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°­Á Á¦¸ñ Nanostructured Photoelectrode Materials for Enhancing Charge Collecting and Light Harvesting Properties in Dye-sensitized Solar Cells
÷ºÎÆÄÀÏ session11_2012-07-02.pdf (145.3KB)  

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1. Á¦  ¸ñ : Nanostructured Photoelectrode Materials for Enhancing Charge Collecting and Light Harvesting Properties in Dye-sensitized Solar Cells
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Abstract : Photoelectrochemical solar cells such as dye-sensitized cells (DSSCs), which exhibit high performance and are cost-effective, provide an alternative to conventional p-n junction photovoltaic devices. However, the efficiency of such cells plateaus at 11-12 %, in contrast to their theoretical value of 33%. The majority of research has focused on improving energy conversion efficiency of DSSC by controlling nanostructure and exploiting new materials in photoelectrode consisting of semiconducting oxide nanoparticles and a transparent conducting oxide electrode (TCO). In this presentation, inverse opal-based scattering layers containing highly crystalline anatase nanoparticles are introduced and their feasibility for use as bi-functional light scattering layer is discussed in terms of optical reflectance and charge generation properties as a function of optical wavelength. Also, new nanostructured TCO material and preferred oriented TiO2 nanotube material for DSSC is going to be discussed in terms of charge collecting characteristics.

6. ¾à  ·Â :
1997 B.Sc. Seoul National University, South Korea
1999 M.Sc. Seoul National University, South Korea
2004 Ph.D. Seoul National University, South Korea
2005-2007 Director’s Postdoctor, Los Alamos National Laboratory, USA
2006-2011 Professor, Kookmin University, Korea
2011-Present Professor, Sungkyunkwan University, Korea

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