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Title: Synthesis and characterization of crystalline polyaniline
Authors: Singh, Bharti
Das, B
Keywords: AFM;Crystalline PANI;Crystals;TEM;XRD
Issue Date: Oct-2020
Publisher: NISCAIR-CSIR, India
Abstract: The present paper deals with the synthesis and characterization of crystalline polyaniline (PANI). In the present work the crystalline PANI was synthesized in two steps. Firstly, the amorphous polyaniline was prepared by co-precipitation method using aniline as precursor and ammonium peroxodisulfate as reagent. In second stage the crystalline PANI was prepared by the melting and slow cooling. Pellets of PANI were prepared at pressure of 3000-4000 kg/cm2. The resulting crystalline PANI was characterized by powder X-ray diffraction (PXRD), atomic force microscopy (AFM) and transmission electron microscopy (TEM). The PXRD pattern confirms the crystalline behaviour of PANI. The AFM results also support PXRD result due to presence of tiny crystals on the surface of PANI. TEM analysis reveals various nanorings connecting the characteristics diffraction spots of PANI nanoparticles.
Page(s): 735-739
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJPAP Vol.58(10) [October 2020]

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