8-9th August, 2008 School of Materials Science & Nanotechnology,Jadavpur University
Synthesis and characterization of Copper Oxide based nanostructure by wet chemical route
S.Das and K.K.Chattopadhyay
Department Of Nano Science And Technology Jadavpur University
Different CuO nanostructues on copper substrate were synthesized successfully using a simple wet chemical method at room temperature by varying pH and reaction time of the solution. The composition, morphology, and growth conditions of the nanostructures were characterized by XRD, AFM, SEM, and EDAX. UV-Visiable spectroscopy measurement indicates that the CuO nanostructures shows reflectivity about 25 -12 % in the wavelength of 400-1500 nm with a direct band gap lying in the range of 1.37-1.47 eV. FT-IR analyses of nanostructured CuO thin films have been performed for the films deposited on Cu substrates. FT-IR spectra of the CuO thin films shows all the bands are due to the absorption peaks of Cu-O, at 600, 421cm-1.Cu-OH shows at 3647, 3428 and at 789 cm-1 and one bond of carbon dioxide at 2334 cm-1.field emission shows that electrons are emitted by cold field emission process and turn on current is 12.2 V/ μm for the self assembled nanorods of diameter lying in the range 180–200 nm with electrode distance 130 μm.
Corresponding author: kalyan_chattopadhyay@yahoo.com
