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Nanotechnology Spotlights

Few-layer antimonene decorated microfiber improves optical modulation communication with enhanced long-term stability

Researchers have used afew-laye antimonene nanosheet to demonstrate all optical modulation in optical signal processing. To utilize the saturable absorption property of few-layer antimonene, antimonene-decorated microfiber was employed as an optical saturable absorber that can allow for passive mode-locking, Q-switching and all-optical thresholding at the telecommunication band. These results may provide guidance for the application...

Posted: Mar 23, 2018

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Multifunctional nanotechnology fire alarm wallpaper

wallpaperImagine you are fast asleep in your bedroom when a fire breaks out somewhere else in your house. Fortunately, you have nanotechnology-enhanced wallpaper that detects the fire and automatically rings an alarm. Realizing this idea, scientists have developed a 'smart' wallpaper based on highly flexible fire-resistant inorganic paper embedded with ultralong hydroxyapatite nanowires that serve as the substrate and graphene oxide...

Posted: Mar 21, 2018

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Nanoengineered bioinks for 3D printing

Imagine being able to print out healthy tissue with just a sample of a patient's own cells. While printed replacement human body parts might seem like science fiction, the use of 3D printing technologies for medical applications is a relatively new but rapidly expanding research field, although still quite a way from clinical application for treating patients. However, currently available bioinks cannot 3D print self-sustaining...

Posted: Mar 20, 2018

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Customized design of multiple anti-counterfeiting marks with nanoimprinting

photonic_crystalResearchers report a simple method to facilitate the mass production of flexible photonic crystals (FPCs) with full-color grating properties. The nanoimprinted FPC structure is capable of displaying full-color grating properties because of the nano-hemispherical structures on its surface. This novel approach requires relatively inexpensive equipment and much less time than previous techniques. In addition, multiple anti counterfeiting...

Posted: Mar 19, 2018

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Towards carbon nanotube-based quantum devices

carbon_nanotubeDespite the rise of graphene and other two-dimensional (2-D) materials, semiconducting single-walled carbon nanotubes are still regarded as strong candidates for the next generation of high-performance, ultra-scaled and thin-film transistors as well as for opto-electronic devices. In new work, a European team of researchers demonstrates simultaneous confinement of electrons and holes between artificial defects separated by...

Posted: Mar 16, 2018

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Cell sex impacts the biological uptake of nanoparticles

actin_filamentsScientists have discovered that cell sex is an important overlooked factor at the nanobio interfaces. More specifically, depending on their sex, cells respond differently to the exact same type of nanoparticles. These findings have a capacity to optimize clinical translation of nanoparticles and also to help researchers to better design and produce safe and efficient therapeutic sex-specific nanoparticles. It is likely that...

Posted: Mar 15, 2018

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Black phosphorus analogues: Emerging photoelectric materials

nanosheetsSingle- or few-layer black phosphorus (BP) is one of the most promising two-dimensional semiconductors for electronic and optoelectronic device applications but its environmental instability has always posed a major hurdle for BP-based devices. In contrast, black phosphorus analogues (BPA) nanoarchitectures not only own the similar folded structure of BP, its tunable bandgap energy band and high carrier mobility, but exhibit...

Posted: Mar 14, 2018

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Nanopatterning below 5 nm - towards the design of molecular building blocks

nanofabricationGiven the vast, and still rising, cost of optical lithography tools, researchers have considered alternative patterning technologies such as electron beam lithography (EBL), and nanoimprint technology (NIL) in order to enable the manufacturing of next-generation integrated circuits, flash memory, and hard disk drives. Now that the length scales attainable by top-down lithography are approaching that of bottom-up self-assembly...

Posted: Mar 09, 2018

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