Researchers at Nanyang Technological University have synthesised organic single crystals with thicknesses ranging from a few monolayers to micrometres by an “Organic Crystal Cleavage” method.
Ultrathin F16CuPc and pentacene single crystal field-effect transistors were subsequently fabricated and the corresponding thickness dependence of mobility was investigated. The charges induced in the metal–semiconductor interface reduced the contact barrier. This, in turn, allowed measurement of the values of mobility that precisely reflected the real transport properties of organic semiconductors.
Interested to know more? Why not read the full article for free: H. Jiang, K. Jie Tan, K. K. Zhang, X. Chen and C. Kloc, J. Mater. Chem., 2011, DOI: 10.1039/c0jm04383d (Advance Article)
