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Updated: Oct 20, 2025
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Published on: February 27, 2017
Photophysical Properties of the PVK-MEH-PPV/PCBM Composite for Organic Solar Cells Application: Synthesis,
Faten Abbassi1, Mohamed Mbarek1, Maha Almoneef2
1Laboratoire de Recherche: Synthèse Asymétrique et Ingénierie Moléculaires des Matériaux Nouveaux Pour L'électroniques Organiques (LR18ES19) Faculté des Sciences de Monastir, Université de Monastir-Tunisie, Monastir 5000, Tunisia.
Abstract:
The physical and chemical properties of a new organic composite including PVK-MEH-PPV bi-block copolymer and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) were recorded. The functionalization and the charge transfer that occurs between donor and acceptor were examined and computed. In fact, the stationary and time-resolved photoluminescence properties were used to examine the effect of the PCBM on the optical properties of the PVK-MEH-PPV matrix. The photoluminescence quenching accompanied by faster PL decay confirmed the charge transfer and interaction process. The electrical and optoelectronic properties and the charge carriers' injection in the resulting composite were examined. The experimental conclusion was corroborated and confirmed by a calculation based on density functional theory (DFT). Hence, the combination of experimental and theoretical results indicated that the result composite can be applied as an active layer for organic solar cells.
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