All our smart phones have shiny flat AMOLED displays. Behind each single pixel of these displays hide at least two silicon transistors which were mass-manufactured using laser annealing technologies. While the traditional methods to make them uses temperatures above 1,000 °C, the laser technique reaches the same results at low temperatures even on plastic substrates (melting temperature below 300 °C). Interestingly, a similar procedure can be used to generate crystals of #graphene. Graphene is a strong and thin nano-material made of carbon, its electric and heat-conductive properties have attracted the attention of scientists worldwide.
http://www.nanowerk.com/nanotechnology-news/newsid=45250.php
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