Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Volume 29, Issue 12, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979215500666
Keywords
Electrospinning; BTO; parallel nanofibers; calcination processes
Funding
- National Natural Science Foundation of China [11004114, 11074138, 51373082]
- Taishan Scholars Program of Shandong Province, China [ts20120528]
- Natural Science Foundation of Shandong Province for Distinguished Young Scholars [JQ201103]
- National Key Basic Research Development Program of China [2012CB722705]
- Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province
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Barium titanate (BTO) nanofibers were synthesized by electrospinning and followed calcination. The morphologies and microstructures of the nanofibers were characterized by X-ray diffractometer (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Calcinating temperature and process greatly influenced the surface morphology of the nanofibers. In addition, parallel BTO nanofibers were also successfully produced by a centrifugal electrospinning technique. And the humidity sensing properties of the nanofibers were measured. The results showed an ultrafast response time (similar to 0.5 s) and a recovery time (similar to 0.4 s) to humidity at room temperature, which revealed excellent humidity sensitivity performance.
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