Polyaniline-zirconium phosphonate composites: thermal stability and spectroscopic study

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F20%3A00531066" target="_blank" >RIV/61389013:_____/20:00531066 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216275:25310/20:39916133

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0022369719322437?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0022369719322437?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jpcs.2020.109634" target="_blank" >10.1016/j.jpcs.2020.109634</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Polyaniline-zirconium phosphonate composites: thermal stability and spectroscopic study

Popis výsledku v původním jazyce

Microcomposites of zirconium 4-sulfophenylphosphonate and polyaniline (PANI) and zirconium 4-carboxyphenylphosphonate and PANI were prepared and their thermal decomposition in air and in nitrogen was studied by thermogravimetry. The products of the decomposition of the parent zirconium phosphonates as well as the composites formed with PANI were characterized by energy-dispersive X-ray analysis, elemental analysis, powder X-ray diffraction, IR spectroscopy, and Raman spectroscopy. Heating of the parent hosts and the composites in air to 850 °C leads to their total or almost total conversion to amorphous zirconium diphosphate. In nitrogen, on the other hand, a significant amount of carbon is retained after heating of both the hosts and the composites to 850 °C. The Raman spectra reveal that PANI, which is present as a thin film on the host particles in the starting composites, is converted to a carbon-like material when it is heated in a nitrogen atmosphere. The originally crystalline phosphonates become amorphous after being heated in nitrogen, which means that the heating leads to the destruction of the layered structure of these compounds. IR spectra indicate that the phosphonate particles either in the parent host or in the nanocomposites heated in nitrogen are protected against condensation to zirconium diphosphate.

Název v anglickém jazyce

Polyaniline-zirconium phosphonate composites: thermal stability and spectroscopic study

Popis výsledku anglicky

Microcomposites of zirconium 4-sulfophenylphosphonate and polyaniline (PANI) and zirconium 4-carboxyphenylphosphonate and PANI were prepared and their thermal decomposition in air and in nitrogen was studied by thermogravimetry. The products of the decomposition of the parent zirconium phosphonates as well as the composites formed with PANI were characterized by energy-dispersive X-ray analysis, elemental analysis, powder X-ray diffraction, IR spectroscopy, and Raman spectroscopy. Heating of the parent hosts and the composites in air to 850 °C leads to their total or almost total conversion to amorphous zirconium diphosphate. In nitrogen, on the other hand, a significant amount of carbon is retained after heating of both the hosts and the composites to 850 °C. The Raman spectra reveal that PANI, which is present as a thin film on the host particles in the starting composites, is converted to a carbon-like material when it is heated in a nitrogen atmosphere. The originally crystalline phosphonates become amorphous after being heated in nitrogen, which means that the heating leads to the destruction of the layered structure of these compounds. IR spectra indicate that the phosphonate particles either in the parent host or in the nanocomposites heated in nitrogen are protected against condensation to zirconium diphosphate.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

<a href="/cs/project/GA17-10639S" target="_blank" >GA17-10639S: Nanočástice vybraných vrstevnatých látek jako prekurzory pro nanokompozity a anorganicko-organické hybridní materiály</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

Journal of Physics and Chemistry of Solids

ISSN

0022-3697

e-ISSN

—

Svazek periodika

147

Číslo periodika v rámci svazku

December

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

1-8

Kód UT WoS článku

000567084700002

EID výsledku v databázi Scopus

2-s2.0-85088028682