Scientific AchievementLaser-assisteddirectinkwriting(L-DIW)isusedtopatternhighlyconductive,ductilemetallicinterconnects, springs,andfree-standingspiralarchitecturesonflexibleandrigidsubstrates.
Significance and ImpactAnewprintingmethod isintroduced forone-stepfabricationofconductiveandductilemetalfeaturesinplanarandcomplex3Dshapesthatcombinesdirectinkwritingwith“on-the-fly”laserannealing. Research Details– Anewprinthead wasdesignedthat integratesan808nmlaseralongsideaninkdepositionnozzle
– Heattransferalongprintedsilverwiresismodeledasafunctionofprintingspeed, laserintensityandpulsedurationtooptimizetheprintingprocess
– OurL-DIWapproachenablespatterningofconcentratedsilverinksinmyriadformfactors
Laser-Assisted Direct Ink Writing of Metallic Architectures
WorkwasperformedatHarvardUniversity M.Skylar-Scott,S. GunasekaranandJ.A.Lewis,“Laser-AssistedDirectInkWritingofPlanarand3DMetallicArchitectures”,PNAS(2016).[inpress]
May 2016 Research Highlight
