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Two-dimensional flat carbon sheets, commonly seen in graphite, are a much sought after material with interesting electronic and mechanical characteristics. It is expected to be used in the next generation microchips in lieu of silicon and also expected to first enter the commercial market in the form of conducting plastics and composites. Due to the increase in the number of such applications along with business opportunities, producing or isolating this layer of graphite cost-effectively is an urgent challenge to be addressed. Widespread efforts in this direction are focusing more on chemical methods to separate (from bulk graphite) or deposit (using epitaxial methods) this two-dimensional layer; such chemical methods not only are environmentally unfriendly, but also produce poor yield and can result in graphene layers with undesirable functional groups attached. One of the early methods, and still sometimes used today for research, of separating graphene from bulk graphite is by mechanical cleavage using a scotch tape. This method is known to produce high quality of graphene layers. However, this method is not reliable for mass manufacturing of graphene; the full potential for such mechanical methods remain to be explored. In this study, a novel method to synthesize carbon nano-sheets specially few layers of graphene from bulk graphite by mechanical exfoliation is presented. The method involves the use of an ultra-sharp single crystal diamond wedge to cleave highly or-

Few layers of graphene and carbon nanoscrolls by wedge based mechanical exfoliation