A process for forming a zinc oxide film including immersing an electroconductive substrate having a surface including a plurality of linear projections in an aqueous solution containing at least nitrate ions and zinc ions to form {HEAD ~ a zinc oxide film} on {TAIL ~ the electroconductive substrate} by a liquid phase deposition 
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A process for forming a zinc oxide film including immersing an electroconductive substrate having a surface including a plurality of linear projections in an aqueous solution containing at least nitrate ions and zinc ions to form { HEAD ~ a zinc oxide film } on { TAIL ~ the electroconductive substrate } by a liquid phase deposition
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