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Nitrogen-doping porous carbon (NPC) with high surface area is prepared by a simple soft-templating method and explored as a low-cost counter electrode for dye-sensitized solar cells. Nitrogen adsorption analysis shows that the as-prepared NPC has a high surface area and mesoporous structure. Electrochemical impedance spectroscopy test shows a low charge-transfer resistance of 0.77Ωcm 2 for...
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