Repairing and Preventing Photooxidation of Few-Layer Black Phosphorus with β-Carotene
Few-layer black phosphorus (FLBP), a technologically important 2D material, faces a major hurdle to consumer applications: spontaneous degradation under ambient conditions. Blocking the direct exposure of FLBP to the environment has remained the key strategy to enhance its stability, but this can also limit its utility. In this paper, a more ambitious approach to handling FLBP is reported where not only is FLBP oxidation blocked, but it is also repaired postoxidation. Our approach, inspired by nature, employs the antioxidant molecule β-carotene that protects plants against photooxidative damages to act as a protecting and repairing agent for FLBP. The mechanistic role of β-carotene is established by a suite of spectro-microscopy techniques, in combination with computational studies and biochemical assays. Transconductance studies on FLBP-based field effect transistor (FET) devices further affirm the protective and reparative effects of β-carotene. The outcomes indicate the potential for deploying a plethora of natural antioxidant molecules to enhance the stability of other environmentally sensitive inorganic nanomaterials and expedite their translation for technological and consumer applications.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:17 |
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| Enthalten in: |
ACS nano - 17(2023), 9 vom: 09. Mai, Seite 8083-8097 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Singh, Mandeep [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 10.05.2023 Date Revised 12.05.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acsnano.2c10232 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM355974711 |
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| 520 | |a Few-layer black phosphorus (FLBP), a technologically important 2D material, faces a major hurdle to consumer applications: spontaneous degradation under ambient conditions. Blocking the direct exposure of FLBP to the environment has remained the key strategy to enhance its stability, but this can also limit its utility. In this paper, a more ambitious approach to handling FLBP is reported where not only is FLBP oxidation blocked, but it is also repaired postoxidation. Our approach, inspired by nature, employs the antioxidant molecule β-carotene that protects plants against photooxidative damages to act as a protecting and repairing agent for FLBP. The mechanistic role of β-carotene is established by a suite of spectro-microscopy techniques, in combination with computational studies and biochemical assays. Transconductance studies on FLBP-based field effect transistor (FET) devices further affirm the protective and reparative effects of β-carotene. The outcomes indicate the potential for deploying a plethora of natural antioxidant molecules to enhance the stability of other environmentally sensitive inorganic nanomaterials and expedite their translation for technological and consumer applications | ||
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| 700 | 1 | |a Low, Mei Xian |e verfasserin |4 aut | |
| 700 | 1 | |a Ahmed, Taimur |e verfasserin |4 aut | |
| 700 | 1 | |a Walia, Sumeet |e verfasserin |4 aut | |
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| 700 | 1 | |a Manzorro, Ramón |e verfasserin |4 aut | |
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| 700 | 1 | |a Dominguez-Vera, Jose M |e verfasserin |4 aut | |
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