Large-area TiO2 nanotube dye-sensitized solar cells using thermal-sprayed Ti layers on stainless steel

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Title:	Large-area TiO2 nanotube dye-sensitized solar cells using thermal-sprayed Ti layers on stainless steel
Authors:	Chien Chon Chena, Wern-Dare Jhengb, , , Chung-Kwei Lin
Contributors:	圖書館
Keywords:	Dye-sensitized solar cell Stainless-steel Efficiency Electrochemical impedance spectroscopy Equivalent circuit
Date:	2014-03
Issue Date:	2016-10-13 15:33:01 (UTC+8)
Abstract:	This work presents large-scale dye-sensitized solar cells and methods for their manufacture. A dye-sensitized solar cell device contains a photosensitive dye adsorbed on a large surface of the anode, and a transparent conductive cathode disposed opposite the anode, wherein platinum nano-catalytic particles adhere to its surface, and an electrolytic solution is sealed between the anode and the transparent conductive cathode. A titania nanotube film was fabricated by thermo-spraying titanium film on 304 stainless-steel substrate. The photo-current conversion efficiency was tested under an AM 1.5 solar simulator. The dye-sensitized solar cell device has a short current density of 8.22 mA cm–2, open voltage of 0.71 V, fill factor of 0.59, and conversion efficiency of 3.4%. The internal impedance of the dye-sensitized solar cell was detected and simulated using an electrical impedance spectra technique with inductance, resistance, and capacitance characteristics. The stainless-steel/titania, titania/electrolyte, electrolyte, and electrolyte/(platinum/indium tin oxide) interfaces were simulated using an resistor–capacitor parallel circuit, and bulk materials such as stainless steel, tin doped indium oxide, and conducting wire were simulated by using a series of resistors and inductance.
Relation:	Ceramics International
Appears in Collections:	[Department of Mechanical Engineering] 【機械工程系】期刊論文

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