期刊
ELECTROANALYSIS
卷 28, 期 7, 页码 1517-1523出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201600017
关键词
manufacturing; device prototyping; trace analysis; polymer formulation; sensor architecture
资金
- Engineering and Physical Sciences Council (EPSRC, UK)
- Royal Society [IE141589]
- Engineering and Physical Sciences Research Council [1232434] Funding Source: researchfish
Carbon nanofibres (CNFs) and graphite flake microparticles were added to thermoplastic polystyrene polymer with the aim of making new conductive blends suitable for 3D-printing. Various polymer/carbon blends were evaluated for suitability as printable, electroactive material. An electrically conducting polystyrene composite was developed and used with commercially available polystyrene (HIPS) to manufacture electrodes suitable for electrochemical experiments. Electrodes were produced and evaluated for cyclic voltammetry of aqueous 1,1'-ferrocenedimethanol and differential pulse voltammetry detection of aqueous Pb2+ via anodic stripping. A polystyrene/CNF/graphite (80/10/10wt%) composite provides good conductivity and a stable electrochemical interface with well-defined active geometric surface area. The printed electrodes form a stable interface to the polystyrene shell, give good signal to background voltammetric responses, and are reusable after polishing.
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