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Novel applications based on organic biluminescence

Total Cost €


EC-Contrib. €






 BILUM project word cloud

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

systematic    calculations    molecules    interactions    relationships    suppression    carefully    contrast    channels    bilumophores    nanosecond    property    led    biluminescence    broadband    basic    serve    efforts    photonic    materials    inorganic    unexplored    virtually    localized    dual    point    single    store    quantum    introduce    chemical    temperature    triplet    unlikely    emission    broken    good    internal    room    photons    phenomenon    synthesis    semiconducting    energy    reference    spin    dynamics    conservation    time    science    fluorescence    once    emitters    conventional    exchange    singlet    organic    semiconductors    employ    stark    excitation    lived    discovery    structure    optical    unlocked    excitations    screening    engineering    millisecond    fundamental    outcompetes    molecular    energetically    ultra    sensing    focussed    tested    persistent    recombination    curiosity    scenarios    efficient    vastly    luminescent    limiting    origin    bilum    excited    radiative    central    phosphorescence    ground   

Project "BILUM" data sheet

The following table provides information about the project.


Organization address
postcode: 1069

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]
 Project website
 Total cost 1˙462˙500 €
 EC max contribution 1˙462˙500 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-04-01   to  2021-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Organic semiconducting molecules often make for very good luminescent materials. Fundamental excitations are localized on single molecules, which is in stark contrast to inorganic semiconductors, such that exchange interactions lead to energetically distinct singlet and triplet states. The singlet-excited state is the origin of conventional fluorescence. However, once an excitation is in the molecular triplet state, emission of photons is very unlikely, because spin conservation needs to be broken. Here, non-radiative recombination outcompetes the radiative. Recent research efforts led to the discovery of highly efficient biluminescence. Here, in addition to the fluorescence from the singlet state, the phosphorescence (triplet state emission) is unlocked by suppression of non-radiative channels at room temperature. The dynamics of both states is vastly different with nanosecond fluorescence and millisecond phosphorescence. If both channels are highly luminescent, then there is no room for loss channels. Within BILUM, the virtually unexplored phenomenon of biluminescence will be the central point: On the basic science side, efforts will be focussed on the detailed understanding of structure-property relationships that are key for efficient dual state emission. At the same time, with a curiosity driven engineering approach, known bilumophores will be carefully tested in different scenarios to set the ground for future applications. Biluminescence has the potential to access non-radiative triplet states that are in many cases system limiting, to serve as ultra-broadband emitters, to introduce persistent (ultra long-lived) emission, to store photonic energy, and to allow optical sensing with internal reference emission – all on the molecular level. New bilumophores will be identified through systematic screening that will employ quantum chemical calculations and developed through organic synthesis.


year authors and title journal last update
List of publications.
2015 Caterin Salas Redondo, Sebastian Reineke
Simultaneous fluorescence and phosphorescence from organic molecules
published pages: , ISSN: 1818-2259, DOI: 10.1117/2.1201508.006066
SPIE Newsroom 2019-10-09
2018 Felix Fries, Markus Fröbel, Pen Yiao Ang, Simone Lenk, Sebastian Reineke
84-3: Invited Paper: Organic Light-Emitting Diode Beam Shaping: Pixel Design for Variable Angular Emission Profile Control
published pages: 1143-1146, ISSN: 0097-966X, DOI: 10.1002/sdtp.12108
SID Symposium Digest of Technical Papers 49/1 2019-10-09
2018 Felix Fries, Markus Fröbel, Pen Yiao Ang, Simone Lenk, Sebastian Reineke
Real-time beam shaping without additional optical elements
published pages: , ISSN: 2047-7538, DOI: 10.1038/s41377-018-0014-0
Light: Science & Applications 7/1 2019-10-08
2019 Max Gmelch, Heidi Thomas, Felix Fries, Sebastian Reineke
Programmable transparent organic luminescent tags
published pages: eaau7310, ISSN: 2375-2548, DOI: 10.1126/sciadv.aau7310
Science Advances 5/2 2019-08-05
2019 Marine Louis, Heidi Thomas, Max Gmelch, Anna Haft, Felix Fries, Sebastian Reineke
Blue‐Light‐Absorbing Thin Films Showing Ultralong Room‐Temperature Phosphorescence
published pages: 1807887, ISSN: 0935-9648, DOI: 10.1002/adma.201807887
Advanced Materials 31/12 2019-08-05
2017 Caterin Salas Redondo, Paul Kleine, Karla Roszeitis, Tim Achenbach, Martin Kroll, Michael Thomschke, Sebastian Reineke
Interplay of Fluorescence and Phosphorescence in Organic Biluminescent Emitters
published pages: 14946-14953, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.7b04529
The Journal of Physical Chemistry C 121/27 2019-06-19
2018 Joan Ràfols-Ribé, Paul-Anton Will, Christian Hänisch, Marta Gonzalez-Silveira, Simone Lenk, Javier Rodríguez-Viejo, Sebastian Reineke
High-performance organic light-emitting diodes comprising ultrastable glass layers
published pages: eaar8332, ISSN: 2375-2548, DOI: 10.1126/sciadv.aar8332
Science Advances 4/5 2019-08-05

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