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Título: | Scalable and low-cost fabrication of flexible WS2 photodetectors on polycarbonate |
Autor: | Quereda, Jorge; Kuriakose, Sruthi; Munuera, C. CSIC ORCID ; Mompean, F. J. CSIC ORCID; Al-Enizi, Abdullah M.; Nafady, Ayman; Diez, Enrique; Frisenda, Riccardo; Castellanos-Gómez, Andrés CSIC ORCID | Fecha de publicación: | 21-abr-2022 | Editor: | Nature Publishing Group | Citación: | npj Flexible Electronics 6 (2022) | Resumen: | We present a low-cost and easy-to-implement technique to fabricate large-area WS photodetector devices onto transparent and flexible polycarbonate substrates. The method relies on the deposition of large-area (in the cm scale) thin films (~30 nm thick) of WS by a recently introduced abrasion-induced method. Interdigitated electrical contacts are then deposited by thermal evaporation through a shadow mask. The photodetectors present well-balanced performances with an good trade-off between responsivity (up to 144 mA/W at a source-drain voltage of 10 V and illumination power of 1 μW) and response time (down to ~70 µs) and a detectivity value of 10 Jones. We found that the devices perform very reversibly upon several illumination and straining cycles and we found a moderate device-to-device variation. | Versión del editor: | http://dx.doi.org/10.1038/s41528-022-00157-9 | URI: | http://hdl.handle.net/10261/280797 | DOI: | 10.1038/s41528-022-00157-9 | Identificadores: | doi: 10.1038/s41528-022-00157-9 issn: 2397-4621 |
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