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Article

Micro Flowers of SrS/Bi2S3 Nanocomposite and Its Field Emission Properties

1
Centre for Materials for Electronics Technology (C-MET), Ministry of Electronics and Information Technology (MeitY), Government of India, Panchawati Off Pashan Road, Pune 411008, India
2
Department of Physics, Savitribai Phule Pune University, Pune 411007, India
*
Author to whom correspondence should be addressed.
J. Compos. Sci. 2019, 3(4), 105; https://doi.org/10.3390/jcs3040105
Received: 17 September 2019 / Revised: 14 November 2019 / Accepted: 26 November 2019 / Published: 3 December 2019
(This article belongs to the Special Issue Feature Papers in Journal of Composites Science in 2019)
The three-dimensional hierarchical SrS/Bi2S3 heterostructures were synthesized by a template-free single-step hydrothermal method. The structural and morphological studies revealed the formation of a single crystalline orthorhombic heterostructure with rod-like morphologies possessing a high aspect ratio. The field emission properties of SrS/Bi2S3 nanorods were investigated. J–E and the Fowler–Nordheim (F–N) plot, as well as long-term field emission (FE) stability, were studied. SrS/Bi2S3 nanoflowers have enhanced the FE properties more than the virgin Bi2S3. The observed values of the re-producible turn-on field for SrS/Bi2S3 defined to draw an emission current density of ca. 1 µA/cm2 were found to be ca. 2.50 V/µm, and of the threshold field to draw a current density of ca. 10 µA/cm2 were found to be ca. 3.00 V/µm (without visible light illumination). A maximum emission current density of ca. 527 μA/cm2 was drawn without light and a current density of ca. 1078 μA/cm2 with light, which is higher than that of pristine Bi2S3. View Full-Text
Keywords: field emission; SrS/Bi2S3; hydrothermal method field emission; SrS/Bi2S3; hydrothermal method
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MDPI and ACS Style

Gunjal, A.R.; Chothe, U.P.; Sethi, Y.A.; Panmand, R.P.; Ambekar, J.D.; Kulkarni, M.V.; More, M.A.; Kale, B.B. Micro Flowers of SrS/Bi2S3 Nanocomposite and Its Field Emission Properties. J. Compos. Sci. 2019, 3, 105. https://doi.org/10.3390/jcs3040105

AMA Style

Gunjal AR, Chothe UP, Sethi YA, Panmand RP, Ambekar JD, Kulkarni MV, More MA, Kale BB. Micro Flowers of SrS/Bi2S3 Nanocomposite and Its Field Emission Properties. Journal of Composites Science. 2019; 3(4):105. https://doi.org/10.3390/jcs3040105

Chicago/Turabian Style

Gunjal, Aarti R.; Chothe, Ujjwala P.; Sethi, Yogesh A.; Panmand, Rajendra P.; Ambekar, Jalinder D.; Kulkarni, Milind V.; More, Mahendra A.; Kale, Bharat B. 2019. "Micro Flowers of SrS/Bi2S3 Nanocomposite and Its Field Emission Properties" J. Compos. Sci. 3, no. 4: 105. https://doi.org/10.3390/jcs3040105

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