Nanotechnology

Tattoo Made of Gold Nanoparticles Revolutionizes Medical Diagnostics

Color changes of gold nanoparticles under the skin reveal concentration changes of substances in the body.

A Better Way to Measure Acceleration

Researchers have developed a millimeter-thick accelerometer.

Nanotransistors Stay Cool at High Voltages

The transistors enable power converters to perform at substantially improved efficiencies, especially in high-power applications.

Nanowire Could Provide a Stable Superconducting Transistor

The technology could boost quantum computers and other superconducting electronics.

Fully Recyclable Printed Electronics

Nearly 100% of all-carbon-based transistors are reclaimed while retaining future functionality of the materials.

Optical Device Fine-Tunes the Color of Light

The new photonic architecture could transform digital communications, artificial intelligence, and quantum computing.

Micro Molding and Micro-Optics

Learn about tooling challenges and other considerations when designing micro-optics, including metrology equipment capabilities, and post-molding assembly.

3D-Printed Nanosatellite Thruster Emits Pure Ions

The thruster provides a low-cost, extremely efficient propulsion source for miniature satellites.

Carbon-Based Air Quality Sensor

This affordable, scalable sensor could be a vital tool in the fight against air pollution and its associated health risks.

Hybrid Propellant Formulation Uses Graphene Foams

This method increases burn rate of solid propellants.

3D Printing of Gels and Soft Materials

A new method could jump-start the creation of tiny medical devices for the body.

Chip Delivers COVID-19 Test Results on a Smartphone

Programmed magnetic nanobeads are used to detect the virus in 55 minutes or less.

Wafer-Thin Nanopaper Changes from Firm to Soft at the Touch of a Button

Bioinspired cellulose nanofibrils can be controlled by electricity.

Enhancing Hybrid Flow Battery Electrodes with Nanomaterials

This technology provides highly efficient grid-scale electricity storage at a fifth of the cost of current storage technologies.

A Scalable Method for the Large-Area Integration of 2D Materials

Two-dimensional (2D) materials have a huge potential for providing devices with much smaller size and extended functionalities with respect to what can be achieved with...

Transistors Built from Ultra-Thin 2D Materials Take a Step Forward

Two-dimensional materials can be used to create smaller, high-performance transistors than the ones traditionally made of silicon, according to Professor Saptarshi Das of...

A Photonic 'Sunflower' Offers New Ideas for Light-Driven Systems

Taking inspiration from the insect, Tufts researchers created light-activated composite devices that execute precise, visible movements and form complex three-dimensional shapes, like a "photonic sunflower. "

Method Precisely Delivers Therapeutics Inside the Body

Ultrasound is used to deliver antibodies to treat cancers, infectious diseases, and rheumatoid arthritis.

Supercapacitors for Wearable Devices

These robust supercapacitors still work when stretched to eight times their original size.

Shape-Shifting Nanomaterial

This invention holds potential for a range of biomedical applications, from controlled-release drug delivery to tissue engineering.

Micro-Cameras Bring New Video Applications into Focus

Powerful, tiny cameras provide unique streaming-video solutions for NASA robots and defense applications.

Photonics West 2021 Preview

The virtual event offers a mix of live plenary talks, on-demand technical presentations and discussions, online networking and special events.

3D-Printed Smart Gel Changes Shape When Exposed to Light

The invention can become color-changing “artificial muscle.”

Method Checks Electronic Properties of Oxide Materials

This method is an important step towards smaller, more advanced, environmentally friendly electronics.

Lightweight, Hypersonic, Thermal Protection Material

The material is designed for high-temperature applications in aircraft, building insulation, personal protective clothing, industrial, and automotive.

High-Color-Purity 3D Printing

This method obtains high-color-purity 3D objects using a new class of nanoparticles.

This LED Can Be Integrated Directly Into Computer Chips

Light-emitting diodes — LEDs — are important in many more applications than just illumination. These light sources are useful in microelectronics too. Smartphones, for example,...