Plasmon-enhanced luminescence from nanocrystalline SiC films through adjusting spacer layer thickness

摘要：

We report the photoluminescence enhancement of nc-SiC films by coating nanostructure Ag films and study the influences of surface plasmon on photoluminescence properties by varying spacer thickness. PL curves of the samples deposited with different thickness of α-SiNx present two PL peaks which are contributed to the interference in the films and surface plasmon resonance, respectively. The PL intensity of the sample coated with Ag film is quenched due to combination of Forster nonradiative process and coherent photonic mode reduction in nc-SiC films, while the PL intensity of the samples with inserted spacer α-SiNx is enhanced because of the surface plasmon resonance.

关键词： nanocrystalline SiC surface plasmon photoluminescence

作者: Wei Yu Jing Yu Wanbing Lu Yalan Bian Chunsheng Wang Guangsheng Fu

作者单位: College of Physics Science and Technology,Hebei University,Baoding,People’s Republic of China071002 College of Physics Science and Technology,Hebei University,Baoding,People’s Republic of China 071002

会议类型: 国际会议

会议名称: 2008亚太光通信会议(Asia-Pacific Optical Communications 2008)

会议地点: 杭州

会议语种:英文

在线出版日期: 2008-10-26（万方平台首次上网日期，不代表论文的发表时间）