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WO3/NiO composite nanoparticles as promising material for low power UV-light sensor.

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Title: WO3/NiO composite nanoparticles as promising material for low power UV-light sensor.
Authors: Pojar, Thsurhotho1 (AUTHOR) ethothopojar3@gmail.com, Kera, Kevileno1 (AUTHOR) alenokera3@gmail.com, Chetri, Priyanka2 (AUTHOR) priyankachetri17@gmail.com, Kumar, Mritunjay1 (AUTHOR) mritunjay.19february@gmail.com, Dhar, Jay Chandra1 (AUTHOR) jaydhar@gmail.com
Source: Applied Physics A: Materials Science & Processing. Feb2025, Vol. 131 Issue 2, p1-8. 8p.
Subjects: Radiofrequency sputtering, Photodetectors, Detectors, Nanoparticles, Nanocomposite materials
Abstract: In this article, we have demonstrated WO3/NiO nanocomposite (NC) based UV photodetector (PD) synthesized using RF sputtering technique. The fabricated WO3/NiO NC were porous and crystalline in nature with average diameter of ~ 29.8 nm. This fabricated WO3/NiO NC photodetector exhibited a low dark current value of 0.32 µA at -1 V applied bias. Moreover, the device showed high photo sensitivity (36), and responsivity (2.24 mA/W) without any applied bias demonstrating its self-powered application. A high detectivity of 3.82 × Jones along with low noise equivalent power (NEP) of 88 pW at 0 V was obtained under the illumination of UV light. The WO3/NiO NC detector also showed fast switching response with rise time of 0.65 s and fall time of 0.33 s (at 0 V) demonstration its application as a low power photodetector. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: WO<subscript>3</subscript>/NiO composite nanoparticles as promising material for low power UV-light sensor.
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  Data: <searchLink fieldCode="AR" term="%22Pojar%2C+Thsurhotho%22">Pojar, Thsurhotho</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ethothopojar3@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Kera%2C+Kevileno%22">Kera, Kevileno</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alenokera3@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Chetri%2C+Priyanka%22">Chetri, Priyanka</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> priyankachetri17@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Kumar%2C+Mritunjay%22">Kumar, Mritunjay</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mritunjay.19february@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Dhar%2C+Jay+Chandra%22">Dhar, Jay Chandra</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jaydhar@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+A%3A+Materials+Science+%26+Processing%22">Applied Physics A: Materials Science & Processing</searchLink>. Feb2025, Vol. 131 Issue 2, p1-8. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Radiofrequency+sputtering%22">Radiofrequency sputtering</searchLink><br /><searchLink fieldCode="DE" term="%22Photodetectors%22">Photodetectors</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Nanoparticles%22">Nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Nanocomposite+materials%22">Nanocomposite materials</searchLink>
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  Label: Abstract
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  Data: In this article, we have demonstrated WO3/NiO nanocomposite (NC) based UV photodetector (PD) synthesized using RF sputtering technique. The fabricated WO3/NiO NC were porous and crystalline in nature with average diameter of ~ 29.8 nm. This fabricated WO3/NiO NC photodetector exhibited a low dark current value of 0.32 µA at -1 V applied bias. Moreover, the device showed high photo sensitivity (36), and responsivity (2.24 mA/W) without any applied bias demonstrating its self-powered application. A high detectivity of 3.82 × Jones along with low noise equivalent power (NEP) of 88 pW at 0 V was obtained under the illumination of UV light. The WO3/NiO NC detector also showed fast switching response with rise time of 0.65 s and fall time of 0.33 s (at 0 V) demonstration its application as a low power photodetector. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Feb2025
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              Y: 2025
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