期刊
NANOSCALE RESEARCH LETTERS
卷 9, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/1556-276X-9-295
关键词
Dye-sensitized solar cell; ZnO photoelectrode; Light trapping; Nanoparticle; Nanoporous sphere
资金
- National Research Foundation of Korea (NRF) [2013R1A1A2065793, 2010-0029065]
- National Research Foundation of Korea [2013R1A1A2065793] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A scattering layer is utilized by mixing nanoporous spheres and nanoparticles in ZnO-based dye-sensitized solar cells. Hundred-nanometer-sized ZnO spheres consisting of approximately 35-nm-sized nanoparticles provide not only effective light scattering but also a large surface area. Furthermore, ZnO nanoparticles are added to the scattering layer to facilitate charge transport and increase the surface area as filling up large voids. The mixed scattering layer of nanoparticles and nanoporous spheres on top of the nanoparticle-based electrode (bilayer geometry) improves solar cell efficiency by enhancing both the short-circuit current (J(sc)) and fill factor (FF), compared to the layer consisting of only nanoparticles or nanoporous spheres.
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