A team of researchers combine atomic resolution imaging and spectroscopic techniques to determine the structure of misfit dislocations in a perovskite-type heteroepitaxial system. The results shed light on the complex chemical behavior of misfit dislocations formed at the interface between two multinary oxides.
Lipid-based Films for Biomedical Applications [Video]
Cecilia Leal from the University of Illinois and co-workers summarize the current research on lipid-based films for biomedical applications and provide new insight into multilayered hybrid lipid–polymer films for substrate-mediated drug delivery.
ZIF-Derived Bifunctional Air Electrodes for Rechargeable Zinc–Air Batteries [Video]
A simple, inexpensive, and scalable method is developed to produce cobalt-nanoparticles-encapsulated nitrogen-doped carbon nanotubes (Co-N-CNTs) as bifunctional air electrodes for Zn–air batteries.
Tumor-Targeting “Polywraplex” for siRNA Delivery [Video]
Tuo Jin and colleagues from Shanghai Jiao Tong University synthesize a synthetic carrier system for small interfering RNA (siRNA) with customizable size, pH-responsive degradability, and optimized surface population of cell-targeting agent.
Organic Ferroelectric Tunnel Junction for Memristive Devices [Video]
Researchers report a ferroelectric tunnel junction for organic-based memristors having a record-high tunneling electroresistance (TER) at room temperature, which could ensure large data integration density in computers.
Aerogel for Combined Temperature and Pressure Sensing
Xavier Crispin and co-workers from Linköping University, Sweden, report a thermoelectric polymer aerogel with dual-sensing capability. This single-material device can deliver independent pressure and temperature assessments.
A Bright Future For InGaN Photonic Crystal Light Emitters
Via a bottom-up approach this research shows the production of scalable, stable InGaN nanowire photonic crystals for high efficient LEDs.
Sensing Mercury via Simple Organic Field-Effect-Transistors
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.
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.
Photoreduction of Gaseous Nitrogen to Ammonia using Layered Double Hydroxide Nanosheets
For the first time, a new class of metal-to-metal charge-transfer (MMCT) systems is facilely synthesized.