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<strong>Effect of MoO3 in the cathode buffer layer on the behaviour of layered organic solar cells</strong>

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Title Statement <strong>Effect of MoO3 in the cathode buffer layer on the behaviour of layered organic solar cells</strong>
 
Added Entry - Uncontrolled Name El Assad Zemallach Ouari, Kadda
El Jouad, Zouhair
Benchouk, Keireddine
Kouskoussa, Belkacem
Cattin, Linda
Makha, Mohammed
Khelil, Abdelbacet
Morsli, Mustapha
Addou, Mohammed
Bernède, Jean christian ; University of Nantes
Hassan II Academy of Science and Technology (Morocco).
 
Uncontrolled Index Term classical and quantum physics
Interfaces; Organic compounds; Oxides; Vacuum deposition; Ageing, Electrical properties
 
Summary, etc. <strong>The behaviour of small-molecule organic solar cells based on copper-phthalocyanine/fullerene with different cathode buffer layer is investigated as a function of air exposure duration. The effect of MoO<sub>3</sub> on the properties of photovoltaic solar cells (OPVCs) when it is introduced in the cathode buffer layer (CBL), has been studied. Photovoltaic performances were measured as a function of time of air exposure. During the first days of air exposure, the efficiency of the OPVCs with MoO<sub>3</sub> in their CBL increases significantly, while it decreases immediately after air exposure in the case of reference OPVCs, i.e. without MoO<sub>3</sub> in the CBL. Nevertheless, the lifetime of the OPVCs with MoO<sub>3</sub> in their CBL is around 60 days, while it is only 10 days in the case of reference OPVCs. The initial increase of the OPVC with MoO<sub>3</sub> in their CBL is attributed to the slow decrease of the work function of MoO<sub>3</sub> due to progressive contamination. Then, the progressive degradation of the OPVCs efficiency is due to water vapour and oxygen contamination of the organic layers. The use of double CBL, Alq<sub>3</sub>/MoO<sub>3</sub>, allows to interrupt the growth of pinholes, defects and increases the path of permeating gas. Also it can prevent the contamination of the organic layer by Al. All this results in significant increase of the lifetime of the OPVCs.</strong>
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2015-06-22 15:01:35
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJPAP/article/view/6479
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 52, ##issue.no## 12 (2014): Indian Journal of Pure & Applied Physics
 
Language Note en
 
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