NDLI: Electrospun nanofibers with dual plasmonic-enhanced luminescent solar concentrator effects for high-performance organic photovoltaic cells

Content Provider	Royal Society of Chemistry (RSC)
Author	Chen, Jung-Yao Shih, Chien-Chung Chen, Wen-Chang Chiu, Yu-Cheng Wu, Wen-Chung
Copyright Year	2015
Abstract	We fabricated dual functional electrospun (ES) nanofibers by a coaxial electrospinning technique for enhancing the organic photovoltaic (OPV) device efficiency. The nanofibers contained poly[2,7-(9,9-dihexylfluorene)-alt-4,7-(2,1,3-benzothiadiazole)] (PFBT) nanoparticles as the luminescent solar concentrator (LSC) and Ag nanoparticles for the surface plasmon resonance (SPR) effect. Aligned- and crossed-fiber architecture patterns were fabricated to compare the effects of the architecture on the OPV efficiency. The plasmonic-enhanced LSC ES nanofibers with crosslinked poly(methacrylic acid) could be directly integrated into the conventional OPV configuration without sacrificing the coverage area of the active layer. In addition, the in situ reduction of Ag nanoparticles simultaneously enhanced the exciton generation of PFBT and the active materials with the SPR effect. The dual functional ES nanofibers with a crossed-pattern embedded into OPV devices provided significant light harvesting through down conversion and enhanced exciton generation. They led to PCE values of 4.11 and 7.12% for P3HT (poly(3-hexylthiophene)) : PC61BM ([6,6]-phenyl C61-butyric acid methyl ester) and PTB7 (polythieno[3,4-b]-thiophene-co-benzodithiophene) : PC71BM ([6,6]-phenyl C71-butyric acid methyl ester) ([6,6]-phenyl) photovoltaic cells, respectively, which are 18% enhancements compared to their parent devices. This interface-modification approach using plasmonic-enhanced LSC ES nanofibers provides a new approach for enhancing the OPV device performance.
Starting Page	15039
Ending Page	15048
Page Count	10
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	3
Issue Number	29
Journal	Journal of Materials Chemistry A
DOI	10.1039/c5ta02417j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	LSC OPV PFBT Electrospinning Solar cell Luminescent solar concentrator Surface plasmon Surface plasmon resonance Architectural pattern Poly(methacrylic acid) Acid Exciton Polythiophene Phenyl group Ester
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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