Dual LSPR of Au/W18O49 heterostructures for upconversion enhancement and application of molecular detection

doi:10.1039/c9ta13466b

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	Dual LSPR of Au/W18O49 heterostructures for upconversion enhancement and application of molecular detection
	Y. Yang,Y. Cong,X. Lin,B. S. Cao,D. P. Dong,K. C. Liu,Y. Xiao,J. Y. Shang,Y. N. Bao,Y. Liu,G. Q. Fang,Y. Wang,Y. Q. Chen,J. H. Zhang and B. Dong
	2020
发表期刊	Journal of Materials Chemistry A
ISSN	2050-7488
卷号	8 期号:7 页码:4040-4048
摘要	A nano-heterostructure composed of the noble metal Au and the semiconductor W18O49 enhances the localized electric field due to the strong coupling of localized surface plasmon resonance (LSPR). The Au/W18O49 nano-heterostructures have been further explored to enhance the upconversion luminescence (UCL) of NaYF4:Yb,Er nanoparticles. An enhancement up to 1108-fold is achieved for the overall UCL intensity of Er3+, which is primarily due to the improvement of the excitation field and partly due to the coupling of LSPR with emission light. Finally, based on the intense UCL caused by the excellent synergetic LSPR, a dual detection method of qualitative before quantitative detection of rhodamine 6G (R6G) using SERS signal monitoring and fluorescence sensing is established. This novel detection method with a high sensitivity of 10(-11) M (100 aM), a good linear relationship and a wide concentration range of 10(-11) M to 10(-3) M can potentially be applied in accurate molecular detection.
DOI	10.1039/c9ta13466b
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收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64462
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. Yang,Y. Cong,X. Lin,B. S. Cao,D. P. Dong,K. C. Liu,Y. Xiao,J. Y. Shang,Y. N. Bao,Y. Liu,G. Q. Fang,Y. Wang,Y. Q. Chen,J. H. Zhang and B. Dong. Dual LSPR of Au/W18O49 heterostructures for upconversion enhancement and application of molecular detection[J]. Journal of Materials Chemistry A,2020,8(7):4040-4048.
APA	Y. Yang,Y. Cong,X. Lin,B. S. Cao,D. P. Dong,K. C. Liu,Y. Xiao,J. Y. Shang,Y. N. Bao,Y. Liu,G. Q. Fang,Y. Wang,Y. Q. Chen,J. H. Zhang and B. Dong.(2020).Dual LSPR of Au/W18O49 heterostructures for upconversion enhancement and application of molecular detection.Journal of Materials Chemistry A,8(7),4040-4048.
MLA	Y. Yang,Y. Cong,X. Lin,B. S. Cao,D. P. Dong,K. C. Liu,Y. Xiao,J. Y. Shang,Y. N. Bao,Y. Liu,G. Q. Fang,Y. Wang,Y. Q. Chen,J. H. Zhang and B. Dong."Dual LSPR of Au/W18O49 heterostructures for upconversion enhancement and application of molecular detection".Journal of Materials Chemistry A 8.7(2020):4040-4048.

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