Surface plasmon polariton enhanced fluorescence from quantum dots on nanostructured metal surfaces

Ehren Hwang; Christopher C. Davis; Igor I. Smolyaninov

doi:10.1117/12.824595

2 September 2009 Surface plasmon polariton enhanced fluorescence from quantum dots on nanostructured metal surfaces

Ehren Hwang, Christopher C. Davis, Igor I. Smolyaninov

Proceedings Volume 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V; 73950B (2009) https://doi.org/10.1117/12.824595
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

Surface plasmon polariton enhanced fluorescence from CdSe/ZnS quantum dots (QD) deposited onto patterned gold/PMMA substrates has been observed. Comparison of gold, chromium, and ITO substrates is used to verify restriction of enhancement effect to surface plasmon polariton supporting materials. Enhanced fluorescence is observed by using one dimensional gratings defined by electron beam lithography to provide phase matched coupling into surface plasmon polaritons on the metal film surface. Controlled variation of grating parameters is used to examine the dependence of this effect on the periodicity and shape of the coupling grating. Analysis of the results indicates that strong enhancement requires optimization of both grating periodicity and structure for specific wavelengths and materials.

Citation Download Citation

Ehren Hwang, Christopher C. Davis, and Igor I. Smolyaninov "Surface plasmon polariton enhanced fluorescence from quantum dots on nanostructured metal surfaces", Proc. SPIE 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V, 73950B (2 September 2009); https://doi.org/10.1117/12.824595

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