New transistors: An alternative to silicon and better than graphene

''Smaller and more energy-efficient electronic chips could be made using molybdenite.
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A discovery made at EPFL could play an important role in electronics, allowing us to make transistors that are smaller and more energy efficient. Research carried out in the Laboratory of Nanoscale Electronics and Structures (LANES) has revealed that molybdenite, or MoS2, is a very effective semiconductor. This mineral, which is abundant in nature, is often used as an element in steel alloys or as an additive in lubricants. But it had not yet been extensively studied for use in electronics.
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(It uses) 100,000 times less energy (than silicon)'' [source, and here]