Synthesis of Zr-incorporated TiO2 Using a Solvothermal Method and its Photovoltaic Efficiency on Dye-sensitized Solar Cells

Title
Synthesis of Zr-incorporated TiO2 Using a Solvothermal Method and its Photovoltaic Efficiency on Dye-sensitized Solar Cells
Author(s)
강미숙김수정[김수정]
Keywords
TITANIUM-DIOXIDE FILMS; HIGH-SURFACE-AREA; PERFORMANCE; PARAMETERS; CONVERSION; ELECTRODE; ANATASE
Issue Date
201109
Publisher
KOREAN CHEMICAL SOC
Citation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.32, no.9, pp.3317 - 3322
Abstract
This study examines the photoelectric conversion efficiency of dye-sensitized solar cells (DSSCs) when nanometer-sized Zr (0.1, 0.5, and 1.0 mol %)-TiO2 prepared using a solvothennal method is utilized as the working electrode material. The particle sizes observe in the transmission electron microscopy (TEM) images are < 30 nm in all samples. The absorption band is slightly broadened at the tail for the 0.1 mol % Zr-TiO2 and the intensity of the photoluminescence (PL) curves of the Zr-incorporated TiO2 is significantly smaller than that of the pure TiO2. Compared to that using pure TiO2 the energy conversion efficiency is enhanced considerably by the application of Zr-TiO2 in the DSSCs to approximately 6.17% for 0.5 mol % Zr-TiO2 with the N719 dye (10.0 mu m film thickness and 5.0 mm x 5.0 mm cell area) under 100 mW/cm(2) of simulated sunlight.
URI
http://hdl.handle.net/YU.REPOSITORY/24592http://dx.doi.org/10.5012/bkcs.2011.32.9.3317
ISSN
0253-2964
Appears in Collections:
이과대학 > 화학생화학부 > Articles
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