期刊
APPLIED SURFACE SCIENCE
卷 335, 期 -, 页码 208-212出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2015.02.056
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资金
- National Natural Science Foundation of China [51173202, 51203182]
- Hunan Provincial NSFC [13JJ4009]
- Aeronautical Science Foundation of China [2013ZF88007, 20143188004]
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology [KL13-17]
- Key Laboratory of Renewable Energy, Chinese Academy of Sciences [y407k71001]
- Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province
- Aid Program for Innovative Group of National University of Defense Technology
SnO2 nanoparticle chains (SNPCs) were controllably in situ grown on the electrospun SiC ultrathin fibers (SUFs) by a scalable sol-gel-flame method to form a flexible mat. While bulk SnO2 was obtained by relatively slow pyrolysis in conventional horizontal tube furnace. The effect of process parameters on the microstructure and morphology of SNPCs/SUFs mats was discussed. I-V characteristics of the SNPCs/SUFs mats revealed a nonlinear curve, indicating the formation of Schottky-type junctions. The composite fibers mats also exhibited broad and strong emission bands between 400 and 650 nm. This may be attributed to the existence of a large amount of oxygen vacancies and defects in SNPCs caused by the fast pyrolysis process. Such composite fibers mats may have great potentials in high-temperature gas sensors, light-emitting diodes and lithium-ion storages, etc. (C) 2015 Elsevier B.V. All rights reserved.
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