| Autor: |
Kumar GS; School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata-700032, India. camsa2@iacs.res.in., Sarkar PK, Pradhan B, Hossain M, Rao KDM, Acharya S |
| Jazyk: |
angličtina |
| Zdroj: |
Nanoscale horizons [Nanoscale Horiz] 2020 Apr 01; Vol. 5 (4), pp. 696-704. Date of Electronic Publication: 2020 Jan 21. |
| DOI: |
10.1039/c9nh00774a |
| Abstrakt: |
Unveiling the transparency and flexibility in perovskite-based photodetectors with superior photoresponse and environmental stability remains an open challenge. Here we report on guanidinium incorporated metal halide perovskite (MA 1-x Gua x PbI 3 , x = 0 to 0.65) random percolative microstructure (RPM) fabrication using an ultra-fast spray coating technique. Remarkably, RPMs over a large area of 5 × 5 cm 2 on flexible substrates with a transparency of ∼50% can be achieved with enriched environmental stability. Transparent photodetectors based on MA 1-x Gua x PbI 3 (x = 0.12) RPMs manifest excellent performance with a responsivity of 187 A W -1 , a detectivity of 2.23 × 10 12 Jones and an external quantum efficiency of 44 115%. Additionally, the photodetectors exhibited superior mechanical flexibility under a wide range of bending angles and large number of binding cycles. Integrating features including transparency, high performance, stability, flexibility and scalability within a photodetector is unmatched and holds potential for novel applications in transparent and wearable optoelectronic devices. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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