Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9494
Title: Electrospun bismuth ferrite nanofibers for potential applications in ferroelectric photovoltaic devices
Authors: Fei, L
Hu, Y
Li, X
Song, R
Sun, L
Huang, H 
Gu, H
Chan, HLW 
Wang, Y 
Keywords: Bismuth ferrite
Electrospinning
Heat treatment
Interdigital electrode
Nanofibers
Photovoltaic
Piezoelectric force microscope
Issue Date: 2015
Publisher: American Chemical Society
Source: ACS applied materials and interfaces, 2015, v. 7, no. 6, p. 3665-3670 How to cite?
Journal: ACS Applied Materials and Interfaces 
Abstract: Bismuth ferrite (BFO) nanofibers were synthesized via a sol-gel-based electrospinning process followed by thermal treatment. The influences of processing conditions on the final structure of the samples were investigated. Nanofibers prepared under optimized conditions were found to have a perovskite structure with good quality of crystallization and free of impurity phase. Ferroelectric and piezoelectric responses were obtained from individual nanofiber measured on a piezoelectric force microscope. A prototype photovoltaic device using laterally aligned BFO nanofibers and interdigital electrodes was developed and its performance was examined on a standard photovoltaic system. The BFO nanofibers were found to exhibit an excellent ferroelectric photovoltaic property with the photocurrent several times larger than the literature data obtained on BFO thin films.
URI: http://hdl.handle.net/10397/9494
ISSN: 1944-8244
DOI: 10.1021/acsami.5b00069
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