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Graphene doping and texturing in efficient electrodes for organic solar cells

Objective

Organic semiconductor solar cells are a promising route to scalable, economically viable, energy conversion technologies due to the potential for development of low-cost, flexible, large-area cells and modules.
In order to achieve the goal of obtaining efficient bulk heterojunction solar cells (BHJ-SCs), graphene electrodes have been recently proposed as a promising candidate. Research is however at the very beginning, so that if graphene will manage to accomplish this task still has to be proved.
In particular, many questions remains open like the degree of interaction of graphene with the polymeric layer, which could degrade the outstanding graphene electron conductivity, as well as the graphene/polymer electron affinity, which plays an important role in the overalls solar cell efficiency. Furthermore, up to now no analysis on light management improvements induced by structuring graphene as photonic crystal for light trapping in BHJ-SC has been reported.
The GO-NEXTS project, will focus its attention on new kind of electrodes based on doped, textured (ie 3D) graphene electrodes, in order to increase the overall efficiency and performance of bulk heterojunction solar cells. To our knowledge, this represents the first proposal to enhance light trapping in a solar cell by structuring one or more graphene contact electrode(s) to act as photonic crystal(s).
The project will leverage the combination of two different fabrication processes, and in particular the doping of the graphene, to obtain semi-transparent electrodes as well as the texturing of the electrodes. This approach, which has never been proposed before, represents a high-risk, high-impact approach. If successful, it should lead to improvements in solar cell efficiency by up to 14%. Furthermore, all the technologies proposed are suitable for large area realization paving the way for a scalable, economic fabrication technologies on low-cost flexible substrates.

Call for proposal

FP7-ENERGY-2012-1-2STAGE
See other projects for this call

Coordinator

UNIVERSITA DEGLI STUDI DI ROMA TOR VERGATA
Address
Via Cracovia 50
00133 Roma
Italy
Activity type
Higher or Secondary Education Establishments
EU contribution
€ 435 490
Administrative Contact
Renato Lauro (Prof.)

Participants (4)

QUANTAVIS SRL
Italy
EU contribution
€ 338 902
Address
Via Dei Pensieri 60
57128 Livorno
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Gianluca Fiori (Dr.)
GESELLSCHAFT FUR ANGEWANDTE MIKRO UND OPTOELEKTRONIK MIT BESCHRANKTERHAFTUNG AMO GMBH
Germany
EU contribution
€ 460 920
Address
Otto Blumenthal Strasse
52074 Aachen
Activity type
Other
Administrative Contact
Kerstin Bergerhoff
UNIVERSITY COLLEGE CORK - NATIONAL UNIVERSITY OF IRELAND, CORK
Ireland
EU contribution
€ 515 066
Address
Western Road
T12 YN60 Cork
Activity type
Higher or Secondary Education Establishments
Administrative Contact
Conor Delaney (Mr.)
TECHNISCHE UNIVERSITAET MUENCHEN
Germany
EU contribution
€ 337 620
Address
Arcisstrasse 21
80333 Muenchen
Activity type
Higher or Secondary Education Establishments
Administrative Contact
Katrin Hörmann (Ms.)