Light-Trapped Nanocavities for Ultraviolet Surface-Enhanced Raman Scattering

doi:10.1021/acs.jpcc.1c05175

CORC > 长春光学精密机械与物理研究所 > 中国科学院长春光学精密机械与物理研究所

	Light-Trapped Nanocavities for Ultraviolet Surface-Enhanced Raman Scattering
	Y. Zeng; R. Gao; J. Wang; T.-M. Shih; G. Sun; J. Lin; Y. He; J. Chen; D. Zhan; J. Zhu
刊名	Journal of Physical Chemistry C
	2021
卷号	125 期号:31 页码:17241-17247
ISSN号	19327447
DOI	10.1021/acs.jpcc.1c05175
英文摘要	The fabrication of surface-enhanced Raman scattering (SERS) substrates with large areas, high activities, desirable uniformities, and aggregated hot spots evenly distributed in the UV (ultraviolet) region has been regarded as a formidable task. In the present work, by means of elaborate structure designs and material selections, we have fabricated periodic light-trapped nanocavities that have overcome the abovementioned difficulties. Specifically, a great amount of electromagnetic energy has been localized in nanocavities due to repeated reflections of the trapped incident light, thus re-amplifying abundant hot spots of the aluminum film. At an excitation wavelength of 325 nm, the acquisition of ultrahigh SERS enhancement factors (106) has been successfully achieved, and signal intensities are uniformly distributed after repeated measurements. In the originally weak UV region, our nanostructure design and its associated mechanism may provide a guide for future SERS-related research. 2021 American Chemical Society.
URL标识	查看原文
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/65386]
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Zeng,R. Gao,J. Wang,et al. Light-Trapped Nanocavities for Ultraviolet Surface-Enhanced Raman Scattering[J]. Journal of Physical Chemistry C,2021,125(31):17241-17247.
APA	Y. Zeng.,R. Gao.,J. Wang.,T.-M. Shih.,G. Sun.,...&F. Jiao and Z. Yang.(2021).Light-Trapped Nanocavities for Ultraviolet Surface-Enhanced Raman Scattering.Journal of Physical Chemistry C,125(31),17241-17247.
MLA	Y. Zeng,et al."Light-Trapped Nanocavities for Ultraviolet Surface-Enhanced Raman Scattering".Journal of Physical Chemistry C 125.31(2021):17241-17247.