The photovoltaic efficiency of dye sensitized solar cell assembled using carbon capsulated TiO2 electrode
- The photovoltaic efficiency of dye sensitized solar cell assembled using carbon capsulated TiO2 electrode
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- Issue Date
- ELSEVIER SCIENCE INC
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.20, no.5, pp.2636 - 2640
- Carbon-encapsulated TiO2 was synthesized and its applications to dye-sensitized solar cells (DSSCs) were evaluated. When carbon-encapsulated TiO2 was applied to DSSCs as a scattering material, the efficiency was enhanced considerably compared to that using only double-layered, nanometer-sized pure TiO2. The photovoltaic efficiency of the carbon-encapsulated TiO2-DSSCs was approximately 3.59%, while it was 2.87% for the pure TiO2-DSSCs. The quantum efficiencies evaluated from IPCE spectroscopy were better on the carbon-encapsulated TiO2-DSSCs compared to of a TiO2-DSSCs. PL spectroscopy showed that the rate of recombination between the holes and electrons on the carbon-encapsulated TiO2 were lower than that on pure TiO2. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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