Georgia Institute of Technology

Printed wireless sensor could detect explosives

Researchers at the Georgia Institute of Technology have developed a prototype wireless sensor capable of detecting trace amounts of a key ingredient found in many explosives.

Piezo-phototronic effect improves efficiency of LEDs

The devices are believed to be the first LEDs whose performance has been enhanced by the creation of an electrical charge in a piezoelectric material using the piezo-phototronic effect.

Battery storage could get a boost from seaweed

Researchers may have found a new ingredient that could not only make lithium-ion batteries more efficient, but also cleaner and cheaper to manufacture.

Nanostructures on plastic aid energy harvesting

The technique, which uses a heated atomic force microscope (AFM) tip to produce patterns, could facilitate high-density, low-cost production of complex ferroelectric structures for energy harvesting arrays, sensors and actuators in nano-electromechanical systems (NEMS) and micro-electromechanical systems (MEMS).

New device captures ambient electromagnetic energy

Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems.

School bus to use energy harvesting and biofuel

The Georgia Institute of Technology and the Ford Motor Company Fund are partnering on the nation's first conversion of a school bus to a hydraulic hybrid vehicle that runs on recycled biofuel.

Applying energy harvesters to textiles

Energy harvesters enabling micro-power generation provide new levels of efficiency and automation in the built environment, process control, vehicles and healthcare.

Taking the heat: silver-diamond composite offers unique capabilities

Researchers at the Georgia Tech Research Institute (GTRI) are developing a solid composite material to help cool small, powerful microelectronics used in defense systems. The material, composed of silver and diamond, promises an exceptional degree of thermal conductivity compared to materials currently used for this application.

Organic transistor with metal oxide gate dielectric

In early 2011, researchers from the Georgia Institute of Technology described a new method of combining top-gate organic field-effect transistors with a bilayer gate insulator, one layer being inorganic.

Epitaxial graphene shows promise for replacing silicon in electronics

Move over silicon. There's a new electronic material in town, and it goes fast.

Energy Express Focus Issue: Thin-film photovoltaic materials & devices

Developing renewable energy sources has never been more important, and solar photovoltaic (PV) technologies show great potential in this field.

Energy harvesting nanogenerators grow stronger

While even the current nanogenerator output remains below the level required for such devices as iPods or cardiac pacemakers, Wang believes those levels will be reached within three to five years.

Biofuel Cell for self-powered nanodevices

The goal of nanotechnology is to build nanodevices that are intelligent, multifunctional, exceptionally small, extremely sensitive and have low power consumption.

Broad Scope of Energy Harvesting Event

Energy harvesting is the conversion of ambient energy to electricity in order to power small or mobile devices. It is part of the green revolution in reducing the need for batteries, whether by harnessing heat, light, movement or other things. The unique event "Energy Harvesting USA " will look at this with an unusually broad lens, from the needs of soldiers, building controls, logistics, the process industry and satellites to rotorcraft.

Solvay invests in Polyera to expand printed electronics development

Solvay is investing 4 million USD in a minority stake in Polyera Corporation, a materials developer for the printed electronics market.

Major new advances in energy harvesting

There have been concerns about the limitations of the various energy harvesting technologies which might explain the modest success of energy harvesting in electronics beyond the widespread use of photovoltaics.

Scientists strive to replace silicon with graphene on nanocircuity

Scientists have made a breakthrough toward creating nanocircuitry on graphene, widely regarded as the most promising candidate to replace silicon as the building block of transistors.

Powered by a heartbeat

Researchers at the Georgia Institute of Technology have discovered a method that could lead to medical devices that are powered by a patient's heartbeat.

Self-powered nanosensors

By combining a new generation of piezoelectric nanogenerators with two types of nanowire sensors, researchers have created what are believed to be the first self-powered nanometer-scale sensing devices that draw power from the conversion of mechanical energy.