Applied Physics Letters · 2006 · 113 citations · 19 references
EngineeringElectrical EngineeringMaterials ScienceElectronic MaterialsSemiconductor DevicesSemiconductor MaterialsLight-emitting DiodesNanoelectronicsNanowiresSemiconductor Device MaterialsSemiconductor NanomaterialsSemiconductor PhysicsDeep-level DefectsElectroluminescenceLight-emitting DevicesNanowire HeterojunctionsNanowire Light-emitting DiodesSemiconductor NanostructuresSemiconductor NanowiresSubthreshold Swing
High quality n-type CdS nanobelts (NBs) were synthesized via an in situ indium doping chemical vapor deposition method and fabricated into field effect transistors (FETs). The electron concentrations and mobilities of these CdS NBs are around (1.0×1016–3.0×1017)∕cm3 and 100–350cm2∕Vs, respectively. An on-off ratio greater than 108 and a subthreshold swing as small as 65mV∕decade are obtained at room temperature, which give the best performance of CdS nanowire/nanobelt FETs reported so far. n-type CdS NB∕p+-Si heterojunction light emitting diodes were fabricated. Their electroluminescence spectra are dominated by an intense sharp band-edge emission and free from deep-level defect emissions.
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Nanobelts of Semiconducting Oxides
Zhengwei Pan, Z. R. Dai, Zhong Lin Wang · Science · 2001 · 5.8K citations
Natural Sciences, Materials Engineering, Materials Science +17
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