Electrode for dye-sensitized solar cell and manufacturing method therefor

Patent metadata

Field	Value
Publication number	US-2016086737-A1
Application number	US-201414889414-A
Country	US
Kind code	A1
Filing date	Apr 23, 2014
Priority date	May 8, 2013
Publication date	Mar 24, 2016
Grant date	—

Abstract

An electrode for a dye-sensitized solar cell of the present invention includes a substrate; and a nanocomposite layer including a nanocomposite formed on the substrate, wherein the nanocomposite contains: metal, metal oxide or both; and inorganic materials, a conductive polymer or both.

First claim

1 . An electrode for a dye-sensitized solar cell (DSSC), comprising:
a substrate; and a nanocomposite layer comprising a nanocomposite formed on the substrate, and wherein the nanocomposite comprises a metal, a metal oxide, or both; and an inorganic material, a conductive polymer, or both.

2 . The electrode of claim 1 , wherein the nanocomposite is in a core-shell structure comprising a core and a shell covering the core, and
wherein the core comprises a metal, a metal oxide, or both, and the shell comprises an inorganic material, a conductive polymer, or both, or the core comprises an inorganic material, a conductive polymer, or both, and the shell comprises a metal, a metal oxide, or both.

3 . The electrode of claim 1 , wherein a thickness of the nanocomposite layer is 1 nanometer (nm) to 10 micrometers (μm).

4 . The electrode of claim 1 , wherein the metal is at least one selected from the group consisting of titanium (Ti), zirconium (Zr), strontium (Sr), zinc (Zn), indium (In), iridium (Yr), lanthanum (La), vanadium (V), molybdenum (Mo), tungsten (W), tin (Sn), niobium (Nb), magnesium (Mg), aluminum (Al), yttrium (Y), scandium (Sc), samarium (Sm), and gallium (Ga), and the metal oxide is at least one metal oxide selected from the group consisting of Ti, Zr, Sr, Zn, In, Yr, La, V, Mo, W, Sn, Nb, Mg, Al, Y, Sc, Sm, and Ga.

5 . The electrode of claim 1 , wherein the inorganic material is a silicon (Si)-containing material.

6 . The electrode of claim 1 , wherein the conductive polymer comprises at least one polymer selected from the group consisting of polyaniline (PANI), polythiophene (PT), polypyrrole (PPy), polyindole (PIN), polyacetylene (PAc), polyphenylene sulfide (PPS), polyphenylene vinylene (PPV), polypyrene (PPr), polycarbazole (PCz), polyazulene (PAz), polyazepine (PAze), polyfluorene (PFO), polynaphthalene (PN), polyethylenedioxythiophene (PEDOT), derivatives thereof, and copolymers thereof.

7 . The electrode of claim 2 , wherein the core has a particle diameter of 1 nm to 100 nm, and a thickness of the shell is 1 nm to 100 nm.

8 . The electrode of claim 1 , wherein the nanocomposite is arranged in the nanocomposite layer in a vertical direction from the substrate.

9 . The electrode of claim 1 , wherein the inorganic material and the conductive polymer are chemically bonded to at least a portion thereof in response to radical polymerization occurring through radiation emission.

10 . The electrode of claim 1 , wherein the nanocomposite layer and the substrate are chemically bonded to at least a portion thereof in response to radical polymerization occurring through radiation emission.

11 . The electrode of claim 2 , wherein the core and the shell are chemically bonded to at least a portion thereof in response to radical polymerization occurring through radiation emission.

12 . The electrode of claim 2 , wherein the shell comprises a first shell formed on a surface of the core and comprising the conductive polymer and a second shell formed on an outer surface of the first shell and comprising the inorganic material,
the shell comprises a first shell formed on a surface of the core and comprising the inorganic material and a second shell formed on an outer surface of the first shell and comprising the conductive polymer, the shell comprises a first shell formed on a surface of the core and comprising the metal and a second shell formed on an outer surface of the first shell and comprising the metal oxide, or the shell comprises a first shell formed on a surface of the core and comprising the metal oxide and a second shell formed on an outer surface of the first shell and comprising the metal.

13 . A method of manufacturing an electrode for a dye-sensitized solar cell (DSSC), the method comprising:
applying, onto a substrate, a reactant solution comprising a metal precursor compound, a conductive monomer, and an inorganic material precursor; and forming a nanocomposite layer by emitting radiation to the reactant solution.

14 . The method of claim 13 , wherein the conductive monomer comprises at least one selected from the group consisting of aniline, thiophene, pyrrole, indole, acetylene, phenylene sulfide, phenylene vinylene, pyrene, carbazole, azulene, azepine, fluorene, naphthalene, ethylenedioxythiophene, and derivatives thereof.

15 . The method of claim 13 , wherein the reactant solution comprises 0.1 to 10 parts by weight of a metal or a metal oxide precursor, 0.1 to 10 parts by weight of the conductive monomer, and 0.1 to 10 parts by weight of an inorganic salt, based on 100 parts by weight of a solvent.

16 . The method of claim 13 , wherein an amount of the radiation emission is 1 to 500 kilograys (kGy).

17 . The method of claim 13 , further comprising:
frothing the reactant solution by injecting a gas to the substrate onto which the reactant solution is applied, and wherein the gas is at least one selected from the group consisting of nitrogen (N 2 ), argon (Ar), neon (Ne), helium (He), and krypton (Kr).

18 . The method of claim 13 , wherein the manufacturing of the electrode for a DSSC is performed at an ordinary temperature or at less than or equal to 70° C.

19 . The method of claim 13 , further comprising:
applying a dye onto a surface of the nanocomposite layer and drying the surface of the nanocomposite layer onto which the dye is applied, subsequent to the forming of the nanocomposite layer.

20 . The method of claim 13 , further comprising:
arranging the nanocomposite in the nanocomposite layer in a vertical direction from the substrate, subsequent to the forming of the nanocomposite layer.

Assignees

• Korea Atomic Energy Res

Inventors

• Kim Hwa Jung
• Park Hae Jun
• Lee Ju Woon

Classifications

• Y02P70/50

  Manufacturing or production processes characterised by the final manufactured product · CPC title

• Y02E10/542

  Dye sensitized solar cells · CPC title

• H10F71/00

  Manufacture or treatment of devices covered by this subclass (patterning processes to connect thin photovoltaic cells in integrated devices, or assemblies of multiple devices, having photovoltaic cells H10F19/33; manufacture or treatment of encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells H10F19/80; manufacture or treatment of integrated devices, or assemblies of multiple devices, comprising at least one element in which radiation controls the flow of current H10F39/00) · CPC title

• H10F77/20

  Electrodes · CPC title

• H10F10/00 Primary

  Individual photovoltaic cells, e.g. solar cells (electrolytic light-sensitive devices, e.g. dye-sensitised solar cells, H01G9/20) · CPC title