1988
DOI: 10.1016/0379-6779(88)90261-5
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Infrared spectra of soluble polyaniline

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Cited by 797 publications
(374 citation statements)
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“…In the region of 1010-1170 cm À1 , aromatic CAH in-plane bending modes are usually observed. [37] A strong characteristic band appears at $1160 cm À1 , which has been explained as an electronic band [38] or a vibrational band of nitrogen quinine [37]. The CAH out-of-plane bending mode has been used to identify the type of substituted benzene [39].…”
Section: Xrd and Saxd Analysismentioning
confidence: 99%
“…In the region of 1010-1170 cm À1 , aromatic CAH in-plane bending modes are usually observed. [37] A strong characteristic band appears at $1160 cm À1 , which has been explained as an electronic band [38] or a vibrational band of nitrogen quinine [37]. The CAH out-of-plane bending mode has been used to identify the type of substituted benzene [39].…”
Section: Xrd and Saxd Analysismentioning
confidence: 99%
“…The IR characteristic bands of all samples are tabulated in Table 1. The -N-H stretching bands of pure polymers appear at around 3231 cm -1 [27]. The characteristic bands due to quinoid and benzenoid rings appear around 1563 cm -1 and 1495 cm -1 , respectively [27,28]. In the case of poly(2ClAni), the band at 1297 cm -1 is due to 8 aromatic -C-N-stretching vibration, whereas that at around 1174 cm -1 corresponds to charged species (B-N + H-B/Q=N + H-B) present in the emeraldine salt structure [28].…”
Section: Fourier-transform Infrared Spectra (Ftir)mentioning
confidence: 99%
“…The characteristic bands due to quinoid and benzenoid rings appear around 1563 cm -1 and 1495 cm -1 , respectively [27,28]. In the case of poly(2ClAni), the band at 1297 cm -1 is due to 8 aromatic -C-N-stretching vibration, whereas that at around 1174 cm -1 corresponds to charged species (B-N + H-B/Q=N + H-B) present in the emeraldine salt structure [28]. The bands at 815 cm -1 have been assigned to -C-H out of plane bending vibration of 1, 2, 4 trisubstituted aromatic rings [29].…”
Section: Fourier-transform Infrared Spectra (Ftir)mentioning
confidence: 99%
“…The greenish conducting PVC/PANI films have absorption bands in all regions and especially a broad band starting from 600 nm extending to the NIR region which is usually associated with electrical conductivity. [16][17][18][19][20][21][22][23][24][25] For the bluish nonconducting PVC/ PANI composite films this absorption is weaker and is strongly blue-shifted. After exposure to the 60 Co γ-rays the absorption spectrum of this nonconducting film matches that of the conducting counterpart, as evidenced by its spectrum.…”
Section: Resultsmentioning
confidence: 99%
“…(iii) There are several characteristic changes in the 1640-400 cm -1 region, some of which can be identified with structural changes associated with electrical conductivity. [16][17][18][19][20][21][22][23] Appearance of carbonyl bands can be prevented by performing the γ-ray exposure in a vacuum, but other features indicating the increase in electrical conductivity remain.…”
Section: Resultsmentioning
confidence: 99%