Journal
MATERIALS LETTERS
Volume 123, Issue -, Pages 6-9Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.02.041
Keywords
Iron phthalocyanine; Permanent dipole moment; Microwave absorbing properties; Spectroscopy; Electronic materials
Funding
- National Natural Science Foundation [51173021, 51373028]
- 863 National Major Program of High Technology [2012AA03A212]
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A novel iron phthalocyanine with nitro and nitrile groups (TnFePc-CN) micro-nano-structure was prepared via a simple and effective solvent-thermal route. SEM, FT-IR, UV-vis and DSC indicated that highly polar nitro and nitrile groups were successfully incorporated in phthalocyanine molecule. The strong permanent dipole moment endowed phthalocyanine with excellent microwave absorbing properties. The large microwave absorbing peak of TnFePc-CN arising at 15.8 GHz, originated from polarization relaxation of the polar nitrile groups, and achieved a maximum absorbing value of 9.76 dB at the thickness of 3.7 mm. (C) 2014 Elsevier B.V. All rights reserved.
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