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1. (US20070051403) Photoelectric Converter and Dye Sensitized Solar Cell
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Claims

1. A photoelectric converter comprising a conductive substrate having thereon a dye sensitized semiconductor electrode, a charge transport layer and a counter electrode, wherein the charge transport layer contains a charge transport material and an antioxidant.
2. The photoelectric converter of claim 1, wherein the antioxidant comprises a hindered amine or a hindered phenol.
3. The photoelectric converter of claim 1, wherein the weight content of the antioxidant is 0.01-20% by weight based on the weight of the charge transport layer.
4. The photoelectric converter of claim 1, wherein the charge transport layer comprises a charge transport material having a molecular weight of 750-100,000.
5. The photoelectric converter of claim 1, wherein the charge transport layer comprises a polymer charge transport material and the antioxidant but the charge transport layer comprises no binder resin.
6. The photoelectric converter of claim 5, wherein the polymer charge transport material is a conductive polymer.
7. The photoelectric converter of claim 1, wherein the photoelectric converter further comprises an insulator layer or a semiconductor layer as a blocking layer between the conductive substrate and the semiconductor electrode.
8. The photoelectric converter of claim 1, wherein a thickness of the semiconductor electrode is 100-10000 nm.
9. The photoelectric converter of claim 1, wherein a thickness of the charge transport layer is 0.1-20 μm.
10. A dye sensitized solar cell comprising the photoelectric converter of claim 1.