Hydrogels are three-dimensional (3D) polymer networks that do not dissolve in water but retain large amounts of liquids. Due to this advantageous property, hydrogels are particularly promising material platforms for both biomedical and environmental applications, as...
Electronics & Semiconductors
A memristor crossbar-based learning system for scalable and energy-efficient AI
Deep-learning models have proven to be highly valuable tools for making predictions and solving real-world tasks that involve the analysis of data. Despite their advantages, before they are deployed in real software and devices such as cell phones, these models...
A strategy to maximize photocurrent in organic photovoltaics by suppressing recombination loss
Organic photovoltaics (OPVs), solar technologies based on organic semiconductors, have shown great promise both for the scalable provision of clean energy and for the development of solar-powered wearable electronics. Despite their advantages, organic solar cells...
A 1.3-micrometer-thin elastic conductor for wearable and implantable devices
In recent years, engineers have been working to develop increasingly sophisticated and smaller electronic components that could power the devices of the future. This includes thin and stretchable components that could be easily worn on the skin or implanted inside the...
A reconfigurable device based on 2D van der Waals heterostructures that works both as a transistor and memory
One key objective of electronics engineering research is to develop computing devices that are both highly performing and energy-efficient, meaning that they can compute information quickly while consuming little power. One possible way to do this could be to combine...
Researchers realize perovskite-based phase heterojunction solar cells
Over the past few decades, engineers and material scientists have created increasingly advanced and efficient solar technologies. Some of these technologies are based on photovoltaics with a so-called heterojunction structure, which entails the integration of two...
A space-time coding metasurface antenna for efficient and secure communications
Antennas that can couple guided waves emitted from different sources in free space and manipulate these waves are crucial to the development of numerous technologies, including wireless communication, optical communication and ranging systems. Metasurfaces, thin films...
A promising optoelectronic synapse for reservoir computing based on alpha-indium selenide
Reservoir computing is an emerging computation framework based on the use of recurrent neural networks (i.e., networks in which data persists or reoccurs in patterns). This framework has the potential of reducing the time of data processing, while also improving the...
New acoustic resonators based on commercial field effect transistors
A key objective of electronics engineering studies focusing on radio communication is the development of increasingly smaller, lighter, and low-power radio components. This could be achieved by integrating all radio components into a single chip, for instance by...
Gate-tunable heterojunction tunnel triodes based on 2D metal selenide and 3D silicon
Electronics engineers worldwide are trying to improve the performance of devices, while also lowering their power consumption. Tunnel field-effect transistors (TFETs), an experimental class of transistors with a unique switching mechanism, could be a particularly...