Electrical characteristics of some derivatives of p-aminobenzoic acid in thin films

Şunel, Valeriu; Rusu, G.I.; Leontie, Liviu; Soldea, Camelia

doi:10.1016/0300-9440(96)80998-2

Cited by 32 publications

(8 citation statements)

References 12 publications

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“…[11,31,37,38] In the temperature range T = 300 K-475 K, the Seebeck coefficient was found to be positive and to decrease with increasing temperature within the intrinsic conduction domain, (T > T c ) (Fig. 4).…”

Section: Resultsmentioning

confidence: 90%

“…The Seebeck coefficient, S, was measured by using the sonde-electrode method. [5,6,31,32] In our experiments the temperature difference between sondes, T = T 2 − T 1 , was chosen as 10 K-15 K.…”

Section: Sample Preparation Measurementsmentioning

confidence: 99%

“…The experimental arrangement used for the study of temperature dependence of σ , was similar to that described in Refs. [5,9,30,31]. The Seebeck coefficient, S, was measured by using the sonde-electrode method.…”

Section: Sample Preparation Measurementsmentioning

confidence: 99%

See 2 more Smart Citations

On the Electrical and Optical Properties of Some Poly(Azomethine Sulfone)s in Thin Films

Rusu

Airinei²,

Marin³

et al. 2011

Journal of Macromolecular Science, Part B

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Poly(azomethine sulfone)s were synthesized by reacting 4,4 -sulfonyl bis(4-chlorophenyl) with 2, 2-bis(4-hydroxyphenyl)propane and azomethine bisphenol in different molar ratios. Thin films were deposited from solution onto glass substrates. Study of the temperature dependences of the electrical conductivity, σ , and Seebeck coefficient, S, were performed in the temperature range 300 K-500 K. Thermal activation energies of electrical conduction, E a , calculated from these dependences, ranged between 1.50 eV and 1.85 eV. The values of E a were smaller for polymers with extended conjugation systems. The possibility to use the polymers in thermistor technology is discussed. The aspect of the temperature dependences of σ and S shows that a model based on the energy band-gap representation can be successfully used for explaining the electronic transport mechanism in the higher temperature range. In the lower temperature range, the mechanism of the electrical conduction is discussed in terms of the Mott variable range hopping conduction. The values of some optical parameters (absorption coefficient, optical band gap, etc.) were determined from transmission spectra.

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Section: Resultsmentioning

confidence: 90%

Section: Sample Preparation Measurementsmentioning

confidence: 99%

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On the Electrical and Optical Properties of Some Poly(Azomethine Sulfone)s in Thin Films

Rusu

Airinei²,

Marin³

et al. 2011

Journal of Macromolecular Science, Part B

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“…were established in order to obtain homogeneous samples of a uniform thickness over sufficiently large areas of the substrates. [9,10,20] The substrate temperature during the film growth was about 330 K.…”

Section: Study Of the Electronic Transport Propertiesmentioning

confidence: 99%

“…[12,20,22] Silver films (d ¼ 1.20-1.50 mm) were used as electrodes (ohmic contacts). They were deposited (by thermal evaporation under vacuum) onto the substrate before the deposition of the polymer films.…”

Section: Caplanus Et Al 728mentioning

confidence: 99%

Studies on the Electronic Transport Properties of some New Chelate Compounds Containing Siloxane

Caplanus

Marcu²,

Cazacu³

et al. 2005

Journal of Macromolecular Science, Part B

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The temperature dependence of the electrical conductivity and the Seebeck coefficient of some new complex polymeric structures containing metal chelate sequences alternating with silane units were studied. The measurements were performed using thin films deposited from solution. The investigated polymers have interesting semiconducting characteristics. The correlations between these characteristics and the molecular structure of the respective polymers are discussed.

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Electric and optical properties of some new functional lower-rim-substituted calixarene derivatives in thin films

et al. 2018

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Electrical characteristics of some derivatives of p-aminobenzoic acid in thin films

Cited by 32 publications

References 12 publications

On the Electrical and Optical Properties of Some Poly(Azomethine Sulfone)s in Thin Films

On the Electrical and Optical Properties of Some Poly(Azomethine Sulfone)s in Thin Films

Studies on the Electronic Transport Properties of some New Chelate Compounds Containing Siloxane

Electric and optical properties of some new functional lower-rim-substituted calixarene derivatives in thin films

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