Abstract
We report a new way to enhance the photoluminescence of porous silicon(PS) in red light(625 nm) under room temperature
by doping the rare earth(Yb) in porous silicon with distributed Bragg reflection (DBR) structures. It is observed that a
suitable concentration of Yb3+ ions could enhance the photoluminescence of porous silicon effectively. Compared with the
single-layer porous silicon film, the enhancement of Yb-doped PS photoluminescence from porous silicon DBR structures is
higher. RE doping and DBR structures could double strengthen PS photoluminescence..
Keywords
DBR structures, Photoluminescence, Porous silicon, Rare earth.
Citation
DIFEI SUN, ZHENHONG JIA, XIAOYI LV, Enhanced photoluminescence from porous silicon by rare earth doping and DBR structures, Optoelectronics and Advanced Materials - Rapid Communications, 10, 9-10, September-October 2016, pp.689-692 (2016).
Submitted at: June 3, 2015
Accepted at: Sept. 29, 2016