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dc.contributor.authorChen, Mingen_US
dc.contributor.authorWang, Zhixunen_US
dc.contributor.authorGe, Xinen_US
dc.contributor.authorWang, Zheen_US
dc.contributor.authorFujisawa, Kazunorien_US
dc.contributor.authorXia, Juanen_US
dc.contributor.authorZeng, Qingshengen_US
dc.contributor.authorLi, Kaiweien_US
dc.contributor.authorZhang, Tingen_US
dc.contributor.authorZhang, Qichongen_US
dc.contributor.authorChen, Mengxiaoen_US
dc.contributor.authorZhang, Nanen_US
dc.contributor.authorWu, Tingtingen_US
dc.contributor.authorMa, Shaoyangen_US
dc.contributor.authorGu, Guoqiangen_US
dc.contributor.authorShen, Zexiangen_US
dc.contributor.authorLiu, Linboen_US
dc.contributor.authorLiu, Zhengen_US
dc.contributor.authorTerrones, Mauricioen_US
dc.contributor.authorWei, Leien_US
dc.identifier.citationChen, M., Wang, Z., Ge, X., Wang, Z., Fujisawa, K., Xia, J., Zeng, Q., Li, K., Zhang, T., Zhang, Q., Chen, M., Zhang, N., Wu, T., Ma, S., Gu, G., Shen, Z., Liu, L., Liu, Z., Terrones, M. & Wei, L. (2020). Controlled fragmentation of single-atom-thick polycrystalline graphene. Matter, 2(3), 666-679.
dc.description.abstractControlling the fragmentation of atomically thin and brittle materials is of critical importance for both fundamental interest and technical purposes in fracture mechanics. However, the fragmentation of graphene is often random and uncontrollable because of the presence of grain boundaries and numerous defects. Here, by harnessing the strong localized strain during the necking process of thermoplastic polymers, we introduce a simple yet controllable method to tear apart a monolayer polycrystalline graphene (MPG) sheet into ordered graphene ribbons. More importantly, we show that the presence of active edges helps the graphene ribbons in exhibiting a field-effect characteristic pH response and improves the introduction of dopants. Furthermore, we demonstrate an optically transparent (∼98%), ultrathin (∼70 ± 15 nm), and skin-conformal pressure sensor for real-time tactile sensing. We believe that our results lead to further understanding of the fracture mechanics of graphene and offer unique advantages for practical applications, such as flexible electronics, chemical sensing, and biosensing.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relationMOE 2019-T1-001-103en_US
dc.relationMOE2019-T1-001- 111en_US
dc.rights© 2019 Elsevier Inc. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleControlled fragmentation of single-atom-thick polycrystalline grapheneen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.subject.keywordsGraphene Controlleden_US
dc.description.acknowledgementThis work was supported in part by the Singapore Ministry of Education Academic Research Fund Tier 2 (MOE2015-T2-2-010) and the Singapore Ministry of Education Academic Research Fund Tier 1 (MOE 2019-T1-001-103 and MOE2019-T1-001- 111). This work was supported in part by the EEE Ignition Research Grant. This work was supported in part by the National Nature Science Foundation of China: 11804354. M.T. and K.F. acknowledge the Air Force Office of Scientific Research (AFOSR) grant 17RT0244. T.Z. acknowledges the Bureau of International Cooperation of Chinese Academy of Sciences, International Partnership Program grant 182211KYSB20170029. This work was supported in part by the Singapore National Research Foundation under NRF award numbers NRF-NRFF2013-08 and NRFCRP13-2014-05.en_US
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