Energy harvesting from nanofibers of hybrid organic ferroelectric dabcoHReO(4)


We report excellent piezoelectric and pyroelectric properties of electrospun nanofibers based on the hybrid ferroelectric 1,4-diazabicyclo[2.2.2]octane perrhenate (dabcoHReO(4)). Ferroelectric nanoparticles are embedded into the fibers being naturally aligned with the major polarization component along the fiber axis. A flexible piezoelectric nanogenerator consisting of an aligned array of dabcoHReO(4) fibers provides a voltage above 100 mV under a moderate strain level. The pyroelectric coefficient in as-electrospun dabcoHReO(4) fiber mat is similar to that in poled polyvinylidene difluoride nanofibers. The results show that the nanofibers based on dabcoHReO(4) have a great potential for pyroelectric and piezoelectric autonomous energy harvesting with natural advantages such as biocompatibility, flexibility, low cost, and easy fabrication. (C) 2014 AIP Publishing LLC.



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Isakov, D; Gomes, ED; Almeida, B; Kholkin, AL; Zelenovskiy, P; Neradovskiy, M; Shur, VY

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This work was financially supported by the European Regional Development Fund (ERDF) through Programa Operacional Factores de Competitividade (COMPETE: FCOMP-01-0124-FEDER-014628, FCOMP-01-0124-FEDER-009457) and the Portugal Fundacao para a Ciencia e Tecnologia (PTDC/CTMNAN/114269/2009) and was partly supported by the FCT Grant Pest-C/CTM/LA0011/013 and by RFBR (Grant No. 13-02-90925). The equipment of the Ural Center for shared use

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