Organic transistors: two-dimensional transport and improved electrical characteristics.
摘要：
The thiophene oligomer α-hexathienylene (α-6T) has been successfully used as the active semiconducting material in thin-film transistors. Field-induced conductivity in thin-film transistors with α-6T active layers occurs only near the interfacial plane, whereas the residual conductivity caused by unintentional doping scales with the thickness of the layer. The two-dimensional nature of the field-induced conductivity is due not to any anisotropy in transport with respect to any molecular axis but to interface effects. Optimized methods of device fabrication have resulted in high field-effect mobilities and on/off current ratios of > 10$^6$. The current densities and switching speeds are good enough to allow consideration of these devices in practical large-area electronic circuits.
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DOI：
10.1126/science.268.5208.270
被引量：
年份：
1995
掌桥科研
万方医学
Semantic Scholar
dx.doi.org
Europe PMC
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