Huge electrocaloric effect in Langmuir-Blodgett ferroelectric polymer thin films

Details Huge electrocaloric effect in Langmuir-Blodgett ferroelectric polymer thin films Huge electrocaloric effect in Langmuir-Blodgett ferroelectric polymer thin films

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010njph...12b3035l&link_type=abstract

New Journal of Physics, Volume 12, Issue 2, pp. 023035 (2010).

Physics

6

Scientific paper

In this work, we studied polyvinylidene fluoride (PVDF)-based ferroelectric copolymer and terpolymer films grown, by the Langmuir-Blodgett (LB) technique, on polyimide substrates. The LB technique is believed to improve the film quality, i.e. to confer better crystallinity and less parasitic amorphous phase. As a consequence, a reversible adiabatic temperature change ΔT up to 21 K is demonstrated. The large electrocaloric effects of LB films close to room temperature suggest the potential for applying LB films in cooling systems.

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