Polarization-Resolved Position-Sensitive Self-Powered Binary Photodetection in Multilayer Janus CrSBr
Recent progress in polarization-resolved photodetection based on low-symmetry 2D materials has formed the basis of cutting-edge optoelectronic devices, including quantum optical communication, 3D image processing, and sensing applications. Here, we report an optical polarization-resolving photodetector (PD) fabricated from multilayer semiconducting CrSBr single crystals with high structural anisotropy. We have demonstrated self-powered photodetection due to the formation of Schottky junctions at the Au-CrSBr interfaces, which also caused the photocurrent to display a position-sensitive and binary nature. The self-biased CrSBr PD showed a photoresponsivity of ∼0.26 mA/W with a detectivity of 3.4 × 108 Jones at 514 nm excitation of fluency (0.42 mW/cm2) under ambient conditions. The optical polarization-induced photoresponse exhibits a large dichroic ratio of 3.4, while the polarization is set along the a- and the b-axes of single-crystalline CrSBr. The PD also showed excellent stability, retaining >95% of the initial photoresponsivity in ambient conditions for more than five months without encapsulation. Thus, we demonstrate CrSBr as a fascinating material for ultralow-powered optical polarization-resolving optoelectronic devices for cutting-edge technology.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:16 |
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| Enthalten in: |
ACS applied materials & interfaces - 16(2024), 1 vom: 10. Jan., Seite 1033-1043 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Panda, Jaganandha [VerfasserIn] |
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| Links: |
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| Themen: |
CrSBr |
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| Anmerkungen: |
Date Revised 17.01.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/acsami.3c13552 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Recent progress in polarization-resolved photodetection based on low-symmetry 2D materials has formed the basis of cutting-edge optoelectronic devices, including quantum optical communication, 3D image processing, and sensing applications. Here, we report an optical polarization-resolving photodetector (PD) fabricated from multilayer semiconducting CrSBr single crystals with high structural anisotropy. We have demonstrated self-powered photodetection due to the formation of Schottky junctions at the Au-CrSBr interfaces, which also caused the photocurrent to display a position-sensitive and binary nature. The self-biased CrSBr PD showed a photoresponsivity of ∼0.26 mA/W with a detectivity of 3.4 × 108 Jones at 514 nm excitation of fluency (0.42 mW/cm2) under ambient conditions. The optical polarization-induced photoresponse exhibits a large dichroic ratio of 3.4, while the polarization is set along the a- and the b-axes of single-crystalline CrSBr. The PD also showed excellent stability, retaining >95% of the initial photoresponsivity in ambient conditions for more than five months without encapsulation. Thus, we demonstrate CrSBr as a fascinating material for ultralow-powered optical polarization-resolving optoelectronic devices for cutting-edge technology | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CrSBr | |
| 650 | 4 | |a Janus 2D layer | |
| 650 | 4 | |a optical polarization detection | |
| 650 | 4 | |a position sensitivity | |
| 650 | 4 | |a self-powered photodetector | |
| 700 | 1 | |a Sahu, Satyam |e verfasserin |4 aut | |
| 700 | 1 | |a Haider, Golam |e verfasserin |4 aut | |
| 700 | 1 | |a Thakur, Mukesh Kumar |e verfasserin |4 aut | |
| 700 | 1 | |a Mosina, Kseniia |e verfasserin |4 aut | |
| 700 | 1 | |a Velický, Matěj |e verfasserin |4 aut | |
| 700 | 1 | |a Vejpravova, Jana |e verfasserin |4 aut | |
| 700 | 1 | |a Sofer, Zdeněk |e verfasserin |4 aut | |
| 700 | 1 | |a Kalbáč, Martin |e verfasserin |4 aut | |
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