Journal of the American Chemical Society

Method for scaling up production of thin electronic material

Sheets of graphene and other materials that are virtually two-dimensional hold great promise for electronic, optical, and other high-tech applications. But the biggest limitation in unleashing this potential has been figuring out how to make these materials in the form of anything larger than tiny flakes.

World's first solar battery to performance milestone

After debuting the world's first solar air battery last fall, researchers at The Ohio State University have now reached a new milestone.

Researchers produce powerful biosensor for medical diagnostics

This new biosensor has demonstrated very high sensitivity in detecting cholera toxins and can provide earlier diagnosis of conditions such as cancer and other infectious diseases.

Shape-fixing nanoreactor to make a better fuel cell catalyst

Proton-exchange membrane fuel cells are lightweight fuel cells being developed for applications in vehicles and portable electronics.

Electrolyte genome could be battery game-changer

A new breakthrough battery—one that has significantly higher energy, lasts longer, and is cheaper and safer—will likely be impossible without a new material discovery.

Researchers discover n-type polymer for fast organic battery

Researchers at the University of Houston have reported developing an efficient conductive electron-transporting polymer, a long-missing puzzle piece that will allow ultrafast battery applications.

Copper atoms bring a potential new battery material to life

A team of researchers has studied one member of a class of materials, called transition metal fluorides, that are potential cathodes for future lithium ion batteries.

Scientists make less flammable batteries

The Boeing Dreamliner's battery troubles last year highlighted the potential dangers of lithium-ion technology, but a safer alternative is emerging.

Flexible battery, no lithium required

A Rice University laboratory has flexible, portable and wearable electronics in its sights with the creation of a thin film for energy storage.

Trees go high-tech: process turns cellulose into energy storage device

Based on a fundamental chemical discovery by scientists, it appears that trees may soon play a major role in making high-tech energy storage devices.

Success in dye absorption structure control

The Organic/Inorganic Hybrid Photovoltaics Group of the NIMS, Global Research Center for Environment and Energy based on Nanomaterials Science (GREEN), elucidated the relationship between the photocurrent and the peculiar changes in the absorption structure occurring in the vicinity of the molecular-electrode interface in dye-sensitized solar cells, by conducting a soft X-ray radiation experiment at the High Energy Accelerator Research Organization (KEK).

Breakthrough advances nanomaterials for printable solar cells

Research collaboration with top scientists in Australia and Japan is advancing next generation solar cells.

The diabetes 'breathalyzer'

Chemists have demonstrated a sensor technology that could significantly simplify the diagnosis and monitoring of diabetes through breath analysis alone.

ORNL research paves way for larger, safer lithium ion batteries

Looking toward improved batteries for charging electric cars and storing energy from renewable but intermittent solar and wind, scientists at Oak Ridge National Laboratory have developed the first high-performance, nanostructured solid electrolyte for more energy-dense lithium ion batteries.

Large-scale production of edge-functionalized graphene nanoplatelets

The electrocatalytic activity of heteroatom-doped carbon-based nanomaterials has become a growing interest in the past few years due to their potential applications for fuel cells and metal-air batteries.

Stretchable energy storage devices

Rechargeable and stretchable energy storage devices, also known as supercapacitors, are urgently needed to complement advances currently being made in flexible electronics.

Nature holds key to energy storage

It is possible to extend the length of time a battery-like enzyme can store energy from seconds to hours.

Autonomous microrockets for biomedical and industrial use

Researchers at the University of California, San Diego have recently published research into bubble propelled microrockets for use in the human stomach.

Particle-free silver ink prints small, high-performance electronics

Reactive silver ink is airbrushed onto a thin, stretchy plastic film to make a flexible silver electrode.

Researchers develop unique graphene quantum dots for PV applications

Scientists from the National Physical Laboratory in New Delhi, India developed graphene based quantum dots (GQDs) blended with organic polymers. The new GQDs do not use any toxic metals such cadmium and lead used in today's quantum dots. The new devices actually perform better - less current loss and improved efficiency.