Journal
SCIENTIFIC REPORTS
Volume 7, Issue -, Pages -Publisher
NATURE RESEARCH
DOI: 10.1038/s41598-017-08077-9
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Funding
- Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP)
- Research Grants Council Earmarked Research Grants (RGC-ERG) [M_CityU 102/12]
- National Program on Key Basic Research Project (973 Program) [2013CB933301]
- National Natural Science Foundation of China [51302030, 61474015]
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To guide the design of plasmonic solar cells, theoretical investigation of core (metal)-shell (dielectric) nanoparticles for light absorption enhancement in thin film Si solar cells is performed. In contrast to the reported simulations and experimental results that rear-located surface plasmon on bare metallic nanoparticles is preferred, the core-shell nanoparticles demonstrate better performance when surface plasmon is located in front of a solar cell. This has been attributed to the enhanced forward scattering with vanishing backward scattering preserved over a wide spectral range in core-shell nanoparticles. This work provides a concept to achieve enhanced forward scattering with weakened backward scattering in plasmonic thin film solar cells.
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