4.7 Article

Photophysical Properties of the PVK-MEH-PPV/PCBM Composite for Organic Solar Cells Application: Synthesis, Characterization and Computational Study

期刊

POLYMERS
卷 13, 期 17, 页码 -

出版社

MDPI
DOI: 10.3390/polym13172902

关键词

composite; materials science; optical properties; DFT calculations; charge transfer

资金

  1. Deanship of Scientific Research at Princess Nourah Bint Abdulrahman University through the Fast-Track Research Funding Program

向作者/读者索取更多资源

The physical and chemical properties of a new organic composite containing PVK-MEH-PPV bi-block copolymer and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) were examined through functionalization and charge transfer analysis. The interaction between donor and acceptor, as well as the effect of PCBM on the optical properties of the PVK-MEH-PPV matrix, were studied. Experimental and theoretical results suggested that the composite could be used as an active layer for organic solar cells.
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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