Abstract
Start your abstract here Pt nano- and microstructures have been produced by a solvothermal technique in the presence of diethanolamine (DEA) as a reducing and capping agent. The effect of DEA concentration on Pt properties (structural and morphological) was discussed in detail. A lower DEA concentration produces nanoscale size particles while at higher concentration results in micro-flower structures. Pt crystallinity is enhanced with respect to the increment of DEA concentration in the order of 0.43 M >0.29 M >0.14 M. The presence of amino groups is confirmed by the intense band at ∼1087 cm−1 and absorption peak at 1446 cm−1 corresponds to C-N and N-H bending vibration mode of the amine group. The UV-Visible adsorption peak at 282 nm, due to adsorption of Pt (IV) disappeared implying that the Pt (IV) species has been reduced to Pt (0) valent confirming that DEA acted as a reducing agent. A possible reaction mechanism has been proposed.
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