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

Wei Yu; Jing Yu; Wanbing Lu; Yalan Bian; Chunsheng Wang; Guangsheng Fu

doi:10.1117/12.804354

18 November 2008 Plasmon-enhanced luminescence from nanocrystalline SiC films through adjusting spacer layer thickness

Wei Yu, Jing Yu, Wanbing Lu, Yalan Bian, Chunsheng Wang, Guangsheng Fu

Proceedings Volume 7135, Optoelectronic Materials and Devices III; 71354E (2008) https://doi.org/10.1117/12.804354
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

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.

Citation Download Citation

Wei Yu, Jing Yu, Wanbing Lu, Yalan Bian, Chunsheng Wang, and Guangsheng Fu "Plasmon-enhanced luminescence from nanocrystalline SiC films through adjusting spacer layer thickness", Proc. SPIE 7135, Optoelectronic Materials and Devices III, 71354E (18 November 2008); https://doi.org/10.1117/12.804354

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