Materials & Coatings

Pulling Carbon Dioxide Out of the Air

The team plans to integrate such CO2-capturing materials with its earlier porous sponge platform, which has been developed to remove environmental toxins including oil, phosphates, and microplastics.

New Methods in Preparing and Purifying Nanomaterials

Innovators at NASA’s Glenn Research Center have made several breakthroughs in treating hexagonal boron nitride (hBN) nanomaterials, improving their properties to supplant carbon nanotubes in many applications.

Oxygen-Free Chemical Vapor Deposition Method to Make Graphene

Engineers are poised to clean things up with an oxygen-free chemical vapor deposition (OF-CVD) method that can create high-quality graphene samples at scale. Their work directly demonstrates how trace oxygen affects the growth rate of graphene and identifies the link between oxygen and graphene quality for the first time.

VaCNT Makes Up a Promising Membrane Material

Researchers of Karlsruhe Institute of Technology and partners carried out steroid hormone adsorption experiments to study the interplay of forces in the small pores. They found that vertically aligned carbon nanotubes (VaCNT) of specific pore geometry and pore surface structure are suited for use as highly selective membranes.

Self-Cleaning Coatings for Space or Earth

Electrodynamic dust shields (EDSs) are a key method to actively clean surfaces by running high voltages (but low currents) through electrodes on the surface. The forces generated by the voltage efficiently remove built-up, electrically charged dust particles. Innovators have developed a new transparent EDS for removing dust from space and lunar solar cells among other transparent surfaces.

How Tough Is Your Material? 3D Images Will Tell You

John Kolinski and his team at the Laboratory of Engineering Mechanics of Soft Interfaces aim to understand how cracks propagate in brittle solids, which is essential for developing and testing safe and cost-effective composite materials for use in construction, sports, and aerospace engineering.

Creating 2D All-Organic Perovskites

Perovskites are among the most researched topics in materials science. Recently, a research team solved an age-old challenge to synthesize all-organic two-dimensional perovskites, extending the field into the exciting realm of 2D materials. This breakthrough opens up a new field of 2D all-organic perovskites, which holds promise for both fundamental science and potential applications.

Engineered Skin Tissue Grants Robots Special Properties and Abilities

Researchers have found a way to bind engineered skin tissue to the complex forms of humanoid robots. This brings with it potential benefits to robotic platforms such as increased mobility, self-healing abilities, embedded sensing capabilities and an increasingly lifelike appearance.

Miniature 3D-Printed Actuators to Control Soft Robots

Researchers from NC State University have demonstrated mini soft hydraulic actuators that can be used to control the deformation and motion of soft robots that are less than a millimeter thick. The researchers also demonstrated that this technique works with shape memory materials.

Developing Safer Batteries with Solid-State Polymer Electrolytes

A 100 percent solid-state, high-performance polymer electrolyte addresses issues with liquid electrolytes for safer battery cell designs. Read this article to learn more.

Sodium Battery Is Capable of Rapid Charging in Just a Few Seconds

A research team has developed a high-energy, high-power hybrid sodium-ion battery capable of rapid charging. The innovative hybrid energy storage system integrates anode materials typically used in batteries with cathodes suitable for supercapacitors. Read on to learn more.

Designing Safer, Higher-Performance Lithium Batteries

Examining lithium metal batteries using nuclear magnetic resonance spectroscopy may help in the design of new electrolytes and anode surfaces for high-performance batteries. Read on to learn more.

Enhancing the Performance of All-Solid-State Batteries

A research team from Pohang University has successfully enhanced the performance and durability of all-solid-state batteries. This breakthrough was made possible through the implementation of a novel approach known as bottom electrodeposition. Read on to learn more.

Hardy Transistor Material Could be a Game-Changer for Nuclear Reactor Safety Monitoring

The safety and efficiency of a large, complex nuclear reactor can be enhanced by hardware as simple as a tiny sensor that monitors a cooling system....

Improved GaN-Based Semiconductor Devices for Power Electronics

A study led by Nagoya University in Japan revealed that a simple thermal reaction of gallium nitride (GaN) with metallic magnesium (Mg) results in the formation of a distinctive...

The Future of Space Habitats

No space habitat has yet been constructed beyond Earth orbit, but many design proposals have been made and aerospace engineers are working on new technologies to turn this science fiction into reality. Take this quiz to learn more about space habitats.

Advancing Low-Carbon Building Materials for Construction

UBC’s nature-based solution with locally available earthen materials could aid in building climate-resilient infrastructure.

Beyond Earth: The Future of In-Space Servicing

It no longer requires the imagination of Arthur C. Clarke to see where the space industry is headed. We need only to look at every other system of vehicles, appreciate the falling technical roadblocks, and observe the regulations and resources environment. It is with confidence that we ask not, “if?” but, “when?” We invite you to consider, “what’s next?” because almost anything becomes possible with the right foundations in place.

In-Space Manufacturing of Self-Replicating Machines

How do we get to a future of self-replicating, Von Neumann space probes? What are some of the steps required to convert the Asteroid Belt into a partial Dyson Sphere? The answer lies in ISAM or in-space servicing assembly and manufacturing, 3D printing on-orbit, and fully automated, ‘lights-out’ production on-Earth.

The Rise of the Celestial Assembly Line

The concept of space factories holds immense potential to revolutionize space exploration and benefit humanity on Earth. By leveraging advancements in 3D printing, robotics, and automation, these celestial assembly lines will pave the way for a more sustainable and cost-effective space economy.

Videos of the Month

See the videos of the month, including one on NASA’s Europa Clipper spacecraft; one on the Dragonfly rotorcraft and how it was tested multiple times by Johns Hopkins Applied Physics Laboratory in wind tunnel facilities; one on a team from Los Alamos National Laboratory going to the Haughton Impact Crater on Devon Island, Canada — a frigid environment similar to Mars; and one on engineers at the U.S. Naval Research Laboratory’s Naval Center for Space Technology recently completing robotic payload component level testing.

The Heat Is on Data Storage — Which Is Now OK

A University of Pennsylvania team demonstrated memory technology capable of enduring temperatures as high as 600 °C — more than twice the tolerance of any commercial drives on the market — and these characteristics were maintained for more than 60 hours.

3D-Printed Mini-Actuators Can Move Small Soft Robots, Lock Them Into New Shapes

Researchers from North Carolina State University have demonstrated miniature soft hydraulic actuators that can be used to control the deformation and motion of...

Molecular Crystal Motors Move Like Microbes When Exposed to Light

At first glance, Rabih O. Al-Kaysi’s molecular motors look like the microscopic worms you’d see in a drop of pond water. But these wriggling ribbons are not alive;...

Developing Next-Gen Solar Cells

Meet perovskite. The synthetic semiconducting material has the potential to convert substantially more solar power than silicon at a lower production cost.

Adding Abundant Elements to Improve Li-ion Battery Cathodes

Researchers used X-ray absorption analysis and theoretical calculations to explore the fine details of changes in the structure of the cathode material caused by introducing different dopant elements.