Significant enhancement of the power conversion efficiency for organic photovoltaic cells due to a P3HT pillar layer containing ZnSe quantum dots

Optics Express
Dae Hun KimSang-Wook Kim

Abstract

High-efficiency organic photovoltaic (OPV) cells utilizing a poly(3-hexylthiophene) (P3HT) pillar layer containing ZnSe quantum dots (QDs) were fabricated by using a mixed solution method. Scanning electron microscopy and high-resolution transmission electron microscopy images showed that the ZnSe QDs were dispersed in the P3HT layer. The power conversion efficiency of the OPV cells with a P3HT pillar layer containing ZnSe QDs was as much as 100% higher than that of the OPV cells with a planar layer due to an enhancement of the photon-harvesting ability of the congregated P3HT particles containing ZnSe QDs and to an increase of the interfacial region for efficient charge transport.

References

Feb 12, 2009·ACS Nano·Changfeng WuJason McNeill
Feb 18, 2009·The Journal of Physical Chemistry. C, Nanomaterials and Interfaces·Changfeng WuJason McNeill
Jul 21, 2010·Nanoscale·Dönüs Tuncel, Hilmi Volkan Demir
Feb 3, 2011·Advanced Materials·Kwan H LeePaul L Burn
Apr 22, 2011·Advanced Materials·Jonas WeickertLukas Schmidt-Mende

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Citations

May 9, 2012·Optics Express·Kwang-Sup LeeChee Hing Tan
Jul 3, 2013·ACS Applied Materials & Interfaces·Athanasios MilionisAthanassia Athanassiou

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