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The main advantage for applications of graphene and related 2D materials is that they can be produced on large scales by liquid phase exfoliation. The exfoliation process shall be considered as a particular fragmentation process, where the 2D character of the exfoliated objects will influence significantly fragmentation dynamics as compared to standard materials. Here, we used automatized image processing of Atomic Force Microscopy (AFM) data to measure, one by one, the exact shape and size of thousands of nanosheets obtained by exfoliation of an important 2D-material, boron nitride, and used different statistical functions to model the asymmetric distribution of nanosheet sizes typically obtained. Being the resolution of AFM much larger than the average sheet size, analysis could be performed directly at the nanoscale and at the single sheet level. We find that the size distribution of the sheets at a given time …
Royal Society of Chemistry
Publication date: 
1 Jan 2014

Konstantinos Kouroupis-Agalou, Andrea Liscio, Emanuele Treossi, Luca Ortolani, Vittorio Morandi, Nicola Maria Pugno, Vincenzo Palermo

Biblio References: 
Volume: 6 Issue: 11 Pages: 5926-5933