Optical materials comment, March 2015

Mechanical metamaterials benefit from quantum mechanics

Engineers have created a method for systematically designing metamaterials using the principles of quantum mechanics.

Organic materials for rechargeable sodium-ion batteries

Ultra-thin solar cells bend and flex while they work

Scientists have made ultra-thin solar cells from gallium arsenide that are flexible enough to wrap around the average pencil.

Towards bridging LEDs' green gap

Researchers found that the semiconductor indium nitride (InN)will emit green light if reduced to 1 nanometer-wide wires.

Transparent iron