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FTIR, XRD, TGA Investigations of L-Leucine Doped In Ammonium Dihydrogen Phosphate (ADP) Single Crystal

Publication Date : 05/06/2015



Author(s) :

B. A. Shingade , P. S. Sawadh , K.G.Rewatkar.


Volume/Issue :
Volume 2
,
Issue 6
(06 - 2015)



Abstract :

Ammonium dihydrogen phosphate (ADP) (NH4H2PO4) single crystals were grown by slow evaporation method using doped 0.8% L-Leucine. The X-ray diffraction analysis of the as–grown ADP crystals showed that it possess tetragonal structure having lattice parameters a = 7.4854 Å and c = 7.5377 Å. The Fourier transform infrared spectroscopy (FTIR) of as-grown ADP crystal taken between wave-number 400 to 4000 cm-1 showed peaks due to vibration and stretching of functional group O-N=P and –ONO2 in 400 to 912.16 cm-1, P = O and O-H in 1100.50 to 1446.67 cm-1 and O-H and N-H in 2409.81 to 3253.71 cm-1 range. The thermal properties of the as-grown ADP crystals were studied by thermogravimetric analysis (TGA). The thermal activation energy determined from the TGA curve using Broido, Piloyan-Novikova (PN) and Coats Redfern (CR) relations were in good agreement with each other. The obtained results are discussed in details


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FTIR, XRD, TGA Investigations of L-Leucine Doped In Ammonium Dihydrogen Phosphate (ADP) Single Crystal

June 2, 2015