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Table 1 The morphologies and synthesis parameters of CuO nanostructures

From: Surfactant-free Synthesis of CuO with Controllable Morphologies and Enhanced Photocatalytic Property

Sample no. The amount of NH3 · H2O (mL) Copper source Morphologies
A 0.5 Cu(NO3)2 · 3H2O Spindle-like
B 0.5 Cu(COOH)2 · H2O Rugby-like
C 0.6 Cu(NO3)2 · 3H2O Nanoleave
D 0.6 Cu(COOH)2 · H2O Nanosheet
E 1.5 Cu(NO3)2 · 3H2O Dandelion-like
F 1.5 Cu(COOH)2 · H2O Flower-like