摘要
对掺氧后a-SiN_xO_y发光机制与光生载流子的复合动力学过程进行深入研究,从而证实了a-SiN_xO_y薄膜N-Si-O缺陷态发光机制。在p-n结LED器件研究中也发现,EL来自于电注入的载流子在N-Si-O缺陷态上的复合发光,并且N-Si-O缺陷态也作为载流子注入通道,是p-n异质结高效发光的重要原因。此外,我们研究了N-Si-O缺陷态在硅氮氧薄膜光增益特性的作用。
引文
[1]Pengzhan Zhang,Kunji Chen,Zewen Lin,et al.,The role of N-Si-O bonding configurations in tunable photoluminescence of oxygenated amorphous silicon nitride films,Appl.Phys.Lett.,2015,106,231103.
[2]Pengzhan Zhang,Kunji Chen,Zewen Lin,et al.,Dynamics of high quantum efficiency photoluminescence from N-Si-O bonding states in oxygenated amorphous silicon nitride films,Appl.Phys.Lett.,2016,108,111103.
[3]Zewen Lin,Kunji Chen,Pengzhan Zhang,et al.,Improved power efficiency in phosphorus doped n-a-Si Nx Oy/p-Si heterojunction light emitting diode,Appl.Phys.Lett.,2017,110,081109.