Abstract
This paper reports the fabrication of vertically oriented BiFeO3 (BFO) nanorods on indium tin oxide/glass substrates through hydrothermal synthesis. Further, their piezotronic, piezophototronic, and piezophotocatalytic properties were analyzed. Various synthesis parameters were examined to modulate the morphology and alignment of BFO nanorods, including the ratios of precursors, the pH values, types of complex agents, and reaction times and temperatures. Transmission electron microscopy results demonstrated single crystallinity of the BFO nanorods. A band gap of approximately 2.3 eV was determined. The piezotronic and piezophototronic properties were observed through facile current–voltage measurement. The extended application of piezophotocatalysis under alternating external stress and visible-light irradiation, to decompose methylene blue solutions, was also ascertained. The piezophotocatalytic efficiency was improved by approximately 30% over photocatalysis in the first 30 min. Both O2 −□and□·OH radicals were crucial for these activities.
| Original language | English |
|---|---|
| Pages (from-to) | 14158-14162 |
| Number of pages | 5 |
| Journal | Ceramics International |
| Volume | 44 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 2018 Aug 15 |
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All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Ceramics and Composites
- Process Chemistry and Technology
- Surfaces, Coatings and Films
- Materials Chemistry
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Hydrothermal fabrication and analysis of piezotronic-related properties of BiFeO3 nanorods. / Arazas, Andrea Pauline Ricasata; Wu, Chia Chen; Chang, Kao-Shuo.
In: Ceramics International, Vol. 44, No. 12, 15.08.2018, p. 14158-14162.Research output: Contribution to journal › Article
TY - JOUR
T1 - Hydrothermal fabrication and analysis of piezotronic-related properties of BiFeO3 nanorods
AU - Arazas, Andrea Pauline Ricasata
AU - Wu, Chia Chen
AU - Chang, Kao-Shuo
PY - 2018/8/15
Y1 - 2018/8/15
N2 - This paper reports the fabrication of vertically oriented BiFeO3 (BFO) nanorods on indium tin oxide/glass substrates through hydrothermal synthesis. Further, their piezotronic, piezophototronic, and piezophotocatalytic properties were analyzed. Various synthesis parameters were examined to modulate the morphology and alignment of BFO nanorods, including the ratios of precursors, the pH values, types of complex agents, and reaction times and temperatures. Transmission electron microscopy results demonstrated single crystallinity of the BFO nanorods. A band gap of approximately 2.3 eV was determined. The piezotronic and piezophototronic properties were observed through facile current–voltage measurement. The extended application of piezophotocatalysis under alternating external stress and visible-light irradiation, to decompose methylene blue solutions, was also ascertained. The piezophotocatalytic efficiency was improved by approximately 30% over photocatalysis in the first 30 min. Both O2 −□and□·OH radicals were crucial for these activities.
AB - This paper reports the fabrication of vertically oriented BiFeO3 (BFO) nanorods on indium tin oxide/glass substrates through hydrothermal synthesis. Further, their piezotronic, piezophototronic, and piezophotocatalytic properties were analyzed. Various synthesis parameters were examined to modulate the morphology and alignment of BFO nanorods, including the ratios of precursors, the pH values, types of complex agents, and reaction times and temperatures. Transmission electron microscopy results demonstrated single crystallinity of the BFO nanorods. A band gap of approximately 2.3 eV was determined. The piezotronic and piezophototronic properties were observed through facile current–voltage measurement. The extended application of piezophotocatalysis under alternating external stress and visible-light irradiation, to decompose methylene blue solutions, was also ascertained. The piezophotocatalytic efficiency was improved by approximately 30% over photocatalysis in the first 30 min. Both O2 −□and□·OH radicals were crucial for these activities.
UR - http://www.scopus.com/inward/record.url?scp=85046688646&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85046688646&partnerID=8YFLogxK
U2 - 10.1016/j.ceramint.2018.05.017
DO - 10.1016/j.ceramint.2018.05.017
M3 - Article
AN - SCOPUS:85046688646
VL - 44
SP - 14158
EP - 14162
JO - Ceramics International
JF - Ceramics International
SN - 0272-8842
IS - 12
ER -