Highly Stable and Efficient Lignin‐PEDOT/PSS Composites for Removal of Toxic Metals
Source abstract
Abstract
Abstract A hybrid biopolymer/electronic polymer electrode is demonstrated here to extract metal ions, in this case lead, from water. The hybrid material consists of poly(3,4‐ethylenedioxythiophene)/polystyrene sulfonate (PEDOT/PSS) and the biopolymer lignin (LG) and is prepared by a simple one‐step galvanostatic polymerization from aqueous solution. The hybrid material is characterized by cyclic voltammetry, electrochemical quartz microbalance, X‐ray photoelectron spectroscopy, and scanning electron microscopy techniques. The electrochemical and spectroscopic results confirm that lead ions can be adsorbed on the composites films from a neutral solution of lead ions by applying a negative potential and subsequently desorbed from the hybrid films by applying positive potential. The adsorption capacity for lead ions on PEDOT/PSS is 245.5 mg g−1 and is almost doubled to 452.8 mg g−1 by incorporating LG into PEDOT/PSS.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Conducting polymers and applications · Supercapacitor Materials and Fabrication · Electrochemical sensors and biosensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry Addis Ababa University PO Box 1176 Addis Ababa Ethiopia
Biomolecular and Organic Electronics Department of Physics Chemistry and Biology (IFM) Linköping University 581 83 Linköping Sweden
Thin Film Physics Department of Physics Chemistry and Biology (IFM) Linköping University 581 83 Linköping Sweden
Funding
Knut och Alice Wallenbergs Stiftelse
References (65)
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