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Nanocrystalline TiO 2 with 3–5nm in diameter was prepared with a surfactant-assisted sol–gel method. The microstructure measured by XRD and high resolution TEM was pure high crystallinity anatase phase. Dye-sensitized solar cells were assembled using the prepared nano-scale TiO 2 crystals and its photocurrent–voltage performance was investigated. The electrodes give significantly higher...
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