A KAIST (Korea Advanced Institute of Science and Technology) research team made it one step closer to realizing safe energy storage with high energy density, high power density, and a longer cycle life. This hybrid storage alternative shows power density 100 times faster than conventional batteries, allowing it to be charged within a few seconds.…
Molecular Sensor Performs In-Situ Analysis of Complex Biological Fluids
A Korea Advanced Institute of Science and Technology (KAIST) research group presented a molecular sensor with a microbead format for the rapid in-situ detection of harmful molecules in biological fluids or foods in a collaboration with a Korea Institute of Materials Science (KIMS) research group. As the sensor is designed to selectively concentrate charged small…
Mussels Inspire Stronger Graphene
Researchers demonstrated the mussel-inspired reinforcement of graphene fibers for the improvement of different material properties. A research group at Korea Advanced Institute of Science and Technology (KAIST), under Professor Sang Ouk Kim, applied polydopamine as an effective infiltrate binder to achieve high mechanical and electrical properties for graphene-based liquid crystalline fibers. This bio-inspired defect engineering…
Nanoforce Touch Sensor Improves Wearable Devices
Researchers reported a high-performance and transparent nanoforce touch sensor by developing a thin, flexible, and transparent hierarchical nanocomposite (HNC) film. The research team says their sensor simultaneously features all the necessary characters for industrial-grade application: high sensitivity, transparency, bending insensitivity, and manufacturability. Force touch sensors that recognize the location and pressure of external stimuli have…
Biosensor Pushes High-Level Production of Microbial Cell Factories
A research group at Korea Advanced Institute of Science and Technology (KAIST) has presented a novel biosensor that can produce diverse, high-level microbial cell factories. The biosensor monitors the concentration of products and even intermediates when new strains are being developed. This strategy provides a new platform for manufacturing diverse natural products from renewable resources.…
Near-infrared Band Used for Permanent, Wireless Self-charging System
As wearable devices are emerging, there are numerous studies on wireless charging systems. Here, a Korea Advanced Institute of Science and Technology (KAIST) research team has developed a permanent, wireless self-charging platform for low-power wearable electronics by converting near-infrared (NIR) band irradiation to electrical energy. This novel technology can be applied to flexible, wearable charging…
Flexible Piezoelectric Acoustic Sensors Used for Speaker Recognition
A Korea Advanced Institute of Science and Technology (KAIST) research team led by Professor Keon Jae Lee from the Department of Material Science and Engineering has developed a machine learning-based acoustic sensor for speaker recognition. Acoustic sensors were spotlighted as one of the most intuitive bilateral communication devices between humans and machines. However, conventional acoustic…
Spray Coated Tactile Sensor Advances Robotic Skin
A Korea Advanced Institute of Science and Technology (KAIST) research team has reported a stretchable pressure insensitive strain sensor by using an all solution-based process. The solution-based process is easily scalable to accommodate for large areas and can be coated as a thin-film on three-dimensional irregularly shaped objects via spray coating. These conditions make their…
Researchers Transfer Nanowires onto Flexible Substrate
Boasting excellent physical and chemical properties, nanowires (NWs) are suitable for fabricating flexible electronics; therefore, technology to transfer well-aligned wires plays a crucial role in enhancing performance of the devices. A KAIST (Korea Advanced Institute of Science and Technology) research team succeeded in developing NW-transfer technology that is expected to enhance the existing chemical reaction-based…
Organic Thin Film Improves Efficiency, Stability of Solar Cells
Recently, the power conversion efficiency (PCE) of colloidal quantum dot (CQD)-based solar cells has been enhanced, paving the way for their commercialization in various fields; nevertheless, they are still a long way from being commercialized due to their efficiency not matching their stability. In this research, a KAIST (Korea Advanced Institute of Science and Technology)…
Microdevice Takes a Step Toward Theragnosis
A Korea Advanced Institute of Science and Technology (KAIST) research team has developed a flexible drug delivery device with controlled release for personalized medicine, a step toward theragnosis. Theragnosis, an emerging medical technology, is gaining attention as key factor to advance precision medicine with simultaneous diagnosis and therapeutics. Theragnosis devices including smart contact lenses and…
Flexible Vertical Micro LED Controls Brain Behavior
A Korea Advanced Institute of Science and Technology (KAIST) research team led by Professor Keon Jae Lee from the Department of Materials Science and Engineering and Professor Daesoo Kim from the Department of Biological Sciences has developed flexible vertical micro LEDs (f-VLEDs) using anisotropic conductive film (ACF)-based transfer and interconnection technology. The team also succeeded…
Ultra-Thin Fibers Used in Wearable Displays
Professor Kyung Cheol Choi from Korea Advanced Institute of Science and Technology’s School of Electrical Engineering and his team have succeeded in fabricating highly efficient Organic Light-Emitting Diodes (OLEDs) on an ultra-thin fiber. The team expects the technology, which produces high-efficiency, long-lasting OLEDs, can be widely utilized in wearable displays. Existing fiber-based wearable displays’ OLEDs…
Semi-transparent Solar Cells with Thermal Mirror Capability Developed
A Korean research team has created semi-transparent perovskite solar cells that demonstrate high-power conversion efficiency and transmit visible light while blocking infrared light, making them great candidates for solar windows. Modern architects prefer to build exteriors designed with glass mainly from artistic or cost perspectives. Scientists, however, go one step further and see opportunities from…
Bacteria Discovery Holds Promise for Toxic Chemical Resistance
Researchers have sequenced the whole genome of Clostridium tyrobutyricum, which has a higher tolerance to toxic chemicals, such as 1-butanol, compared to other clostridial bacterial strains. Clostridium tyrobutyricum, a Gram-positive, anaerobic spore-forming bacterium, is considered a promising industrial host strain for the production of various chemicals including butyric acid which has many applications in different…