ArticleMembranes2021
Polydopamine Functionalized Graphene Oxide as Membrane Nanofiller: Spectral and Structural Studies.
Article in Membranes, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Dual-Functional Coatings for RO Membranes: Optimizing Graphene Oxide and Polydopamine for Fouling and Scaling Control.Molecules (Basel, Switzerland) · 2026Article
- Removal of Contaminants of Emerging Concern from Wastewater Using Photocatalytic Membranes: Current Status and Challenges.Membranes · 2026Review
- Impact of Copper Ions on the Structuration of the Polydopamine Layer for the Functionalization of Graphene Nanoplatelets.ACS omega · 2026Article
- Insights into Graphene Nanostructures, Fabrication Techniques, Mechanical, and Functional Behavior Characterization.Small science · 2025Review
- Enhancement COScientific reports · 2025Article
- Synergistic effects of polydopamine-coated reduced graphene oxide on osteogenesis and anti-inflammation in periodontitis.Journal of materials science. Materials in medicine · 2025Article
- An Ultrasensitive Molecularly Imprinted Point-Of-Care Electrochemical Sensor for Detection of Glial Fibrillary Acidic Protein.Advanced healthcare materials · 2024Article
- Synthesis and Characterization of Novel Adsorbents Based on Functionalization of Graphene Oxide with Schiff Base and Reduced Schiff Base for Pesticide Removal.Materials (Basel, Switzerland) · 2024Article
- A Comprehensive Review of Performance of Polyacrylonitrile-Based Membranes for Forward Osmosis Water Separation and Purification Process.Membranes · 2023Review
- Polyethylene glycol-grafted graphene oxide nanosheets in tailoring the structure and reverse osmosis performance of thin film composite membrane.Scientific reports · 2023Article
- Control of Intermolecular Interactions toward the Production of Free-Standing Interfacial Polydopamine Films.ACS applied materials & interfaces · 2023Article
- Enhancement of AFBBiomolecules · 2023Article
- Bio-inspired nanocomposite coatings on orthodontic archwires with corrosion resistant and antibacterial properties.Frontiers in bioengineering and biotechnology · 2023Article
- Recent Advances in Responsive Membrane Functionalization Approaches and Applications.Separation science and technology · 2023Article
- Composite GO/Ceramic Membranes Prepared via Chemical Attachment: Characterisation and Gas Permeance Properties.Membranes · 2022Article
- Progress for Co-Incorporation of Polydopamine and Nanoparticles for Improving Membranes Performance.Membranes · 2022Review
- In Situ Grown Nanohydroxyapatite Hybridized Graphene Oxide: Enhancing the Strength and Bioactivity of Polymer Scaffolds.ACS omega · 2022Article
- Spectral and Structural Properties of High-Quality Reduced Graphene Oxide Produced via a Simple Approach Using Tetraethylenepentamine.Nanomaterials (Basel, Switzerland) · 2022Article
- Article
- Graphene oxide and mineralized collagen-functionalized dental implant abutment with effective soft tissue seal and romotely repeatable photodisinfection.Regenerative biomaterials · 2022Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
High-degree functionalization of graphene oxide (GO) nanoparticles (NPs) using polydopamine (PDA) was conducted to produce polydopamine functionalized graphene oxide nanoparticles (GO-PDA NPs). Aiming to explore their potential use as nanofiller in membrane separation processes, the spectral and structural properties of GO-PDA NPs were comprehensively analyzed. GO NPs were first prepared by the oxidation of graphite via a modified Hummers method. The obtained GO NPs were then functionalized with PDA using a GO:PDA ratio of 1:2 to obtain highly aminated GO NPs. The structural change was evaluated using XRD, FTIR-UATR, Raman spectroscopy, SEM and TEM. Several bands have emerged in the FTIR spectra of GO-PDA attributed to the amine groups of PDA confirming the high functionalization degree of GO NPs. Raman spectra and XRD patterns showed different crystalline structures and defects and higher interlayer spacing of GO-PDA. The change in elemental compositions was confirmed by XPS and CHNSO elemental analysis and showed an emerging N 1s core-level in the GO-PDA survey spectra corresponding to the amine groups of PDA. GO-PDA NPs showed better dispersibility in polar and nonpolar solvents expanding their potential utilization for different purposes. Furthermore, GO and GO-PDA-coated membranes were prepared via pressure-assisted self-assembly technique (PAS) using low concentrations of NPs (1 wt. %). Contact angle measurements showed excellent hydrophilic properties of GO-PDA with an average contact angle of (27.8°).
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