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Resonant Multiple Light Scattering for Photon Harvest Enhancement in Dye-Sensitized Solar Cells

Published online by Cambridge University Press:  08 June 2015

Jihun Kim ,
Horim Lee  and
Yongsok Seo
Jihun Kim
Affiliation:
RIAM, School of Materials Science and Engineering, College of Engineering, Seoul National University, Daehakro 1, Kwanakgu, Seoul, Republic of Korea, 151-744
Horim Lee
Affiliation:
RIAM, School of Materials Science and Engineering, College of Engineering, Seoul National University, Daehakro 1, Kwanakgu, Seoul, Republic of Korea, 151-744
Yongsok Seo*
Affiliation:
RIAM, School of Materials Science and Engineering, College of Engineering, Seoul National University, Daehakro 1, Kwanakgu, Seoul, Republic of Korea, 151-744
*
*[email protected]
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Abstract

We have set a new bench mark for DSSC performances by fabricating a very efficient device with a high photocurrent density and good stability. This bench mark was accomplished by harmonizing the absorption spectrum of the dye with the average size of the aggregates in the TiO2 electrode. The resultant resonant multiple scattering enhanced the light harvesting efficiency and charge collection yield. The high and robust photovoltaic performance (with an initial efficiency of 9.18% and an efficiency of 7.44% after 800 h of irradiation with a light intensity of 100 mW cm-2) of the JH-1 DSSC prepared without an antireflecting layer demonstrated the promise of this novel sensitizer for large scale applications.

Keywords

energy generationnanostructurespray deposition
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1737: Symposium U – Organic Photovoltaics—Fundamentals, Materials and Devices , 2015 , mrsf14-1737-u13-40
Copyright
Copyright © Materials Research Society 2015 

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References

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