Spectral Distortions in Zinc-based Metal-Enhanced Fluorescence Underpinned by Fast and Slow Electronic Transitions.

Rachael Knoblauch, Hilla Ben Hamo, Robert Marks, Chris D Geddes

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In one paragraph

Article in Chemical physics letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Fluorophore-Induced Plasmonic Current Generation from Aluminum Nanoparticle Films.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023
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5 · Who and what money

Authors and funding

4 authors.

Rachael KnoblauchInstitute of Fluorescence and Department of Chemistry and Biochemistry, University of Maryland Baltimore County, 701 East Pratt Street, Baltimore, Maryland 21202, USA.

Hilla Ben HamoDepartment of Biotechnology Engineering, Faculty of Engineering Sciences, Ben-Gurion University of the Negev, Be'er Sheva, Israel.

Robert MarksDepartment of Biotechnology Engineering, Faculty of Engineering Sciences, Ben-Gurion University of the Negev, Be'er Sheva, Israel.

Chris D GeddesInstitute of Fluorescence and Department of Chemistry and Biochemistry, University of Maryland Baltimore County, 701 East Pratt Street, Baltimore, Maryland 21202, USA.

Funding

Graduate Training at The Chemistry Biology InterfaceT32GM066706 · NIGMS · UNIVERSITY OF MARYLAND BALTIMORE COUNTY · PI SELEY-RADTKE, KATHERINE L, SMITH, AARON T · 2004 to 2023

$3.3M

NIGMS NIH HHS T32 GM066706

6 · The paper itself

Abstract

Metal-enhanced fluorescence (MEF) is a promising technology with impact in diagnostics, electronics, and sensing. Despite investigation into MEF fundamentals, some properties remain unresearched, notably spectral distortion. To date, publications have described its underpinnings, yet comprehensive analysis is needed, as presented recently for silver films. Herein we expand this description using zinc substrates (ZnNPs). Significant red-edge and blue-edge distortions are reported using Rose Bengal. Radiative decay rate modification is identified as key in amplifying fast/slow electronic transitions by the enhanced emission mechanism. Furthermore, we identify distortion in published studies, bolstering our thinking that spectral distortion is an intrinsic property of MEF.

Indexed as

metal-enhanced fluorescenceplasmonic amplificationradiative decay rateRose Bengalspectral distortionspectral profile modificationzinc nanomaterials

Identifiers

PMID32194291

DOI10.1016/j.cplett.2020.137212

PMCPMC7082079

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