Methods of making electrically conductive, doped zinc oxide nanowires and nanowire films are provided. The methods comprises the steps of forming an aqueous solution comprising a dopant-containing precursor salt, a zinc-containing precursor salt and a pH buffering agent and heating the aqueous solution to a temperature below its boiling point in the presence of seed crystals, whereby doped zinc oxide nanowires are grown in situ from the seed crystals in the aqueous solution.
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