Multi-scale graphene patterns on arbitrary substrates via laser-assisted transfer-printing process

J. B. Park, J.-H. Yoo, C. P. Grigoropoulos

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

A laser-assisted transfer-printing process is developed for multi-scale graphene patterns on arbitrary substrates using femtosecond laser scanning on a graphene/metal substrate and transfer techniques without using multi-step patterning processes. The short pulse nature of a femtosecond laser on a graphene/copper sheet enables fabrication of high-resolution graphene patterns. Thanks to the scale up, fast, direct writing, multi-scale with high resolution, and reliable process characteristics, it can be an alternative pathway to the multi-step photolithography methods for printing arbitrary graphene patterns on desired substrates. We also demonstrate transparent strain devices without expensive photomasks and multi-step patterning process. © 2012 American Institute of Physics.
Original languageEnglish (US)
Pages (from-to)043110
JournalApplied Physics Letters
Volume101
Issue number4
DOIs
StatePublished - Jul 24 2012
Externally publishedYes

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