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

A. Lakhdar Toumi (), A. Khelil, J. C. Bernède, Y. Mouchaal, A. Djafri, K. Toubal, N. Hellal and L. Cattin
Additional contact information
A. Lakhdar Toumi: Université d'Oran 1 — Ahmed Ben Bella, LPCM2E, BP 1524 ELM Naouer 31000 Oran, Algérie
A. Khelil: Université d'Oran 1 — Ahmed Ben Bella, LPCM2E, BP 1524 ELM Naouer 31000 Oran, Algérie
J. C. Bernède: Université de Nantes, MOLTECH-Anjou, CNRS, UMR 6200, 2 rue de la Houssinière, BP 92208, Nantes, 44322, France
Y. Mouchaal: Université d'Oran 1 — Ahmed Ben Bella, LPCM2E, BP 1524 ELM Naouer 31000 Oran, Algérie
A. Djafri: Université d'Oran 1 — Ahmed Ben Bella, LSOA, BP 1524 ELM Naouer 31000 Oran, Algérie
K. Toubal: Université d'Oran 1 — Ahmed Ben Bella, LSOA, BP 1524 ELM Naouer 31000 Oran, Algérie
N. Hellal: Université de Ferhat Abbas, El Maâbouda, route de Bejaia 19000 Sétif, Algérie
L. Cattin: Université de Nantes, Institut des Matériaux Jean Rouxel (IMN), CNRS, UMR 6502, 2 rue de la Houssinière, BP 92208, Nantes, 44322, France

Surface Review and Letters (SRL), 2015, vol. 22, issue 02, 1-8

Abstract: 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%.

Keywords: Thiazol derivative; organic solar cell; new electron donor; planar heterojunction; multi-heterojunction (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1142/S0218625X15500250

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