Novel cobalt complexes as electron donor in solar cell
Référence
03575-02
Mots-clés
Statut des brevets
French priority patent application FR1152641 filed on March 3, 2011 and entitled “Utilisation de complexes de cobalt pour la préparation d’une couche active dans une cellule photovoltaïque, et cellule photovoltaïque correspondante”
Inventeurs
Corinne AUBERT
Guillaume BERTRAND
Denis FICHOU
Vincent GANDON
Max MALACRIA
Ludovic TORTECH
Statut commercial
Exclusive or non-exclusive license
Laboratoire
Institut Parisien de Chimie Moléculaire (IPCM, UMR7201), Paris, France
Description
CONTEXT
There are many organic compounds usable as electron donor known in the state of the art for the development of organic electronic devices such as photovoltaic devices.
However, most of these compounds do not give full satisfaction as their performances in terms of efficiency are less than that of the cells containing silicon. There thus exists a need for compounds having a cost price lower than silicon and being able to be used effectively as electron donor for said devices.
TECHNICAL DESCRIPTION
In the present work, the inventors have discovered that certain cobalt complexes present excellent properties of donor of electrons
Said compounds have the following formulas:
Example of compounds:
DEVELOPMENT STAGE
Organic solar cell comprising compounds as described above have been assessed on a laboratory scale.
BENEFITS
- This process is simple, reproducible and inexpensive to implement (yield: 65 to 95%);
- Compounds claimed are very good semiconductors
INDUSTRIAL APPLICATIONS
Present organic electron donor can be used in heterojunction-based organic solar cell in combination with an electrons acceptor.
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