LIFORGANICPV

Investigation of interfacial structure of buried inorganic-organic interfaces in organic photovoltaics -- LiF at organic-cathode interface

Coordinatore	MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.    more  Organization address address: Hofgartenstrasse 8 city: MUENCHEN postcode: 80539 contact info Titolo: Dr. Nome: Richard Cognome: Segar Email: send email Telefono: -6894136 Fax: -6894074
Nazionalità Coordinatore	Germany [DE]
Totale costo	159˙828 €
EC contributo	159˙828 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2007-4-2-IIF
Funding Scheme	MC-IIF
Anno di inizio	2008
Periodo (anno-mese-giorno)	2008-07-01   -   2010-06-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.  Organization address address: Hofgartenstrasse 8 city: MUENCHEN postcode: 80539 contact info Titolo: Dr. Nome: Richard Cognome: Segar Email: send email Telefono: -6894136 Fax: -6894074	DE (MUENCHEN)	coordinator	0.00

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 Obiettivo del progetto (Objective)

'In order to improve the efficiency of organic microelectronic devices, there has to be a better understanding of both the connection between the crystalline structure and device performance, and the role that the organic/organic and inorganic/organic interfaces play in determining that structure. The main objective of the proposed research project is understanding the role of structure in solar cell efficiency and using control of that structure to produce a device with improved efficiency. In order to reach that goal, the work is aimed at establishing the structure of LiF on the surface of an ordered organic thin film, exploring the impact of deposition of LiF on the order of the underlying organic molecule, and relating any changes in structure near the interface to device performance. The intention would be to produce a small molecule solar cell with improved power efficiency achieved by modification of the organic/inorganic interfacial order.'

Introduzione (Teaser)

Researchers in Germany are aiming to create a solar cell device based on small molecules to improve the efficiency of organic microelectronic devices.

Descrizione progetto (Article)

Scientists have made the first steps towards improving the efficiency of organic microelectronic devices by gaining a better understanding of the role of structure in solar cell efficiency, and of how to control that structure to produce a device with improved efficiency.

Under the aegis of the LIFORGANICPV project, the researchers set out to produce a solar cell device based on small molecules for which the impact of the interfacial ordering can be understood and the efficiency modified by changes to that ordering. They wanted to achieve this by establishing the structure of lithium fluoride (LiF) on the surface of an ordered organic thin film and exploring the impact LiF deposition on the order of the underlying organic molecule, before relating any changes in structure near the interface to the performance of the device.

The scientists said that over the course of the project, they managed to 'produce a workhorse device structure, modify the interfacial structure and control the device performance', gaining 'insights into how engineering of those interfaces can be used in the next generation photovoltaic devices'.

Ref: Turak et al. Nanoscale Engineering of Exciton Dissociating Interfaces in Organic Photovoltaics Journal of Nano Research v14 p125 (2011)