Dr. Marta Mas-Torrent and her team are developing high-performance electrolyte-gated field-effect transistors (EGOFETs), electronic devices capable of working in an aqueous environment.
Electronics
Magnetic-Field-Modulated Tuning of Light-Emitting Properties
Researchers from Hong Kong Polytechnic University and the Hong Kong Polytechnic University Shenzhen Research Institute achieve remote and temporal tuning of luminescence intensity and wavelength in green- and blue-emissive piezophosphors by modulating the magnetic field. This novel method is promising for applications in magnetic optical sensing, piezophotonics, energy harvesting, nondestructive environmental surveillance, novel light sources, and displays.
Robust Nickel Composite for Lithium Ion Batteries
Researchers from Sun Yat-sen University, China, prepare a composite based on nickel nitride and sulfide nanosheets as the anode material for lithium ion batteries. The composite has enhanced cycle stability and lithiation capacity compared to the nitride and sulfide alone.
Superhydrophobic Smart Coating for Wearable Electronic Devices
Ting Zhang and co-workers from the Suzhou Institute of Nano-Tech and Nano-Bionics at the Chinese Academy of Sciences develop a novel superhydrophobic and piezoresistive coating for wearable sensing devices. The coating is durable in harsh conditions and can be used to detect real-time human movement when fabricated as a wearable strain sensor.
Turning a Material Upside Down can Make it Softer
New research points to the future development of “smart mechanical materials” for use in smart coatings and ferroelectric memories.
Low-Cost Battery from Waste Graphite
Swiss researchers have discovered a promising approach to how we might produce batteries out of waste graphite and scrap metal.
“Painting” with Light for Electroluminescent Displays
A novel, electroluminescent device concept that can emit light in response to the accumulation and distribution of materials on the device surface is developed.
Flexible Capacitor from Dielectric Polymers Improve
P(VDF-CTFE)-PTU composite with significantly elevated statistical breakdown field and the promoted charge-discharge efficiency has been successfully synthesized.
Periodic Silver Nanopore and Nanoparticle Arrays with Controlled Shape and Size
A unique and versatile approach to creating ordered silver nanostructures is presented that allows for feature shape alteration in a simple and inexpensive manner.
Harnessing the Marangoni Effect in Semiconductor Manufacturing
Researchers from the University of Hong Kong report how solution shearing of organic semiconductor crystals is influenced by a surface tension gradient. Using a Marangoni-effect-assisted bar coating method, ultrathin, uniform layers of crystals with large domain sizes are obtained that show excellent performance in organic field-effect transistors.
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