Wang, Yonggui ; Yadav, Sandeep ; Heinlein, Thorsten ; Konjik, Valentino ; Breitzke, Hergen ; Buntkowsky, Gerd ; Schneider, Jörg J. ; Zhang, Kai (2021)
Ultra-light nanocomposite aerogels of bacterial cellulose and reduced graphene oxide for specific absorption and separation of organic liquids.
In: RSC Advances, 4 (41)
doi: 10.26083/tuprints-00018897
Article, Secondary publication, Publisher's Version
Abstract
Novel materials based on sustainable materials with high absorption capacity are still rare for the separation of organic liquids or oil spills and water. In this report, ultra-light nanocomposite aerogels consisting of sustainable bacterial cellulose (BC) and graphene oxide (GO) were constructed after an eco-friendly freeze-drying process for the first time. Due to the hydrophilic properties of both materials and the highly porous structure, BC/GO aerogels could highly absorb not only organic liquids, such as cyclohexane and DMF, but also water. Specific absorption for organic liquids was achieved after the reduction of GO using H₂ gas, which led to nanocomposite aerogels of BC and reduced GO. They could specifically absorb 135–150 g organic liquids per g of their own weight, even with a high content of 80% BC in the nanocomposite aerogel.
| Item Type: | Article |
|---|---|
| Erschienen: | 2021 |
| Creators: | Wang, Yonggui ; Yadav, Sandeep ; Heinlein, Thorsten ; Konjik, Valentino ; Breitzke, Hergen ; Buntkowsky, Gerd ; Schneider, Jörg J. ; Zhang, Kai |
| Type of entry: | Secondary publication |
| Title: | Ultra-light nanocomposite aerogels of bacterial cellulose and reduced graphene oxide for specific absorption and separation of organic liquids |
| Language: | English |
| Date: | 2021 |
| Publisher: | Royal Society of Chemistry (RSC) |
| Journal or Publication Title: | RSC Advances |
| Volume of the journal: | 4 |
| Issue Number: | 41 |
| DOI: | 10.26083/tuprints-00018897 |
| URL / URN: | https://tuprints.ulb.tu-darmstadt.de/18897 |
| Corresponding Links: | |
| Origin: | Secondary publication service |
| Abstract: | Novel materials based on sustainable materials with high absorption capacity are still rare for the separation of organic liquids or oil spills and water. In this report, ultra-light nanocomposite aerogels consisting of sustainable bacterial cellulose (BC) and graphene oxide (GO) were constructed after an eco-friendly freeze-drying process for the first time. Due to the hydrophilic properties of both materials and the highly porous structure, BC/GO aerogels could highly absorb not only organic liquids, such as cyclohexane and DMF, but also water. Specific absorption for organic liquids was achieved after the reduction of GO using H₂ gas, which led to nanocomposite aerogels of BC and reduced GO. They could specifically absorb 135–150 g organic liquids per g of their own weight, even with a high content of 80% BC in the nanocomposite aerogel. |
| Status: | Publisher's Version |
| URN: | urn:nbn:de:tuda-tuprints-188979 |
| Additional Information: | Supplements: 1 Textdokument, 7 Videos |
| Classification DDC: | 500 Naturwissenschaften und Mathematik > 540 Chemie |
| Divisions: | 07 Department of Chemistry 07 Department of Chemistry > Physical Chemistry |
| Date Deposited: | 16 Sep 2021 12:50 |
| Last Modified: | 20 Sep 2021 05:28 |
| PPN: | |
| Corresponding Links: | |
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