Three-dimensionally bonded spongy graphene material with super compressive elasticity and near-zero Poisson's ratio

被引：519

作者：

Wu, Yingpeng ^{[1
,2
]}

Yi, Ningbo ^{[1
,2
]}

Huang, Lu ^{[1
,2
]}

Zhang, Tengfei ^{[1
,2
]}

Fang, Shaoli ^{[3
]}

Chang, Huicong ^{[1
,2
]}

Li, Na ^{[1
,2
,3
]}

Oh, Jiyoung ^{[3
]}

Lee, Jae Ah ^{[3
,4
,5
]}

Kozlov, Mikhail ^{[3
]}

Chipara, Alin C. ^{[6
]}

Terrones, Humberto ^{[7
,8
]}

Xiao, Peishuang ^{[1
,2
]}

Long, Guankui ^{[1
,2
]}

Huang, Yi ^{[1
,2
]}

Zhang, Fan ^{[1
,2
]}

Zhang, Long ^{[1
,2
]}

Lepro, Xavier ^{[3
]}

Haines, Carter ^{[3
]}

Lima, Marcio Dias ^{[3
]}

Lopez, Nestor Perea ^{[7
,8
]}

Rajukumar, Lakshmy P. ^{[7
,8
]}

Elias, Ana L. ^{[7
,8
]}

Feng, Simin ^{[7
,8
]}

Kim, Seon Jeong ^{[4
,5
]}

Narayanan, N. T. ^{[6
]}

Ajayan, Pulickel M. ^{[6
]}

Terrones, Mauricio ^{[7
,8
]}

Aliev, Ali ^{[3
]}

Chu, Pengfei ^{[9
]}

Zhang, Zhong ^{[9
]}

Baughman, Ray H. ^{[3
]}

Chen, Yongsheng ^{[1
,2
]}

机构：

[1] Nankai Univ, Synerget Innovat Ctr Chem Sci & Engn Tianjin, Inst Polymer Chem, Key Lab Funct Polymer Mat,Coll Chem, Tianjin 300071, Peoples R China

[2] Nankai Univ, Synerget Innovat Ctr Chem Sci & Engn Tianjin, Inst Polymer Chem, Ctr Nanoscale Sci & Technol,Coll Chem, Tianjin 300071, Peoples R China

[3] Univ Texas Dallas, Alan G MacDiarmid NanoTech Inst, Richardson, TX 75083 USA

[4] Hanyang Univ, Ctr Bioartificial Muscle Engn, Seoul 133791, South Korea

[5] Hanyang Univ, Dept Biomed Engn, Seoul 133791, South Korea

[6] Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77005 USA

[7] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[8] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

[9] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

关键词：

DOPED GRAPHENE; CARBON; OXIDE; ULTRALIGHT; PERFORMANCE; NITROGEN; FOAMS; WATER;

D O I：

10.1038/ncomms7141

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

It is a challenge to fabricate graphene bulk materials with properties arising from the nature of individual graphene sheets, and which assemble into monolithic three-dimensional structures. Here we report the scalable self-assembly of randomly oriented graphene sheets into additive-free, essentially homogenous graphene sponge materials that provide a combination of both cork-like and rubber-like properties. These graphene sponges, with densities similar to air, display Poisson's ratios in all directions that are near-zero and largely strain-independent during reversible compression to giant strains. And at the same time, they function as enthalpic rubbers, which can recover up to 98% compression in air and 90% in liquids, and operate between -196 and 900 degrees C. Furthermore, these sponges provide reversible liquid absorption for hundreds of cycles and then discharge it within seconds, while still providing an effective near-zero Poisson's ratio.

引用

页数：9

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