1991
DOI: 10.1016/0022-0728(91)85255-n
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Photoelectrochemical properties of polyaniline films

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Cited by 27 publications
(13 citation statements)
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“…5a) with a direct optical bandgap of 2.90 eV (Fig. 79 In other words, the behavior of pristine polyheptazine can be best understood as that of a ''low-bandgap insulator'', or of a ''widebandgap intrinsic semiconductor'' with very low charge mobility, whereby its Fermi level is in the middle of the bandgap and coincides with the photocurrent switching potential (+0.25 V vs. NHE). In order to further probe the electronic properties of polyheptazine, cyclic voltammetry was employed (Fig.…”
Section: Optical and Photoelectrochemical Propertiesmentioning
confidence: 99%
“…5a) with a direct optical bandgap of 2.90 eV (Fig. 79 In other words, the behavior of pristine polyheptazine can be best understood as that of a ''low-bandgap insulator'', or of a ''widebandgap intrinsic semiconductor'' with very low charge mobility, whereby its Fermi level is in the middle of the bandgap and coincides with the photocurrent switching potential (+0.25 V vs. NHE). In order to further probe the electronic properties of polyheptazine, cyclic voltammetry was employed (Fig.…”
Section: Optical and Photoelectrochemical Propertiesmentioning
confidence: 99%
“…O comportamento fotoeletroquímico do nanocompósito PAni/SnP-C foi investigado e observou-se fotocorrente anódica ou catódica, dependendo da diferença de potencial aplicada (Figura 13) 152 . A fotocorrente obtida a partir deste compósito é comparável a valores descritos na literatura para filmes contendo somente polímeros condutores [153][154][155][156] . Assim, os valores determinados foram bastante satisfatórios considerando-se que a concentração de polímero intercalado (material fotoativo) não ultrapassa os 4% em massa.…”
Section: Matrizes Hospedeiras Bidimensionaisunclassified
“…Kormányos Ph.D. Dissertation 11 irradiation. Since then a few studies were published on this topic [47][48][49][50][51][52][53][54], and the PEC behavior was also studied for PPy [46,55], poly(3-methyltiophene) [56][57][58], substituted PANIs [47], and for poly(benzimidazobenzophenantroline) [59].…”
Section: Literature Backgroundmentioning
confidence: 99%
“…Judging by the number of articles published on the PEC behavior of PANI, it can be concluded that this is the most widely studied CP in this vein. Unfortunately there are many controversies in the literature, concerning i) the origin of the photocurrent [50][51][52], ii) the mechanism of photodegradation [52,68], iii) the potential window where PANI is photoelectroactive [49,50,52,[54][55][56]. Therefore, some of their conclusions have to be handled with caution.…”
Section: Literature Backgroundmentioning
confidence: 99%
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