Study of the pore filling fraction of carbazole-based hole-transporting materials in solid-state dye-sensitized solar cells

Marwa Ben Manaa; Safia Benhattab; Bruno Schmaltz; Nicolas Berton; Johann Bouclé; Abdelmottaleb Ben Lamine; François Tran Van

Study of the pore filling fraction of carbazole-based hole-transporting materials in solid-state dye-sensitized solar cells

Marwa Ben Manaa ¹ Safia Benhattab ¹ Bruno Schmaltz ¹ Nicolas Berton ¹ Johann Bouclé ² Abdelmottaleb Ben Lamine ³ François Tran Van ¹

1 PCM2E - Physico-chimie des Matériaux et des Electrolytes pour l'Energie

2 XLIM-RFEI - RF-ELITE : RF-Electronique Imprimée pour les Télécommunications et l'Energie

XLIM - XLIM : RFEI

3 Unité de Recherche de Physique Quantique, Département de Physique,

Abstract : Carbazole-based molecular glasses have emerged as a promising alternative to the widely used hole-transporting materials (HTM) spiro-OMeTAD in solid-state dye-sensitized solar cells (DSSCs). The pore filling fraction (PFF) of the mesoporous TiO2 layer by the HTM appears as a key parameter determining the final efficiency of a DSSC. In this work, the pore-filling properties of a family of carbazole-based HTMs are investigated for the first time and the photovoltaic behavior of DSSC devices (fabricated using the D102 dye) is discussed in light of the present findings. It is found that N-aryl substituted 3,6-bis(diphenylaminyl)-carbazole derivatives exhibit relatively low PFF of ca. 60%. Methoxy groups on the diphenylamine moieties have little influence on the PFF, indicating that the strong enhancement in power conversion efficiency (PCE) is not related to an improved filling of the pores by the HTM. N-alkylated HTMs lead to higher PFF, increasing with the alkyl chain length, up to 78%.

Type de document :

Article dans une revue

Mediterranean Journal of Chemistry, 2016, 5 (6), pp.599-604

Domaine :

Sciences de l'ingénieur [physics] / Micro et nanotechnologies/Microélectronique

Physique [physics] / Physique [physics] / Optique [physics.optics]

Physique [physics] / Matière Condensée [cond-mat] / Science des matériaux [cond-mat.mtrl-sci]

Liste complète des métadonnées

https://hal-unilim.archives-ouvertes.fr/hal-01343015
Contributeur : Johann Bouclé <>
Soumis le : jeudi 7 juillet 2016 - 12:14:23
Dernière modification le : mercredi 21 mars 2018 - 10:54:08

Study of the pore filling fraction of carbazole-based hole-transporting materials in solid-state dye-sensitized solar cells

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Study of the pore filling fraction of carbazole-based hole-transporting materials in solid-state dye-sensitized solar cells

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