Impact of nanoconfinement on the diisopropylammonium chloride (C₆H₁₆ClN) organic ferroelectric

ABSTRACT

The dielectric studies of diisopropylammonium chloride (DIPAC) nanoparticles embedded into opal and MCM-41 silica matrices are presented. It is shown that the ferroelectric phase transition shifts to low temperatures and broadens for DIPAC within the opal pores compared to bulk. The thermal hysteresis of the transition increases under opal nanoconfinement. No anomalies of the permittivity relevant to the ferroelectric transition are observed for DIPAC within the MCM-41 molecular sieves likely due to formation of the amorphous phase.

KEYWORDS:

• Diisopropylammonium chloride
• C₆H₁₆ClN
• nanoparticles
• ferroelectric phase transition
• confined geometry
• permittivity

Disclosure statement

No potential conflict of interest was reported by the authors.