Surfactants and amino acids in the control of nanotubular morphology of polypyrrole and their effect on the conductivity

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F20%3A00522423" target="_blank" >RIV/61389013:_____/20:00522423 - isvavai.cz</a>

Výsledek na webu

<a href="https://link.springer.com/article/10.1007%2Fs00396-020-04607-6" target="_blank" >https://link.springer.com/article/10.1007%2Fs00396-020-04607-6</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s00396-020-04607-6" target="_blank" >10.1007/s00396-020-04607-6</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Surfactants and amino acids in the control of nanotubular morphology of polypyrrole and their effect on the conductivity

Popis výsledku v původním jazyce

Polypyrrole nanotubes were prepared by the oxidation of pyrrole in aqueous solutions of methyl orange and in the presence of 1–5 wt% of surface-active additives, surfactants, or amino acids. Three types of additives – anionic, non-ionic, and cationic – have been tested in the control of polypyrrole morphology and conductivity. The morphology of nanotubes was little dependent on surfactant type but the changes in size and aspect ratios were more pronounced with amino acids. Except for anionic surfactant, bis(2-ethylhexyl) sulfosuccinate, which behaved indifferently, all additives reduced the conductivity of polypyrrole, some even by four orders of magnitude. Based on FTIR spectroscopy, it is proposed that the hydrophobic interactions and/or hydrogen bonding between the additives and growing polypyrrole chains play the important role in reducing chain ordering, while the ionic interactions have limited effect.

Název v anglickém jazyce

Surfactants and amino acids in the control of nanotubular morphology of polypyrrole and their effect on the conductivity

Popis výsledku anglicky

Polypyrrole nanotubes were prepared by the oxidation of pyrrole in aqueous solutions of methyl orange and in the presence of 1–5 wt% of surface-active additives, surfactants, or amino acids. Three types of additives – anionic, non-ionic, and cationic – have been tested in the control of polypyrrole morphology and conductivity. The morphology of nanotubes was little dependent on surfactant type but the changes in size and aspect ratios were more pronounced with amino acids. Except for anionic surfactant, bis(2-ethylhexyl) sulfosuccinate, which behaved indifferently, all additives reduced the conductivity of polypyrrole, some even by four orders of magnitude. Based on FTIR spectroscopy, it is proposed that the hydrophobic interactions and/or hydrogen bonding between the additives and growing polypyrrole chains play the important role in reducing chain ordering, while the ionic interactions have limited effect.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10404 - Polymer science

Projekt

<a href="/cs/project/GA17-04109S" target="_blank" >GA17-04109S: Materiály na bázi vodivých polymerů a jejich studium pokročilými spektroskopickými metodami</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Colloid and Polymer Science

ISSN

0303-402X

e-ISSN

—

Svazek periodika

298

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

7

Strana od-do

319-325

Kód UT WoS článku

000514975600011

EID výsledku v databázi Scopus

2-s2.0-85079415650