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Rice Lab Uses Laser-Induced Graphene Process to Create Micron-Scale Patterns in Photoresist A Rice University laboratory has adapted its laser-induced graphene technique to make high-resolution, micron-scale patterns of the conductive material for consumer electronics and other applications.  Laser-induced graphene (LIG), introduced in 2014 by Rice chemist James Tour, involves burning away everything that isn’t carbon from polymers or other materials, leaving the carbon atoms to reconfigure themselves into films of characteristic hexagonal graphene. The process employs a commercial laser that “writes” graphene patterns into surfaces that to date have included wood, paper and even food. The new iteration writes fine patterns of graphene into photoresist polymers, light-sensitive materials used in photolithography and photoengraving. Baking the film increases its carbon content, and subsequent lasing solidif

United statesPaul advinculaJacob beckhamKevin wyssMichael stanfordLeonardg penlandWalker boldmanYieu chyanJohn tianci liWei yin chenJames tourEmily mchughDepartment of energyUniversity of tennesseeOffice of science researchBa rice university