Fabrication of 3D Graphene-Silk Elastic Aerogels for Sustainable and Efficient Removal of Organic Dyes from an Aqueous Medium

Water pollution by dyes is a serious environmental issue of modern society that needs to be addressed effectively. Herein, a promising adsorbent, i.e., 3D composite aerogel, was developed by using reduced graphene oxide and silk fibroin (rGO-SF) via hydrothermal and freeze-drying techniques. The eff...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 41(2025), 7 vom: 25. Feb., Seite 4594-4604
1. Verfasser: Jadoon, Aniqa (VerfasserIn)
Weitere Verfasser: Xiao, Weiqi, Gao, Yu, Tang, Junwen, Gao, Wen, Zhao, Yuzhou, Ma, Xiaolong, Cai, Xiaoming, Cai, Jinming
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2025
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Water pollution by dyes is a serious environmental issue of modern society that needs to be addressed effectively. Herein, a promising adsorbent, i.e., 3D composite aerogel, was developed by using reduced graphene oxide and silk fibroin (rGO-SF) via hydrothermal and freeze-drying techniques. The efficiency of the prepared aerogel toward methylene blue (MB) dye adsorption was explored in batch adsorption experiments. A study revealed the adsorption capacity of rGO-SF120 as 249.89 mg/g toward methylene blue (MB) dye. The aerogel also selectively adsorbs MB over other dyes, such as rhodamine B (RhB) and methylene orange (MO). The adsorption process was mainly chemical (as data fitted well to both pseudo-second-order and Elovich kinetic models) and followed the Langmuir model, indicating that it formed a single layer of dye on its surface. Overall, the rGO-SF120 aerogel is an effective and potential candidate for treating dye-loaded water with high efficiency 
650 4 |a Journal Article 
700 1 |a Xiao, Weiqi  |e verfasserin  |4 aut 
700 1 |a Gao, Yu  |e verfasserin  |4 aut 
700 1 |a Tang, Junwen  |e verfasserin  |4 aut 
700 1 |a Gao, Wen  |e verfasserin  |4 aut 
700 1 |a Zhao, Yuzhou  |e verfasserin  |4 aut 
700 1 |a Ma, Xiaolong  |e verfasserin  |4 aut 
700 1 |a Cai, Xiaoming  |e verfasserin  |4 aut 
700 1 |a Cai, Jinming  |e verfasserin  |4 aut 
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