Graphene could replace rare metal used in mobile phone screens

Researchers from Paragraf and Queen Mary University of London demonstrated the successful fabrication of an Organic Light-Emitting Diode (OLED) with a monolayer graphene anode, replacing ITO in organic light-emitting diodes. ...

Organic light emitting diodes operated by 1.5 V battery

Researchers at Institute for Molecular Science, and University of Toyama, in Japan, report an efficient organic light emitting diode (OLED) operable by a 1.5-V battery that produces bright emission equivalent to luminance ...

Suppressing the Auger recombination process in quantum dots

A Quantum Dot (QD) is a nanometer-sized semiconductor nanocrystal that has unique optical properties such as the ability to emit light in the range of optical frequencies depending on its size. QDs have already been applied ...

Preventing data leak with dual-band metahologram

New frontiers have opened in the world of preventing data breaches by using light of two different wavelengths—visible and infrared light. This is achieved by using a new material called a metasurface that makes extreme ...

Natural mineral hackmanite enables new method of x-ray imaging

Researchers from the University of Turku have discovered a new method of X-ray imaging based on the coloring abilities of the natural mineral hackmanite. The international group of researchers also found out how and why hackmanite ...

Visibly transparent radiative cooler under direct sunlight

Since the Paris Climate Agreement took effect in 2016, 121 countries have pledged to become carbon neutral by 2050 as the world tries to reduce its fuel consumption. The Korean government unveiled its 2050 Carbon Neutral ...

Synthesis method expands material possibilities

Since the beginning of civilization, humans have exploited new materials to improve their lives, from the prehistoric Stone Age, Bronze Age, and Iron Age to the modern Silicon Age. With each period came technological breakthroughs ...

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