Abstract
We report a solution synthesis approach for crystalline Cu2O nanorods, in which Gallic acid acts as both reductant and crystal growth modifier. The results show that Cu2O nanonrods were generated under the conditions of temperature at 80 °C, dropping rate of CuSO4 solution at 10 mL/min, pH values at 10–10.2 and initial Cu2+:GA molar ratio of (1–2):1. Compared with Cu2O cubes, Cu2O nanorods demonstrated a superior photocatalytic performance due to their rough surfaces consisting of the dominant active facets such as {111} and {211}. This study offers a promising route to make functional oxides in an environmentally friendly way.
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