1D nanorod-planted 3D inverse opal structures for use in dye-sensitized solar cells

Nanoscale
Yesle ParkJun Hyuk Moon

Abstract

The effectiveness of the 1D nanorod (NR)-planted 3D inverse opal (IO) structure as an electrode for dye-sensitized solar cells (DSSCs) is demonstrated here. The NRs were grown on the surface of a macroporous IO structure and their longitudinal growth increased the surface area of the structure proportional to the growth duration. NR/IO electrodes with various NR growth times were compared. A remarkable JSC was obtained for the DSSCs utilizing a NR/IO electrode. The improvement of the JSC was analyzed in terms of its efficiency in light harvesting and electron transport. The growth of the NRs improved the dye adsorption density and scattering property of the electrode, resulting in an improvement in the light harvesting efficiency. Electrochemical impedance analysis revealed that the NRs also improved its electron transport properties. Further growth of the NRs tended to limit the increase of the JSC, which could be attributed to an overlap between them.

References

Aug 11, 2006·The Journal of Physical Chemistry. B·Bing Tan, Yiying Wu
Dec 15, 2006·The Journal of Physical Chemistry. B·Qing WangHachiro Imai
Sep 1, 2009·Accounts of Chemical Research·Michael Grätzel
Jul 22, 2010·Nanoscale·Poulomi RoyPatrik Schmuki
Dec 16, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Ju-Hwan ShinJun Hyuk Moon
Apr 15, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Ju-Hwan Shin, Jun Hyuk Moon
Oct 4, 2011·Nano Letters·Nicolas TétreaultMichael Grätzel
Jul 12, 2012·ACS Applied Materials & Interfaces·Kun Seok LeeJong Hyeok Park
Sep 19, 2012·ACS Applied Materials & Interfaces·Sun Hye HwangJyongsik Jang
May 24, 2013·Physical Chemistry Chemical Physics : PCCP·Chang-Yeol ChoJun Hyuk Moon

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