DYE-SENSITIVE SOLAR CELL PASTE, POROUS LIGHT-REFLECTIVE INSULATION LAYER, AND DYE-SENSITIVE SOLAR CELL

• US 20150228414A1
• Filed: 08/21/2013
• Published: 08/13/2015
• Est. Priority Date: 08/22/2012
• Status: Abandoned Application

• Current Assignee: Sumitomo Osaka Cement Company Limited
• Original Assignee: Sumitomo Osaka Cement Company Limited
• Inventors: Yakubo, Teppei, Takano, Shingo
• Application Number:
  US14/422,757
• Publication Number:
  US 20150228414A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H01G 9/2031 comprising titanium oxide, e.g. TiO2 H01G9/2036 takes precedence
• CPC Class Codes: H01G 9/209 Light trapping arrangements
• CPC Class Codes: H10K 2102/00 Constructional details relating to the organic devices covered by this subclass
• CPC Class Codes: Y02E 10/542 Dye sensitized solar cells
• CPC Class Codes: Y10T 428/2982 Particulate matter [e.g., sphere, flake, etc.]

Abstract

Dye-sensitized solar cell paste which has both high light reflectivity and excellent insulation properties and is capable of forming a porous light reflective insulation layer, the porous light reflective insulation layer obtained by firing the same, and a dye-sensitized solar cell are provided. The dye-sensitized solar cell paste includes insulating particles (A) having a refractive index of 1.8 or more and a volume median particle diameter (D50) in a range of 100 nm to 5,000 nm and insulating particles (B) having a volume median particle diameter (D50) in a range of 1 nm to 30 nm.

Claims

1. Dye-sensitized solar cell paste comprising:

insulating particles (A) having a refractive index of 1.8 or more and a volume median particle diameter (D50) in a range of 100 nm to 5,000 nm; and

insulating particles (B) having a volume median particle diameter (D50) in a range of 1 nm to 30 nm.

2. The dye-sensitized solar cell paste according to claim 1,

wherein the particles (A) are particles obtained by carrying out an insulation treatment on surfaces of non-insulating particles (a).

3. The dye-sensitized solar cell paste according to claim 2,

wherein the insulation treatment is a treatment for forming a coat containing one or more selected from silicon compounds, magnesium compounds, aluminum compounds, zirconium compounds, and calcium compounds on the surfaces of the non-insulating particles (a).

4. The dye-sensitized solar cell paste according to claim 2,

wherein the non-insulating particles (a) are one or more selected from titanium oxide, tin oxide, zinc oxide, niobium oxide, indium oxide, tin oxide-doped indium oxide, antimony-doped tin oxide, and aluminum-doped zinc oxide.

5. The dye-sensitized solar cell paste according to claim 1,

wherein the particles (B) are oxides or composite oxides of one or more selected from silicon, aluminum, zirconium, calcium, and magnesium.

6. A porous light reflective insulation layer obtained by firing the dye-sensitized solar cell paste according to claim 1.

7. A dye-sensitized solar cell comprising:

the porous light reflective insulation layer according to claim 6 between a porous semiconductor layer and a conductive layer.