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Harvesting dark plasmons for surface-enhanced Raman scattering

Total Cost €


EC-Contrib. €






Project "DarkSERS" data sheet

The following table provides information about the project.


Organization address
city: BERLIN
postcode: 14195

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Total cost 2˙299˙506 €
 EC max contribution 2˙299˙506 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-COG
 Funding Scheme ERC-COG
 Starting year 2018
 Duration (year-month-day) from 2018-04-01   to  2023-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FREIE UNIVERSITAET BERLIN DE (BERLIN) coordinator 2˙299˙506.00


 Project objective

Metal nanostructures show pronounced electromagnetic resonances that arise from localized surface plasmons. These collective oscillations of free electrons in the metal give rise to confined electromagnetic near fields. Surface-enhanced spectroscopy exploits the near-field intensity to enhance the optical response of nanomaterials by many orders of magnitude.

Plasmons are classified as bright and dark depending on their interaction with far-field radiation. Bright modes are dipole-allowed excitations that absorb and scatter light. Dark modes are resonances of the electromagnetic near field only that do not couple to propagating modes. The suppressed photon emission of dark plasmons makes their resonances spectrally narrow and intense, which is highly desirable for enhanced spectroscopy as well as storing and transporting electromagnetic energy in nanostructures. The suppressed absorption, however, prevents us from routinely exploiting dark modes in nanoplasmonic systems.

I propose using spatially patterned light beams to excite dark plasmons with far-field radiation. By this I mean a beam profile with varying polarization and intensity that will be matched to the dark electromagnetic eigenmode. My approach activates the excitation of dark modes, while their radiative decay remains suppressed. I will show how to harvest dark modes for surface-enhanced Raman scattering providing superior intensity and an enhancement that is tailored to a specific vibration. Another feature of dark modes is their strong coupling to the vibrations of nanostructures. I will use this to amplify vibrational modes and, ultimately, induce phonon lasing.

The proposed research aims at an enabling technology that unlocks a novel range of nanoplasmonic properties. It will put dark plasmons on par with the well-recognized bright modes to be used in fundamental science and for applications in analytics, optoelectronic, and nanoimaging.


List of deliverables.
Data Management Plan Open Research Data Pilot 2019-05-08 12:09:41

Take a look to the deliverables list in detail:  detailed list of DarkSERS deliverables.


year authors and title journal last update
List of publications.
2018 Niclas S. Mueller, Stephanie Reich
Microscopic theory of optical absorption in graphene enhanced by lattices of plasmonic nanoparticles
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.97.235417
Physical Review B 97/23 2020-02-05
2019 Niclas S. Mueller, Stephanie Reich
Modeling Surface-Enhanced Spectroscopy With Perturbation Theory
published pages: , ISSN: 2296-2646, DOI: 10.3389/fchem.2019.00470
Frontiers in Chemistry 7 2020-02-05
2018 Niclas S. Mueller, Bruno G. M. Vieira, Florian Schulz, Patryk Kusch, Valerio Oddone, Eduardo B. Barros, Holger Lange, Stephanie Reich
Dark Interlayer Plasmons in Colloidal Gold Nanoparticle Bi- and Few-Layers
published pages: 3962-3969, ISSN: 2330-4022, DOI: 10.1021/acsphotonics.8b00898
ACS Photonics 5/10 2020-02-05
2018 Niclas S. Mueller, Sabrina Juergensen, Katja Höflich, Stephanie Reich, Patryk Kusch
Excitation-Tunable Tip-Enhanced Raman Spectroscopy
published pages: 28273-28279, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.8b10272
The Journal of Physical Chemistry C 122/49 2020-02-05
2019 Niclas S. Mueller, Bruno G. M. Vieira, Dominik Höing, Florian Schulz, Eduardo B. Barros, Holger Lange, Stephanie Reich
Direct optical excitation of dark plasmons for hot electron generation
published pages: 159-173, ISSN: 1359-6640, DOI: 10.1039/c8fd00149a
Faraday Discussions 214 2020-02-05
2019 Bruno G. M. Vieira, Niclas S. Mueller, Eduardo B. Barros, Stephanie Reich
Plasmonic Properties of Close-Packed Metallic Nanoparticle Mono- and Bilayers
published pages: 17951-17960, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.9b03859
The Journal of Physical Chemistry C 123/29 2020-02-05

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