Abstract
Nano sized Al2O3 and Cu doped Al2O3 nano-sized particles have been synthesized by using microwave assisted chemical co-precipitation method. The structural, morphological and optical band gap energy of the calcined samples have been examined by using X-ray diffraction techniques, FESEM, HR-TEM and UV-Vis absorption respectively. The insertion of Cu2+ ions into Al2O3 NPs gave significant alteration in structural and morphological properties. The Crystalline sizes of Cu-doped Al2O3 were calculated by Debye Scherrer formula and it is approximately 21 nm. The UV absorption study shows strong absorption peak around 250 nm. The FTIR spectroscopy of calcined samples were at 530 cm-1 and at 512 cm-1 proving Cu2+ion in Al2O3 lattice . The FESEM images confirmed that the samples are nanosized and more or less truncated hexagonal in shape.
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