Atomic-scale observation of rotational misorientation in suspended few-layer graphene sheets

Nanoscale
Manoj K SinghJosé J A Gracio

Abstract

Single or few-layer graphene (FLG) sheets offer extraordinary electronic, thermal and mechanical properties and are expected to find a variety of applications. Fully exploiting the properties of graphene will require a method for the production of high-quality graphene sheets (almost pristine graphene) in large quantities. In this regard, we report a two-step method for obtaining a homogenous colloidal suspension of single or FLG sheets up to 0.15 mg ml(-1) in N,N-dimethylformamide solution. The graphene nanostructures are directly imaged using a high-resolution transmission electron microscope (HRTEM) operated at 200 kV with a point resolution of 0.16 nm. We observed rotational misorientation within the flake in the HRTEM images of 2, 4 and 6 layers of graphene sheets, giving rise to Moiré patterns. By filtering in the frequency domain using a Fourier transform, we reconstruct the graphene lattice of each sheet and determine the relative rotation between consecutive graphene layers up, to six separate sheets. Direct evidence is obtained for FLG sheets with packing that is different to the standard AB Bernal packing of bulk graphite. Furthermore, we observed periodic ripples in suspended graphene sheets in our TEM measurements....Continue Reading

References

Oct 23, 2004·Science·K S NovoselovA A Firsov
Jul 16, 2005·Proceedings of the National Academy of Sciences of the United States of America·Serguei PatchkovskiiGotthard Seifert
Jul 21, 2006·Nature·Sasha StankovichRodney S Ruoff
Aug 15, 2006·Nature Materials·David C Coffey, David S Ginger
Dec 13, 2006·Physical Review Letters·A C FerrariA K Geim
Mar 3, 2007·Nature·Jannik C MeyerS Roth
Mar 3, 2007·Nature Materials·A K Geim, K S Novoselov
May 23, 2007·Proceedings of the National Academy of Sciences of the United States of America·Elena StolyarovaGeorge W Flynn
Jul 14, 2007·Science·G M RutterJ A Stroscio
Sep 25, 2007·Nature Materials·A FasolinoM I Katsnelson
Jan 26, 2008·Science·Xiaolin LiHongjie Dai
Feb 21, 2008·Nano Letters·Alexander A BalandinChun Ning Lau
May 1, 2008·Nano Letters·Peter BlakeKostya S Novoselov
Jun 4, 2008·Physical Review Letters·Xinran WangHongjie Dai
Jul 18, 2008·Nature·Jannik C MeyerA Zettl
Jul 26, 2008·Nature Nanotechnology·Phaedon AvourisVasili Perebeinos
Jul 26, 2008·Nature Nanotechnology·T RamanathanL C Brinson
Sep 6, 2008·Nature Nanotechnology·Xiaolin LiHongjie Dai
Sep 6, 2008·Nature Nanotechnology·Yenny HernandezJonathan N Coleman
Sep 16, 2008·Nano Letters·Meryl D StollerRodney S Ruoff
Oct 15, 2008·Physical Review Letters·D MartocciaT Greber
Nov 8, 2008·Nature Nanotechnology·Mhairi H GassA K Geim
Dec 17, 2008·Nano Letters·Jamie H WarnerG Andrew D Briggs
Dec 23, 2008·Nano Letters·Yu-Ming LinPhaedon Avouris
Feb 10, 2009·Nature Materials·Konstantin V EmtsevThomas Seyller
Mar 5, 2009·Physical Review Letters·Zheng LiuSumio Iijima
Mar 28, 2009·Science·Caglar O GiritA Zettl
Apr 8, 2009·Nature Nanotechnology·Sungjin Park, Rodney S Ruoff
Apr 17, 2009·Nature·Liying JiaoHongjie Dai
May 2, 2009·Small·Athanasios B BourlinosAthanasios K Stubos
Jun 6, 2009·Nature Nanotechnology·M F CraciunS Tarucha
Jun 13, 2009·Physical Review Letters·Chuanhong JinSumio Iijima
Sep 8, 2009·Nature Nanotechnology·Wenzhong BaoChun Ning Lau

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Citations

Oct 1, 2013·ACS Applied Materials & Interfaces·Jingying LiChen Wang
Mar 26, 2013·Journal of the American Chemical Society·Ashok Kumar SundramoorthyMary B Chan-Park
Apr 4, 2012·Nano Letters·Wei L WangEfthimios Kaxiras
May 18, 2011·ACS Nano·Sunil K SinghDebabrata Dash
Oct 24, 2014·Scientific Reports·Gil GonçalvesPaula A A P Marques
Nov 17, 2010·Nanoscale·Yuping RenKostya Ken Ostrikov
Feb 24, 2012·The Journal of Physical Chemistry. B·Z G ChenL Tan
Mar 29, 2012·Nanoscale·Michael D WilliamsXiao-Qian Wang
Apr 2, 2011·Nanotechnology·Reeti BajpaiD S Misra
Sep 8, 2012·Nanoscale·Takuya HayashiMorinobu Endo
Jun 15, 2012·Nanoscale·Jasmine HargroveXiao-Qian Wang

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