
Researchers have made the first experimental observation of piezoelectricity and the piezotronic effect in an atomically thin material, molybdenum disulfide, resulting in a unique electric generator and mechanosensation devices that are optically transparent, extremely light, and very bendable and stretchable.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-T-6ky86tjY/141015142831.htm