Optical materials news, February 2016

Placing graphene on top of common soda-lime glass influences its electronic properties, reducing the need for chemical doping.

Eight-armed nanoparticles of Au and Pd, which combine the catalytic and plasmonic capabilities of each element, could speed up chemical reactions.

Tetrahedral cages made from DNA can be used to arrange nanoparticles in a way that mimics the crystalline structure of diamond.

By combining 3D laser lithography and pyrolysis, scientists have fabricated the smallest ever lattice structure made from glassy carbon.

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Efficient vertical charge transport in semiconducting polymers can be achieved by controlling the orientation of the polymer chains.

A new theory can predict exactly how much light is transmitted through a material, given its thickness and degree of stretch.

A new composite glass-based material can block UV light and withstand long radiation exposure times without falling apart.

Scientists have engineered the transition point of vanadium dioxide, allowing them to control the temperature at which the transition occurs.

A metamaterial comprising an array of metallic wires can significantly boost the sensitivity of MRI machines.

Scientists have developed a novel method, termed bubble-pen lithography, that uses microbubbles to inscribe nanoparticles onto a surface.

A thin, stretchable film offers a simpler, more cost-effective way to produce circularly polarized light for applications such as detecting cancer.

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By finding a way to sandwich two types of perovskite into a single photovoltaic cell, scientists have achieved a conversion efficiency of 21.7%.