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DarkSERS SIGNED

Harvesting dark plasmons for surface-enhanced Raman scattering

Total Cost €

EC-Contrib. €

Partnership

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DarkSERS project word cloud

Explore the words cloud of the DarkSERS project. It provides you a very rough idea of what is the project "DarkSERS" about.

phonon science plasmons unlocks couple scattering intense exploits orders light storing dark analytics oscillations vibrational ultimately radiation excitation eigenmode near absorption classified confined scatter decay prevents energy fundamental mean lasing optoelectronic matched polarization absorb induce metal arise nanoimaging allowed surface put nanoplasmonic magnitude pronounced vibration beam spectroscopy bright patterned photon depending intensity activates interaction par suppressed enhancement localized amplify dipole excitations nanomaterials raman varying nanostructures optical propagating give transporting routinely free collective enhanced profile narrow spectrally electromagnetic beams emission coupling superior modes desirable radiative vibrations resonances electrons harvest excite

Project "DarkSERS" data sheet

The following table provides information about the project.

Coordinator	FREIE UNIVERSITAET BERLIN Organization address address: KAISERSWERTHER STRASSE 16-18 city: BERLIN postcode: 14195 website: www.fu-berlin.de 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

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	FREIE UNIVERSITAET BERLIN FREIE UNIVERSITAET BERLIN Organization address address: KAISERSWERTHER STRASSE 16-18 city: BERLIN postcode: 14195 website: www.fu-berlin.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (BERLIN)	coordinator	2˙299˙506.00

Map

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.

Deliverables

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.

Publications

List of publications.
year	authors and title	journal	last update
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 HÃ¶flich, 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 HÃ¶ing, 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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