Highly Efficient Photothermal Conversion and Water Transport during Solar Evaporation Enabled by Amorphous Hollow Multishelled Nanocomposites
© 2021 Wiley-VCH GmbH..
Solar evaporation, which enables water purification without consuming fossil fuels, has been considered the most promising strategy to address global scarcity of drinkable water. However, the suboptimal structure and composition designs still result in a trade-off between photothermal conversion, water transport, and tolerance to harsh environments. Here, an ultrastable amorphous Ta2 O5 /C nanocomposite is designed with a hollow multishelled structure (HoMS) for solar evaporation. This HoMS results in highly efficient photoabsorption and photothermal conversion, as well as a decrease of the actual water evaporation enthalpy. A superfast evaporation speed of 4.02 kg m-2 h-1 is achieved. More importantly, a World Health Organization standard drinkable water can be achieved from seawater, heavy-metal- and bacteria-containing water, and even from extremely acidic/alkaline or radioactive water sources. Notably, the concentration of pseudovirus SC2-P can be decreased by 6 orders of magnitude after evaporation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:34 |
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| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - 34(2022), 7 vom: 15. Feb., Seite e2107400 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Xuanbo [VerfasserIn] |
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| Links: |
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| Themen: |
Energy conversion |
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| Anmerkungen: |
Date Revised 17.02.2022 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/adma.202107400 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Solar evaporation, which enables water purification without consuming fossil fuels, has been considered the most promising strategy to address global scarcity of drinkable water. However, the suboptimal structure and composition designs still result in a trade-off between photothermal conversion, water transport, and tolerance to harsh environments. Here, an ultrastable amorphous Ta2 O5 /C nanocomposite is designed with a hollow multishelled structure (HoMS) for solar evaporation. This HoMS results in highly efficient photoabsorption and photothermal conversion, as well as a decrease of the actual water evaporation enthalpy. A superfast evaporation speed of 4.02 kg m-2 h-1 is achieved. More importantly, a World Health Organization standard drinkable water can be achieved from seawater, heavy-metal- and bacteria-containing water, and even from extremely acidic/alkaline or radioactive water sources. Notably, the concentration of pseudovirus SC2-P can be decreased by 6 orders of magnitude after evaporation | ||
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| 650 | 4 | |a nano/microcomposites | |
| 650 | 4 | |a water evaporation | |
| 700 | 1 | |a Yang, Nailiang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yanlei |e verfasserin |4 aut | |
| 700 | 1 | |a He, Hongyan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Jiangyan |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Jiawei |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Hongyu |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Liming |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Ranbo |e verfasserin |4 aut | |
| 700 | 1 | |a Tong, Lianming |e verfasserin |4 aut | |
| 700 | 1 | |a Gu, Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Qihua |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Chunying |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Suojiang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Dan |e verfasserin |4 aut | |
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