Scalable Lanthanum Titanate (La2Ti2O7) nanostructures as UV photodetectors
| Autor: | Mohanraj Jagannathan, Durgalakshmi Dhinasekaran, Ajay Rakkesh Rajendran, Josfel Flora John |
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| Rok vydání: | 2021 |
| Předmět: |
Photocurrent
Materials science Nanostructure business.industry Photodetector Condensed Matter Physics Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention law Phase (matter) Optoelectronics Calcination Orthorhombic crystal system Nanorod Electrical and Electronic Engineering Absorption (electromagnetic radiation) business |
| Zdroj: | Journal of Materials Science: Materials in Electronics. 33:9126-9133 |
| ISSN: | 1573-482X 0957-4522 |
| Popis: | Thermally and chemically stable perovskite-like layer structures have attracted extensively in the field of energy and environmental applications. In this study, La2Ti2O7 was synthesized by the solvothermal method at 180 °C. This method provides high pure and homogeneously dispersed nanorods of orthorhombic phase having length of 250 nm and width of 70 nm. Even though this is a low-temperature synthesis method, it yields high crystalline nature after calcination. The novelty of this work is its synthesis methodology by the solvothermal route to achieve lower weight loss of La2Ti2O7. Furthermore, they exhibit narrow absorption in the UV-region from 200 to 350 nm, makes it possible to fabricate it as UV photodetector at ambient condition. In presence of UV illumination at 390 nm, it shows sharp photocurrent response with the decay time of 1.7 s. |
| Databáze: | OpenAIRE |
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