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Пуд Аркадійович

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Research paper thumbnail of On the importance of interface interactions in core-shell nanocomposites of intrinsically conducting polymers

Semiconductor physics, quantum electronics and optoelectronics, 2019

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Research paper thumbnail of Ammonia/amine electronic gas sensors based on hybrid polyaniline–TiO 2 nanocomposites. The effects of titania and the surface active doping acid

RSC Adv., 2015

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Research paper thumbnail of The PANI-DBSA content and dispersing solvent as influencing parameters in sensing performances of TiO2/PANI-DBSA hybrid nanocomposites to ammonia

RSC Adv., 2016

We demonstrate here strong influences of the content of polyaniline (PANI) doped with dodecylbenz... more We demonstrate here strong influences of the content of polyaniline (PANI) doped with dodecylbenzenesulfonic acid (DBSA) and the nature of dispersing solvents chlorobenzene (CB) and dichloroacetic acid (DCAA) on the morphology and sensing properties of TiO2/PANI-DBSA hybrid nanocomposite layers cast on transducer electrodes. The obtained results evidence that these effects are caused by the solubility of the PANI component of the synthesized nanocomposites in the solvents and the boiling temperature of the latter. To estimate a quantitative effect of PANI, we used the real contents of the PANI-DBSA component/phase determined from the PANI polymerization yield. The highest magnitudes and rates of the sensor responses to gaseous ammonia are shown by the nanocomposite layer with an intermediate PANI-DBSA content (18.9 wt%) and cast from the nanocomposite dispersion in CB. We explain this effect by the specific morphology of the layer, which appears to be due to the poor solubility of t...

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Research paper thumbnail of New nanocomposites of polystyrene with polyaniline doped with lauryl sulfuric acid

Nanoscale Research Letters

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Research paper thumbnail of On the importance of interface interactions in core-shell nanocomposites of intrinsically conducting polymers

SPQEO, 2019

In this mini-review, we address the importance of specific interactions in core-shell structures ... more In this mini-review, we address the importance of specific interactions in core-shell structures composed with intrinsically conducting polymers (ICPs) as a shell and various nanoparticles used as a core. These interactions that can appear during the polymerization process of corresponding monomers or in the course of subsequent treatments of already formed core-shell nanocomposites play a crucial role in determining their structure and unique physical properties. They also lead to significant differences in molecular weight, structure, oxidation state, electronic properties, thermal stability and other properties of synthesized ICP shells in comparison to their pure state when polymerization proceeds without a template. This work was reported on the joint Ukrainian-Japan workshop in the V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine on 23rd December 2018.

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Research paper thumbnail of Ammonia/amine electronic gas sensors based on hybrid polyaniline–TiO 2 nanocomposites. The effects of titania and the surface active doping acid

RSC Adv., 2015

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Research paper thumbnail of On the importance of interface interactions in core-shell nanocomposites of intrinsically conducting polymers

Semiconductor physics, quantum electronics and optoelectronics, 2019

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Research paper thumbnail of Ammonia/amine electronic gas sensors based on hybrid polyaniline–TiO 2 nanocomposites. The effects of titania and the surface active doping acid

RSC Adv., 2015

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Research paper thumbnail of The PANI-DBSA content and dispersing solvent as influencing parameters in sensing performances of TiO2/PANI-DBSA hybrid nanocomposites to ammonia

RSC Adv., 2016

We demonstrate here strong influences of the content of polyaniline (PANI) doped with dodecylbenz... more We demonstrate here strong influences of the content of polyaniline (PANI) doped with dodecylbenzenesulfonic acid (DBSA) and the nature of dispersing solvents chlorobenzene (CB) and dichloroacetic acid (DCAA) on the morphology and sensing properties of TiO2/PANI-DBSA hybrid nanocomposite layers cast on transducer electrodes. The obtained results evidence that these effects are caused by the solubility of the PANI component of the synthesized nanocomposites in the solvents and the boiling temperature of the latter. To estimate a quantitative effect of PANI, we used the real contents of the PANI-DBSA component/phase determined from the PANI polymerization yield. The highest magnitudes and rates of the sensor responses to gaseous ammonia are shown by the nanocomposite layer with an intermediate PANI-DBSA content (18.9 wt%) and cast from the nanocomposite dispersion in CB. We explain this effect by the specific morphology of the layer, which appears to be due to the poor solubility of t...

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Research paper thumbnail of New nanocomposites of polystyrene with polyaniline doped with lauryl sulfuric acid

Nanoscale Research Letters

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Research paper thumbnail of On the importance of interface interactions in core-shell nanocomposites of intrinsically conducting polymers

SPQEO, 2019

In this mini-review, we address the importance of specific interactions in core-shell structures ... more In this mini-review, we address the importance of specific interactions in core-shell structures composed with intrinsically conducting polymers (ICPs) as a shell and various nanoparticles used as a core. These interactions that can appear during the polymerization process of corresponding monomers or in the course of subsequent treatments of already formed core-shell nanocomposites play a crucial role in determining their structure and unique physical properties. They also lead to significant differences in molecular weight, structure, oxidation state, electronic properties, thermal stability and other properties of synthesized ICP shells in comparison to their pure state when polymerization proceeds without a template. This work was reported on the joint Ukrainian-Japan workshop in the V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine on 23rd December 2018.

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Research paper thumbnail of Ammonia/amine electronic gas sensors based on hybrid polyaniline–TiO 2 nanocomposites. The effects of titania and the surface active doping acid

RSC Adv., 2015

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