Graphene

Integrated Multifunctional Wearable Platform with Graphene and Liquid Metal

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Integrated Multifunctional Wearable Platform with Graphene and Liquid Metal

Research Background Continuous wearable monitoring devices and systems are crucial not only for diagnosing physical conditions but also for predicting pathological states, enabling early and effective interventions. Accelerometers are essential components in many electronic systems, from consumer electronics to healthcare systems. Traditional wearable motion devices are inherently inflexible and unsuitable for seamless integration with the … Read more

Super Sensitive Stretchable Strain Sensor Based on ZnO Nanoparticles Laser Induced Graphene

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Super Sensitive Stretchable Strain Sensor Based on ZnO Nanoparticles Laser Induced Graphene

↑ Click the “Graphene Alliance” above to follow us First Author: Do Hoon Lee Corresponding Author: Kuniharu Takei Affiliation: Hokkaido University DOI: 10.1021/acsnano.4c13156 Background Introduction Laser-induced graphene (LIG) adopts a bottom-up approach, directly converting carbon precursors into porous three-dimensional graphene through laser irradiation. As a macroscopic, low-cost conductive material, LIG has enormous potential for both … Read more

Enhanced Performance of TENG through Graphene Oxide and Transition Layer Coupling

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1Introduction to the Results The triboelectric nanogenerators (TENGs) have a simple structure, low manufacturing costs, and are suitable for harvesting low-frequency mechanical energy, thus providing a new method for green energy collection. Previous studies have mainly focused on the effects of single factors such as charge generation, storage, or loss on the electrical output of … Read more

In Situ Preparation of Microporous Few-Layer Activated Graphene Films Using Ultrafast UV Laser Induction

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In Situ Preparation of Microporous Few-Layer Activated Graphene Films Using Ultrafast UV Laser Induction

Microporous graphene films (with pore diameters less than 2 nm) not only retain the high electrical conductivity and enhanced chemical stability of graphene but also exhibit high specific surface area and excellent flexibility, attracting widespread attention in high-performance devices such as flexible micro-energy storage. The traditional method for preparing microporous graphene films involves multiple steps: … Read more

Research Progress of Graphene Electrochemical Biosensors in Medical Detection

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Research Progress of Graphene Electrochemical Biosensors in Medical Detection

Introduction At present, graphene, as the thinnest, strongest, and most conductive new nanomaterial known, has a promising development prospect recognized by many scientists. As Frank Wilczek, who won the Nobel Prize in Physics in 2004, said: “Graphene may be the only instance from quantum theory to application.” Graphene-based electrochemical biosensors have significant application value in … Read more

High-Sensitivity Multidirectional Strain Sensor Based on Laser-Induced Graphene for Human Activity Monitoring

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High-Sensitivity Multidirectional Strain Sensor Based on Laser-Induced Graphene for Human Activity Monitoring

This article proposes a high-resolution multidirectional sensor that operates under low strain. Using a laser direct writing method, a porous graphene electrode is prepared on a PI/PDMS composite film, successfully creating a cross-shaped sensitive layer. The sensor exhibits excellent sensing performance, linear response, and repeatability. The unique sensing characteristics of the cross-shaped structure enable the … Read more

Laser Writing of Metal Oxide Doped Graphene Films for Tunable Sensor Applications

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Laser Writing of Metal Oxide Doped Graphene Films for Tunable Sensor Applications

　　This article employs a simple fiber laser direct writing (fLDW) process to produce flexible graphene sensors embedded with MO nanoparticles. fLDW is an integration of various printing processes into a single step. This singular process effectively synthesizes graphene, optimizes the properties of carbon structures through functionalization, enables doping and hybridization, and deposits metal oxide nanoparticles. … Read more

All-Weather Energy Collection and Storage via Solar-Driven Regenerative Electrochemical Cycles

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All-Weather Energy Collection and Storage via Solar-Driven Regenerative Electrochemical Cycles

As the most widely available energy source on Earth, the solar radiation reaching the Earth’s surface each year is immense, and it can be directly developed and utilized without geographical limitations. Therefore, solar energy is a promising emerging renewable energy source that can replace fossil fuels. Typically, solar power generation converts sunlight into electrical energy … Read more

A Time Sequential Microfluidic Sensor with Tesla Valve Channels

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A Time Sequential Microfluidic Sensor with Tesla Valve Channels

Source: Nano Research Paper Information: Pengcheng Zhao, Haobin Wang, Yaozheng Wang, Wei Zhao, Mengdi Han, Haixia Zhang. A time sequential microfluid sensor with Tesla valve channels. Nano Research, 2023: 1-7. Paper Link: https://doi.org/10.1007/s12217-024-10127-7. Research Background Sweat is an important source of information about human health, providing insights into body temperature, ion concentration, metabolic products, and … Read more

Microbots Efficiently Remove Heavy Metals from Wastewater

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Microbots Efficiently Remove Heavy Metals from Wastewater

An international team led by scientists at the Max Planck Society in Germany has recently developed a type of microbot that can rapidly remove pollutants and heavy metals from industrial wastewater. After recovery and treatment, these pollutants can be recycled, promising an efficient and economical method for wastewater purification. According to reports, heavy metal pollution … Read more