This atomically thin material generates electricity

Engineers have demonstrated that a single atomic layer of molybdenum disulfide (MoS2) can generate an electrical voltage when it’s stretched or compressed.

The effect is known as piezoelectricity. Scientists had predicted it was theoretically possible in materials of only a few atomic thicknesses, but this is the first experimental observation.

The material could be the basis for unique electric generators that are lightweight, bendable, stretchable–and ultimately wearable.

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