Abstract
The paper deals with the investigation of the electrical conductivity, the electron and the light emission in the system involving gold islands and organic stearon molecules (C17H35)2 CO. The conduction current-voltage curve acquires a non-monotone character: there appears a section of the voltage controlled negative resistance (VCNR). The current-voltage characteristics of the conduction current strongly change in passing from the constant operation mode to the alternating one. The growth of the conductivity in the alternating mode may occur owing to the contribution of additional channels and to reduction of the Coulomb blockade. The highest light intensity is observed in the VCNR region. The light intensity changes in this region correlate with the changes in the conduction current. The light emission in the VCNR region from organic molecules may be excited by hot electrons.
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