|CCL 13.06.17 Flatlands beyond Graphene 2013, Jacobs University Bremen, Germany|
From: chemistry-request at ccl.net
To: chemistry-request at ccl.net
Date: Thu Feb 7 07:04:43 2013
Subject: 13.06.17 Flatlands beyond Graphene 2013, Jacobs University Bremen, Germany
Nanoelectronics based on truly two-dimensional materials has become a reality in the past few years. Due to its extraordinary electronic and mechanical properties, graphene has been investigated as prototype 2D material. However, the absence of a band gap and the difficulty to open a sizable one is defining the limits for the application of graphene as semiconductor substitutes. Alternative 2D materials are required, and available in the much more general class of 2D materials beyond graphene. Notably, many layered systems exhibit a large range of electronic properties, most of them being mechanically and chemically very stable. While the most studied 2D material, hexagonal boron nitride, is an excellent insulator, 2D semiconductors are found in particular for oxides and chalcogenides. High expectations for the emerging field of 2D electronics are in a materials class that offers high mechanical and chemical stability complemented by a wide range of electronic properties - transition metal dichalcogenides (TMDs). With the success of graphene, many production and characterization techniques have been developed that are applicable to the TMD field. Going beyond graphene, the key technology to produce 2D materials is based on exfoliation applied to layered TMDs and layer thickness can be determined by non-destructive optical microscopy. The enormous potential of 2D TMDs became evident when the first electronic devices on single-layer TMDs have been produced.NOTE THAT E-MAIL ADDRESSES HAVE BEEN MODIFIED!!!
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