Silver nanowires enhance absorption of poly(3-hexylthiophene)
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Results of optical spectroscopy reveal strong influence of plasmon excitations in silver nanowires on the fluorescence properties of poly(3-hexylthiophene) (P3HT), which is one of the building blocks of organic solar cells. For the structure where a conductive polymer poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) was used as a spacer in order to minimize effects associated with non-radiative energy transfer from P3HT to metallic nanoparticles, we demonstrate over two-fold increase of the fluorescence intensity. Results of time-resolved fluorescence indicate that the enhancement of emission intensity can be attributed to increased absorption of P3HT. Our findings are a step towards improving the efficiency of organic solar cells through incorporation of plasmonic nanostructures. (C) 2013 AIP Publishing LLC.
Smolarek , K , Ebenhoch , B , Czechowski , N , Prymaczek , A , Twardowska , M , Samuel , I D W & Mackowski , S 2013 , ' Silver nanowires enhance absorption of poly(3-hexylthiophene) ' , Applied Physics Letters , vol. 103 , no. 20 , 203302 . https://doi.org/10.1063/1.4829623
Applied Physics Letters
Copyright 2013, American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters Vol 103, Issue 20, and may be found at: http://scitation.aip.org/content/aip/journal/apl/103/20/10.1063/1.4829623
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