Au-Coated Honeycomb Structure as an Efficient TCO-Free Counter-Electrode for Quantum-Dot-Sensitized Solar Cells

Chemistry : a European Journal
Van-Duong DaoHo-Suk Choi

Abstract

This study reports the fabrication of a Petri dish patterned with cylindrical micro-cavities that are produced using a one-step solvent-immersion phase-separation process. The developed 3D honeycomb Petri dish is coated with a Au film through a sputtering method to be an efficient Au-coated FTO-free electrode for quantum-dot-sensitized solar cells. Due to the high specific active surface area of the electrode with the Au-coated honeycomb structure, the energy conversion efficiency of devices that use this electrode is 5.2 % compared to 4.4 and 4.7 % by devices using an Au-coated flat Petri dish and an Au-coated FTO electrode, respectively. This design strategy offers excellent potential for the fabrication of highly efficient counter electrodes with FTO-free substrates of flexible photovoltaic devices.

References

Mar 4, 2008·Journal of the American Chemical Society·Anusorn KongkanandPrashant V Kamat
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Jul 16, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Sven RühleArie Zaban
May 21, 2013·Nature Nanotechnology·Hui WuYi Cui
Mar 5, 2014·Chemical Communications : Chem Comm·Ling-Shu WanZhi-Kang Xu
Mar 11, 2016·Journal of the American Chemical Society·Jun DuLi-Jun Wan

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