the SSL technology which promises great applications in…