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Schematic diagram of a heterostructured LED and the cross-sectional TEM image of the diode.
Current-voltage characteristics of heterostructured diodes. Top left inset shows the Ohmic characteristic of contact. Bottom right inset is the bias scheme of the diodes.
Room temperature EL spectra with different current injections and room temperature PL spectrum for the (a) diode, and (b) diode. Insets show the EL photos of the diodes in dark at the current injection of .
Energy band diagrams of the isotype diodes under (a) thermal equilibrium and (b) positive bias at Si side, and diodes under (c) thermal equilibrium and (d) positive bias at Si side.
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