Self-Assembly Properties of Amphiphilic Iron(III) Spin Crossover Complexes in Water and at the Air-Water Interface

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F18%3A10389350" target="_blank" >RIV/00216208:11310/18:10389350 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.3390/magnetochemistry4040049" target="_blank" >https://doi.org/10.3390/magnetochemistry4040049</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/magnetochemistry4040049" target="_blank" >10.3390/magnetochemistry4040049</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Self-Assembly Properties of Amphiphilic Iron(III) Spin Crossover Complexes in Water and at the Air-Water Interface

Popis výsledku v původním jazyce

The assembly properties of three known spin crossover iron(III) complexes 1-3, at the air-water interface, are reported. All three complexes are amphiphiles, each bearing a pair of C-n alkyl chains on the polyamino Schiff base sal(2)trien ligand (n = 6, 12, or 18). Complex 1 is water-soluble but complexes 2 and 3 form Langmuir films, and attempts were made to transfer the film of the C-18 complex 3 to a glass surface. The nature of the assembly of more concentrated solutions of 3 in water was investigated by light scattering, cryo-SEM (scanning electron microscopy), and TEM (transmission electron microscopy), all of which indicated nanoparticle formation. Lyophilization of the assembly of complex 3 in water yielded a powder with a markedly different magnetic profile from the powder recovered from the initial synthesis, notably, the spin crossover was almost completely quenched, and the thermal behavior was predominantly low spin, suggesting that nanoparticle formation traps the system in one spin state.

Název v anglickém jazyce

Self-Assembly Properties of Amphiphilic Iron(III) Spin Crossover Complexes in Water and at the Air-Water Interface

Popis výsledku anglicky

The assembly properties of three known spin crossover iron(III) complexes 1-3, at the air-water interface, are reported. All three complexes are amphiphiles, each bearing a pair of C-n alkyl chains on the polyamino Schiff base sal(2)trien ligand (n = 6, 12, or 18). Complex 1 is water-soluble but complexes 2 and 3 form Langmuir films, and attempts were made to transfer the film of the C-18 complex 3 to a glass surface. The nature of the assembly of more concentrated solutions of 3 in water was investigated by light scattering, cryo-SEM (scanning electron microscopy), and TEM (transmission electron microscopy), all of which indicated nanoparticle formation. Lyophilization of the assembly of complex 3 in water yielded a powder with a markedly different magnetic profile from the powder recovered from the initial synthesis, notably, the spin crossover was almost completely quenched, and the thermal behavior was predominantly low spin, suggesting that nanoparticle formation traps the system in one spin state.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název periodika

Magnetochemistry

ISSN

2312-7481

e-ISSN

—

Svazek periodika

4

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

16

Strana od-do

—

Kód UT WoS článku

000456240500008

EID výsledku v databázi Scopus

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