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• W2956040402 endingPage "117212" @default.
• W2956040402 startingPage "117212" @default.
• W2956040402 abstract "Abstract Solvent resistant nanofiltration (SRNF) membranes are highly demanded in processing organic solutions especially those contain large molecules with molecular weight between 200 to 2000 Da, yet they have some drawbacks such as relatively poor solvent resistance and low solvent permeance. The current work presented an innovative class of amino-functionalized graphene quantum dots (aGQDs) embedded thin-film nanocomposites (TFN) for SRNF membranes which were prepared via interfacial polymerization (IP) and subsequent steps (chemical imidization, crosslinking, and solvent activation). The prepared membranes enabled covalent interactions not only between the IP skin layer and the substrate, but also between the IP layer and the embedded aGQDs. The ethanol permeance and surface porosity increased by 44% and 69%, respectively, with the embedment of aGQDs under the optimal conditions, while the Rhodamine B (RDB, 479 Da) rejection maintained essentially stable above 99%. Furthermore, our novel membranes exhibited excellent long-term stability, with a rejection of over 99% for Rose Bengal (RB, 1017 Da) during the continuous filtration of 100 mg L −1  RB/ N , N -dimethyl formamide (DMF) solution at room temperature for more than 768 h. They also exhibited good organic solvent resistance and high-temperature tolerance in both DMF and NMP solvents, with a RDB rejection of over 99% and an ethanol permeance of about 38 L m −2  h −1  MPa −1 after being immersed in DMF at 80 o C for 248 h, and a RDB rejection of over 99% and an ethanol permeance of about 41 L m −2  h −1  MPa −1 after being immersed in NMP at 80 o C for 232 h. The results demonstrated that the aGQDs-embedded TFN OSN membrane has vast potential in SRNF applications." @default.
• W2956040402 created "2019-07-12" @default.
• W2956040402 creator A5011065863 @default.
• W2956040402 creator A5020420071 @default.
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• W2956040402 creator A5053510085 @default.
• W2956040402 creator A5060813841 @default.
• W2956040402 creator A5084133143 @default.
• W2956040402 date "2019-10-01" @default.
• W2956040402 modified "2023-10-15" @default.
• W2956040402 title "Amino-functionalized graphene quantum dots (aGQDs)-embedded thin film nanocomposites for solvent resistant nanofiltration (SRNF) membranes based on covalence interactions" @default.
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• W2956040402 doi "https://doi.org/10.1016/j.memsci.2019.117212" @default.

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