Efficiently two-stage synthesis and characterization of CuSe/Polypyrrole composite thin films

Firat, Y.E.; Peksöz, Ahmet

doi:10.1016/j.jallcom.2017.08.095

Cited by 29 publications

(17 citation statements)

References 37 publications

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“…The peak located at 3430 cm −1 corresponds to the stretching and bending modes of water molecules and ─OH bands, which may come from the raw materials during the preparation. 48,63,71,72 The peaks near 668 and 556 cm −1 indicate the presence of a little of Fe 3+ in the sample, consistent with the result of XPS analysis. 48,70 The peaks at 1162, 1072, and 881 cm −1 are ascribed to stretching vibration of the C─N and C─N + groups; on the other hand, the peaks at 2925 cm −1 (N─H), 1545 cm −1 (C═C), 1440 cm −1 (C─C), 1209 cm −1 (C─C), 987 cm −1 (C═C), 828 cm −1 (C─H), and 779 cm -1 (C─H) are attributed to PPy stretching modes.…”

Section: Resultssupporting

confidence: 81%

“…48,70 The peaks at 1162, 1072, and 881 cm −1 are ascribed to stretching vibration of the C─N and C─N + groups; on the other hand, the peaks at 2925 cm −1 (N─H), 1545 cm −1 (C═C), 1440 cm −1 (C─C), 1209 cm −1 (C─C), 987 cm −1 (C═C), 828 cm −1 (C─H), and 779 cm -1 (C─H) are attributed to PPy stretching modes. 48,63,71,72 The peaks near 668 and 556 cm −1 indicate the presence of a little of Fe 3+ in the sample, consistent with the result of XPS analysis. 73 The Raman spectra of PCP and pure PPy particles exhibits the characteristic Raman shifts of PPy as shown in Figure 2A, such as 1592, 1497, 1376, 1239, 1088, 973, and 937 cm −1 .…”

Section: Resultssupporting

confidence: 81%

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In situ chemo‐polymerized polypyrrole‐coated filter paper for high‐efficient solar vapor generation

et al. 2019

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It is well recognized that combining nonpotable water with solar energy to desalinate water and produce water vapor is an effective route to solve the shortage of fresh water. However, the solar vapor generation suffers from either low solar energy efficiency or complex and high-cost devices. Herein, we explore a black membrane based on polypyrrole (PPy) and filter paper to enhance solar-to-vapor conversion performance, thus providing a low-cost, stable, and strong efficient solar vapor generator. This device displays high solarto-vapor conversion efficiencies of up to approximately 92.2% and 95.6% under irradiation of 1 and 4 kW m −2 , respectively. Therefore, this paper-based high solar-to-vapor conversion and scalable evaporator provides a promising solution to the problem of freshwater scarcity and nonrenewable recourses.

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Section: Resultssupporting

confidence: 81%

Section: Resultssupporting

confidence: 81%

In situ chemo‐polymerized polypyrrole‐coated filter paper for high‐efficient solar vapor generation

et al. 2019

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“…Composing metals with non-metals has been widely applied in various industries. Ni-SiC composites have been used in aerospace industry [57], Ni-Co alloys electrodeposited on graphene oxide films can be [53], with permission from Elsevier used to fabricate supercapacitors [58] and CuSe/polypyrrole composite can be used in solar cells [59]. Further research into the influence of magnetic field on composites could, in the future, contribute to the use of constant magnetic field in nanoelectronics, energy engineering, or biotechnology.…”

Section: Metal-nonmetal Compositesmentioning

confidence: 99%

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

Kołodziejczyk

Miękoś

Zieliński

et al. 2018

J Solid State Electrochem

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The paper presents and summarizes some research on constant magnetic field effects in chemistry. Metals and alloys electrodeposited under constant magnetic field have greater thickness and smoother surface with finest grains. Metallic materials deposited under the influence of uniform magnetic field may have stronger corrosion resistance, than those obtained without the presence of magnetic field. Constant magnetic field also causes an increase of the electropolymerization rate and yield of some organic reactions. Our research also shows that the presence of constant magnetic field affects the electrodeposition process of alloys and their morphology to a great extent. The effects of magnetic field on metals, alloys, composites, polymers and other materials are due to the Lorentz force and the magnetohydrodynamic effect. It is possible that the further development of magnetoelectrodeposition will allow for using the constant magnetic field to improve the properties of metal coatings, alloys, polymers, and other materials in the industry.

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“…In the FTIR spectra of pure PPy, the absorption bands appeared at 1548and 1182 cm –1 are assigned to the stretching and bending vibration of the CC bond and C–N bond, respectively . The weak band located at 1460 cm –1 corresponds to the C–H bending of the symmetric pyrrole ring vibrations, whereas the characteristic peak at 1305 cm –1 is due to the C–C and C–N in-plane deformation modes . The absorption peak detected at 1400 cm –1 refers to the characteristic peak of PPy .…”

Section: Resultsmentioning

confidence: 99%

Low Interfacial Energy Barrier and Improved Thermoelectric Performance in Te-Incorporated Polypyrrole

et al. 2020

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Controlled carrier dynamics and energy band engineering in polymer systems can provide a wider scope for studying the thermoelectric (TE) performance of such systems. With such an objective, polypyrrole (PPy) powders were prepared, incorporating a small amount of tellurium (Te) during the polymerization of pyrrole. The polymerization process was conducted through an oxidative chemical polymerization technique using ammonium peroxydisulfate (APS) as an oxidizing agent. The crystal structure, morphological, optical, and electrical transport properties were studied to explore the possibility of the better performance of PPy as a thermoelectric material when incorporated with Te. Since achieving a high thermo emf at a considerably low temperature difference is of great significance, and the thermoelectric performances of the prepared samples were studied in a 100 °C temperature difference range in this work. A TE power factor of as much as 23.89 μW/mK2 has been recorded for Te-incorporated PPy, which is about 859 times larger than that of pure PPy. This has been achieved by influencing the carrier dynamics in the system mainly in two ways: first, by inducing a carrier-filtering effect acquired by lowering the interfacial energy barrier between the polymer and Te and, second, by improving the carrier transport over the polymer chains with enhanced carrier hopping. As a result, a noticeably improved electrical conductivity of 0.472 S/cm and an exceptionally high Seebeck coefficient of 0.74 mV/°C have been recorded.

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Efficiently two-stage synthesis and characterization of CuSe/Polypyrrole composite thin films

Cited by 29 publications

References 37 publications

In situ chemo‐polymerized polypyrrole‐coated filter paper for high‐efficient solar vapor generation

In situ chemo‐polymerized polypyrrole‐coated filter paper for high‐efficient solar vapor generation

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

Low Interfacial Energy Barrier and Improved Thermoelectric Performance in Te-Incorporated Polypyrrole

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