Experimental investigations of semi-crystalline plasma polymerized polypyrrole for surface coating

被引:29
作者
Dhillon, Anju [1 ]
Kaur, Amarjeet [1 ]
Srivastava, A. K. [2 ]
Avasthi, D. K. [3 ]
机构
[1] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[2] Natl Phys Lab, New Delhi 110012, India
[3] IUAC, New Delhi 110067, India
关键词
Plasma polymerization; Polypyrrole; HRTEM; OPTICAL-PROPERTIES; POLY(N-METHYL PYRROLE-PYRROLE); CONDUCTING POLYMERS; FILMS; PYRROLE; NANOPARTICLES; DEPOSITION; COPOLYMER;
D O I
10.1016/j.porgcoat.2010.08.002
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Plasma polymerized thin film of conducting polypyrrole were deposited at room temperature by plasma enhanced chemical vapor deposition method using pyrrole monomer as precursor. The radio frequency (RF: 13.56 MHz, power supply: 30W) was applied at constant argon gas pressure for the formation of plasma. The as grown thin films of polypyrrole have been characterized by ellipsometry, Fourier transform infrared spectroscopy (FTIR), UV-vis spectroscopy, atomic force microscopy (AFM), X-ray diffractometry (XRD) and high-resolution transmission electron microscopy ( HRTEM). UV-vis spectra showed the optical energy band gap of 2.3 eV. XRD pattern of plasma polymerized polypyrrole has revealed a clear peak at inter-planer separation of 0.687 nm. It was also noticed by HRTEM analysis that the distinguished reflection at d = 0.687 nm has a broadening effect that may be correlated with the crystallinity of the material. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:396 / 401
页数:6
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