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Nanotechnology Now - Press Release: Flashed nanodiamonds are just a phase: Rice produces fluorinated nanodiamond, graphene, concentric carbon via flash Joule heating

Nanotechnology Now - Press Release: Flashed nanodiamonds are just a phase: Rice produces fluorinated nanodiamond, graphene, concentric carbon via flash Joule heating
nanotech-now.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nanotech-now.com Daily Mail and Mail on Sunday newspapers.

Rice universityUnited statesPaul advinculaJacob beckhamKevin wyssWala algozeebMichael stanfordDuy xuan luongJohn tianci liBo jiangMike williamsWeiyin chenBoris yakobsonCarter kittrellJames tourJeff falk

Rice Lab Uses Laser-Induced Graphene Process to Create Micron-Scale Patterns in Photoresist

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

Rice University Adapts Laser-Induced Graphene Technique to Create Light-Sensitive Materials

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.

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

In graphene process, resistance is useful

E-Mail IMAGE: Rice University chemists have adapted their laser-induced graphene process to make conductive patterns from standard photoresist material for consumer electronics and other applications. view more Credit: Tour Group/Rice University HOUSTON - (May 6, 2021) - 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.

Rice universityUnited statesPaul advinculaJacob beckhamKevin wyssMichael stanfordLeonardg penlandWalker boldmanYieu chyanJohn tianci liWei yin chenJames tourEmily mchughDepartment of energyAaron bayles rice universityUniversity of tennessee

Flashing plastic ash completes recycling

E-Mail IMAGE: Rice University chemists turned otherwise-worthless pyrolyzed ash from plastic recycling into graphene through a Joule heating process. The graphene could be used to strengthen concrete and toughen plastics used in. view more Credit: Tour Group/Rice University HOUSTON - (Jan. 13, 2021) - Pyrolyzed plastic ash is worthless, but perhaps not for long. Rice University scientists have turned their attention to Joule heating of the material, a byproduct of plastic recycling processes. A strong jolt of energy flashes it into graphene. The technique by the lab of Rice chemist James Tour produces turbostratic graphene flakes that can be directly added to other substances like films of polyvinyl alcohol (PVA) that better resist water in packaging and cement paste and concrete, dramatically increasing their compressive strength.

Rice universityUnited statesJacob beckhamKevin wyssDuy xuan luongRouzbeh shahsavariWei yin chenMike williamsJames tourJeff falkShivaranjan raghuramanDepartment of energyNational science foundationTour groupNatural sciencesDepartment of chemistry