Issue 2, 2015

Investigation of the localized surface plasmon effect from Au nanoparticles in ZnO nanorods for enhancing the performance of polymer solar cells

Abstract

The organic polymer solar cell is recognized as one of the most competitive technologies of the next generation. Au nanoparticles and ZnO nanorods were combined to improve the inverted-structure low-bandgap polymer solar cells and enhance the absorption and efficiency of the devices. However, the Au nanoparticles tend to aggregate in solution, thus reducing the localized surface plasmon resonance (LSPR) effect. The cluster effect on the spectral range of enhancement in the absorption is investigated and the absorption characteristics of the LSPR receive proper modification through our experiment. After reducing the number of Au nanoparticle clusters, the LSPR effect in the devices was clearly verified. The proper combination of the Au nanoparticles and ZnO nanorods leads to the power conversion efficiency of the PTB7 : PC71BM inverted organic solar cell reaching 8.04% after optimizing the process conditions.

Graphical abstract: Investigation of the localized surface plasmon effect from Au nanoparticles in ZnO nanorods for enhancing the performance of polymer solar cells

Article information

Article type
Paper
Submitted
07 Sep 2014
Accepted
06 Nov 2014
First published
10 Nov 2014

Nanoscale, 2015,7, 776-783

Author version available

Investigation of the localized surface plasmon effect from Au nanoparticles in ZnO nanorods for enhancing the performance of polymer solar cells

Y. Ho, S. Kao, H. Lee, S. Chang, C. Lee and C. Lin, Nanoscale, 2015, 7, 776 DOI: 10.1039/C4NR05194G

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