The photovoltaic efficiencies on dye sensitized solar cells assembled with nanoporous carbon/TiO2 composites
作者： Dong Young Kim , Jiyeon Kim , Jieun Kim , A-Young Kim , Gayoung Lee
DOI: 10.1016/J.JIEC.2011.11.090
关键词: Energy conversion efficiency 、 Composite number 、 Nanoporous 、 Nanopore 、 Dye-sensitized solar cell 、 Composite material 、 Materials science 、 Nanometre 、 Carbon 、 Electrolyte
摘要: Abstract This study examined the characterization of nanoporous structured carbon/TiO 2 composites and its application to dye-sensitized solar cells. TEM carbon revealed nanopore sizes 2.0–3.0 nm with a regular hexagonal form. When was mixed TiO particles then applied DSSC, energy conversion efficiency enhanced considerably compared that using only nanometer sized pure : DSSC prepared from approximately 3.38%, 2.49% . We confirmed FT-IR spectroscopy dye molecules were attached perfectly surface more absorbed on composite than particles. In impedance measurements, R 3 which means Nernstian diffusion within electrolytes largely decreased in cell assembled by
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