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Toumi, L. A., Khelil, A., Bernede, J. C., Mouchaal, Y., Djafri, A., Toubal, K., Hellal, N. & Cattin, L. (2015) Optimum Compromise Between Optical Absorption and Electrical Property of the Planar Multi-Heterojunction Organic Solar Cells Based with New Thiazol Derivative, the (2-Thioxo-3-N-(2-Methoxyphenyl) Thiazolidin-4-One), as Electron Donor. Surf. Rev. Lett. 22 1550025. 
Added by: Laurent Cournède (2016-03-10 18:36:42)
Type de référence: Article
DOI: 10.1142/S0218625X15500250
Numéro d'identification (ISBN etc.): 0218-625X
Clé BibTeX: Toumi2015
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Catégories: CESES
Mots-clés: Anode, buffer layer, exciton-blocking layer, multiheterojunction, new electron donor, oligothiophene, organic solar cell, photovoltaic cells, planar heterojunction, Stability, Thiazol derivative
Créateurs: Bernede, Cattin, Djafri, Hellal, Khelil, Mouchaal, Toubal, Toumi
Collection: Surf. Rev. Lett.
Consultations : 2/593
Indice de consultation : 4%
Indice de popularité : 1%
The synthesis of a new thiazol derivative, the (2-thioxo-3-N-(2-methoxyphenyl) thiazolidin-4-one) (called TH-2) is described. After characterization of the TH-2, the cyclic voltammetry study coupled with optical absorbance measurements show that its LUMO and HOMO are -3.5 and -5.5 respectively. Then the TH-2 is used as electron donor (ED) in organic solar cells (OSCs). The anode buffer layer being CuI the devices are based on the planar heterojunction TH-2/fullerene. Homogeneous amorphous films of TH-2 are obtained when it is deposited onto CuI. For an optimum TH-2 thickness of 20 nm, a power conversion efficiency of 0.42\% is obtained. Then, in order to broaden the absorption range of the OSCs, it is coupled with the tetraphenyl-dibenzoperiflanthene, whose band structure matches the band structure of TH-2. Such new multilayer structure allows achieving a power conversion efficiency of 0.49\%.
Added by: Laurent Cournède  
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