Multifunctional n-ZnO/MoO3/PEDOT:PSS-based hybrid device for high-speed UV light detection and ReRAM applications.
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| Title: | Multifunctional n-ZnO/MoO |
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| Authors: | Rasool, Asif1 (AUTHOR), Amiruddin, R.1 (AUTHOR) amirphy9@yahoo.com, Kossar, Shahnaz1 (AUTHOR), Kumar, MC Santhosh2 (AUTHOR) |
| Source: | Journal of Materials Science: Materials in Electronics. Feb2022, Vol. 33 Issue 4, p2090-2100. 11p. |
| Subjects: | Cross-sectional method, Anions, Pyrolysis, Fibers |
| Abstract: | The current research work focuses on the realization of n-ZnO/MoO3/PEDOT:PSS-based hybrid device. The fabricated device exhibits multi-task operations, including ultraviolet (UV) light detection and non-volatile resistive switching (RS) memory applications. The optimum n-ZnO and intermediate MoO3layers were deposited using the spray pyrolysis technique at 698 K and 670 K, respectively. Using a spin-coating technique, the PEDOT:PSS layer was deposited at 2000 rpm. The structural analysis and the cross-sectional FESEM analysis of the fabricated device validate the presence of a multi-layered thin-film structure. The current-voltage (I-V), UV photoresponse, and RS behavior of the fabricated n-ZnO/MoO3/PEDOT:PSS-based hybrid device was investigated. The hybrid device shows a higher photoresponsivity (R) value of 0.42 A/W with a fast rise and fall time value measured as 310 ms and 970 ms, respectively. The RS analysis of the fabricated hybrid device shows a stable endurance characteristic for more than 100 cycles. Formation/rupture of conductive filaments using anions (O2−) and cations (Ag+) across the interface of the fabricated hybrid device was proposed as a possible RS mechanism. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | The current research work focuses on the realization of n-ZnO/MoO3/PEDOT:PSS-based hybrid device. The fabricated device exhibits multi-task operations, including ultraviolet (UV) light detection and non-volatile resistive switching (RS) memory applications. The optimum n-ZnO and intermediate MoO3layers were deposited using the spray pyrolysis technique at 698 K and 670 K, respectively. Using a spin-coating technique, the PEDOT:PSS layer was deposited at 2000 rpm. The structural analysis and the cross-sectional FESEM analysis of the fabricated device validate the presence of a multi-layered thin-film structure. The current-voltage (I-V), UV photoresponse, and RS behavior of the fabricated n-ZnO/MoO3/PEDOT:PSS-based hybrid device was investigated. The hybrid device shows a higher photoresponsivity (R) value of 0.42 A/W with a fast rise and fall time value measured as 310 ms and 970 ms, respectively. The RS analysis of the fabricated hybrid device shows a stable endurance characteristic for more than 100 cycles. Formation/rupture of conductive filaments using anions (O2−) and cations (Ag+) across the interface of the fabricated hybrid device was proposed as a possible RS mechanism. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 09574522 |
| DOI: | 10.1007/s10854-021-07414-z |
