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Promising field electron emission performance of vertically aligned one dimensional (1D) brookite (β) TiO<sub>2</sub> nanorods

Promising field electron emission performance of vertically aligned one dimensional (1D) brookite (β) TiO2 nanorods

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Prüfsumme: MD5:7e451bc5e2e18ce64c3d9be4e1298a8e

DEVAN, Rupesh S., Yuan-Ron MA, Mahendra A. MORE, Ruchita T. KHARE, Vivek V. ANTAD, Ranjit A. PATIL, Vishal P. THAKARE, Rajendra S. DHAYAL, Lukas SCHMIDT-MENDE, 2016. Promising field electron emission performance of vertically aligned one dimensional (1D) brookite (β) TiO2 nanorods. In: RSC Advances. 6(101), pp. 98722-98729. eISSN 2046-2069

@article{Devan2016Promi-35972, title={Promising field electron emission performance of vertically aligned one dimensional (1D) brookite (β) TiO2 nanorods}, year={2016}, doi={10.1039/C6RA20747B}, number={101}, volume={6}, journal={RSC Advances}, pages={98722--98729}, author={Devan, Rupesh S. and Ma, Yuan-Ron and More, Mahendra A. and Khare, Ruchita T. and Antad, Vivek V. and Patil, Ranjit A. and Thakare, Vishal P. and Dhayal, Rajendra S. and Schmidt-Mende, Lukas} }

Schmidt-Mende, Lukas Ma, Yuan-Ron Antad, Vivek V. Antad, Vivek V. Thakare, Vishal P. Patil, Ranjit A. Devan, Rupesh S. Promising field electron emission performance of vertically aligned one dimensional (1D) brookite (β) TiO<sub>2</sub> nanorods Khare, Ruchita T. Ma, Yuan-Ron eng Dhayal, Rajendra S. More, Mahendra A. 2016-11-18T14:17:58Z Dhayal, Rajendra S. Devan, Rupesh S. Khare, Ruchita T. 2016 Thakare, Vishal P. 2016-11-18T14:17:58Z More, Mahendra A. We evidence field-electron emission (FE) studies on the large-area array of one-dimensional (1D) brookite (β) TiO<sub>2</sub> nanorods. The pure 1D β-TiO<sub>2</sub> nanorods of 10 nm width and 760 nm long were synthesized on Si substrate utilizing hot-filament metal vapor deposition technique. X-ray diffraction (XRD) and transmission electron microscopy (TEM) analysis evidenced the β-TiO<sub>2</sub> nanorods to be composed of orthorhombic crystals in brookite (β) phase. X-ray photoemission spectroscopy (XPS) revealed the formation of pure stoichiometric (i.e. 1 : 1.98) 1D TiO<sub>2</sub> nanorods. The values of turn-on field, required to draw current density of 10 μA cm<sup>−2</sup>, was observed 3.9 V μm<sup>−1</sup> for pristine 1D β-TiO<sub>2</sub> nanorods emitters, which were found significantly lower than doped/undoped 1D TiO<sub>2</sub> nanostructures (i.e. nanotubes, nanowires, nanorods) based field emitters. The enhanced FE behavior of the TiO<sub>2</sub>/Si emitter can be attributed to modulation of electronic properties due to the high aspect ratio of vertically aligned TiO<sub>2</sub> nanorods. Furthermore, the orthodox emission situation of pristine TiO<sub>2</sub>/Si emitters exhibit good emission stability and reveal their potentials as promising FE material. Schmidt-Mende, Lukas Patil, Ranjit A.

Dateiabrufe seit 18.11.2016 (Informationen über die Zugriffsstatistik)

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