Fl. Zhang et al., IMPROVEMENT OF ELECTROLUMINESCENCE PROPERTIES OF LIGHT-EMITTING POROUS SILICON, Semiconductor science and technology, 8(11), 1993, pp. 2015-2017
By applying some post-pore-forming treatments, we have achieved solid
state electroluminescence of an Au/PS/Si structure. Stable visible lig
ht emission is observed under forward bias with a threshold voltage an
d current density down to 6 V and 30 mA cm-2.