Abstract：
:We developed a simple, scalable and high-throughput method for fabrication of large-area three-dimensional rose-like microflowers with controlled size, shape and density on graphene films by femtosecond laser micromachining. The novel biomimetic microflower that composed of numerous turnup graphene nanoflakes can be fabricated by only a single femtosecond laser pulse, which is efficient enough for large-area patterning. The graphene films were composed of layer-by-layer graphene nanosheets separated by nanogaps (~10-50 nm), and graphene monolayers with an interlayer spacing of ~0.37 nm constituted each of the graphene nanosheets. This unique hierarchical layering structure of graphene films provides great possibilities for generation of tensile stress during femtosecond laser ablation to roll up the nanoflakes, which contributes to the formation of microflowers. By a simple scanning technique, patterned surfaces with controllable densities of flower patterns were obtained, which can exhibit adhesive superhydrophobicity. More importantly, this technique enables fabrication of the large-area patterned surfaces at centimeter scales in a simple and efficient way. This study not only presents new insights of ultrafast laser processing of novel graphene-based materials but also shows great promise of designing new materials combined with ultrafast laser surface patterning for future applications in functional coatings, sensors, actuators and microfluidics.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Shi X,Li X,Jiang L,Qu L,Zhao Y,Ran P,Wang Q,Cao Q,Ma T,Lu Ydoi
10.1038/srep17557subject
Has Abstractpub_date
2015-11-30 00:00:00pages
17557issn
2045-2322pii
srep17557journal_volume
5pub_type
杂志文章abstract：:With countless biological details emerging from cancer experiments, there is a growing need for minimal mathematical models which simultaneously advance our understanding of single tumors and metastasis, provide patient-personalized predictions, whilst avoiding excessive hard-to-measure input parameters which complica...
journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2011-01-01 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-08-22 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-04-18 00:00:00
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pub_type： 杂志文章
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更新日期：2019-04-05 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2015-03-04 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2017-02-02 00:00:00
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journal_title：Scientific reports
pub_type： 已发布勘误
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更新日期：2020-10-09 00:00:00
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journal_title：Scientific reports
pub_type： 已发布勘误
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更新日期：2020-03-06 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-06-07 00:00:00
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pub_type： 杂志文章
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更新日期：2017-03-20 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2017-03-14 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2015-05-29 00:00:00
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pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2017-09-21 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2014-08-22 00:00:00
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更新日期：2017-07-06 00:00:00
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更新日期：2016-09-08 00:00:00
