Dye-Sensitized Solar Cell Using Nitrogen Doped Carbon-Nano-Tube and Method for Manufacturing the Same
AssigneeKorea Advanced Institute of Science and Technology
InventorsJeung-Ku Kang, Ga-In Lee, Weon-Ho Shin, Jae-Joon Lee, Narayan Chandra Deb Nath, Subrata Sarker
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Abstract
Provided are a dye-sensitized solar cell and a method for manufacturing the dye-sensitized solar cell using a carbon nanotube (CNx) doped with nitrogen, wherein the dye-sensitized solar cell using the carbon nanotube (CNx) doped with nitrogen has an improved conductivity and open circuit voltage as compared to those using the carbon nanotube (CNT) and also a high connectivity between a transparent electrode and an oxide semiconductor
Claims13
A dye-sensitized solar cell, comprising:
- an upper transparent substrate;
- a transparent electrode formed on an inner surface of the upper transparent substrate;
- a porous cathode electrode formed on the transparent electrode and comprising an oxide semiconductor and a dye adsorbed on a surface of the oxide semiconductor;
- a counter electrode formed on a lower transparent substrate as an anode electrode part corresponding to the cathode electrode;
- and
- an electrolyte filled between the cathode electrode and the counter electrode,
- wherein the dye-sensitized solar cell further comprises a nitrogen doped carbon nanotube (CNx) layer between the transparent electrode and the porous cathode electrode.
A dye-sensitized solar cell, comprising:
- an upper transparent substrate;
- a transparent electrode formed on an inner surface of the upper transparent substrate;
- a porous cathode electrode formed on the transparent electrode and comprising an oxide semiconductor and a dye adsorbed on a surface of the oxide semiconductor;
- a counter electrode formed on a lower transparent substrate as an anode electrode part corresponding to the cathode electrode;
- and
- an electrolyte filled between the cathode electrode and the counter electrode,
- wherein the porous cathode electrode comprises a nitrogen doped carbon nanotube (CNx).
A method for manufacturing a dye-sensitized solar cell including an upper transparent substrate, a transparent electrode formed on an inner surface of the upper transparent substrate, a porous cathode electrode formed on the transparent electrode and including an oxide semiconductor and a dye adsorbed on a surface of the oxide semiconductor, a counter electrode formed on a lower transparent substrate as an anode electrode part corresponding to the cathode electrode, and an electrolyte filled between the cathode electrode and the counter electrode, the method comprising:
- (a) preparing the nitrogen doped carbon nanotube (CNx);
- (b) forming the transparent electrode on the inner surface of the upper transparent substrate;
- (c) forming the nitrogen doped carbon nanotube (CNx) layer on the transparent electrode;
- and
- (d) applying an oxide paste on the nitrogen doped carbon nanotube (CNx) layer to form the porous cathode electrode including the oxide semiconductor.
A method for manufacturing a dye-sensitized solar cell including an upper transparent substrate, a transparent electrode formed on an inner surface of the transparent substrate, a porous cathode electrode formed on the transparent electrode and including an oxide semiconductor and a dye adsorbed on a surface of the oxide semiconductor, a counter electrode formed on a lower transparent substrate as an anode electrode part corresponding to the cathode electrode, and an electrolyte filled between the cathode electrode and the counter electrode, the method comprising:
- (a) preparing a nitrogen doped carbon nanotube (CNx);
- (b) mixing an oxide paste with the nitrogen doped carbon nanotube (CNx);
- (c) forming the transparent electrode on the inner surface of the upper transparent substrate;
- and
- (d) applying an oxide paste comprising the nitrogen doped carbon nanotube (CNx) on the transparent electrode to form the porous cathode electrode comprising the oxide semiconductor.
Dependencies are inferred from the claim text.