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Li M, Kong F, Li L, et al. Synthesis, field-emission and electric properties of metastable phase VO2 (A) ultra-long nanobelts. Dalton Trans. 2011;40(41):10961-5doi: 10.1039/c1dt10941c.
Li, M., Kong, F., Li, L., Zhang, Y., Chen, L., Yan, W., & Li, G. (2011). Synthesis, field-emission and electric properties of metastable phase VO2 (A) ultra-long nanobelts. Dalton transactions (Cambridge, England : 2003), 40(41), 10961-5. https://doi.org/10.1039/c1dt10941c
Li, Ming, et al. "Synthesis, field-emission and electric properties of metastable phase VO2 (A) ultra-long nanobelts." Dalton transactions (Cambridge, England : 2003) vol. 40,41 (2011): 10961-5. doi: https://doi.org/10.1039/c1dt10941c
Li M, Kong F, Li L, Zhang Y, Chen L, Yan W, Li G. Synthesis, field-emission and electric properties of metastable phase VO2 (A) ultra-long nanobelts. Dalton Trans. 2011 Nov 07;40(41):10961-5. doi: 10.1039/c1dt10941c. Epub 2011 Sep 14. PMID: 21918759.
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Dalton Trans. 2011 Nov 07;40(41):10961-5. doi: 10.1039/c1dt10941c. Epub 2011 Sep 14.

Synthesis, field-emission and electric properties of metastable phase VO2 (A) ultra-long nanobelts.

Dalton transactions (Cambridge, England : 2003)

Ming Li, Fengyu Kong, Liang Li, Yunxia Zhang, Li Chen, Weiwei Yan, Guanghai Li

Affiliations

  1. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, P.R. China.

PMID: 21918759 DOI: 10.1039/c1dt10941c

Abstract

High quality single crystalline metastable phase VO(2) (A) ultra-long nanobelts were synthesized by hydrothermal method using inorganic V(2)O(5) sol as precursor and polyethylene glycol (PEG) as both surfactant and reducing agent. It was found that the oriented attach growth mechanism is responsible for the formation of VO(2) (A) nanobelts. In addition to an endothermic peak, an unusual exothermic peak was detected in DSC curve of the nanobelts. The temperature dependence of the lattice parameters have been studied, and it was found that the a-axis expands while the c-axis contracts in the high-temperature XRD test. The VO(2) (A) nanobelt has a low turn-on field of 3.8 V μm(-1) and a high field enhancement factor of 1739 in the field emission measurement. Electrical transport measurement of a single VO(2) (A) nanobelt gives a relative low hoping activation energy of 0.28 eV.

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