Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 39, Pages 7290-7295Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b908154b
Keywords
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Funding
- National Natural Science Foundation of China [20675003, 90713013, 20275003]
- Instrumental Analysis Fund of Peking University
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A new method for fabricating fluorescent nanofibers as sensing materials was developed via the electrospinning technique using fluorophore-doped polymers. Fluorescent nanofibers with diameters in the range 200-600 nm were produced with fluorophores dispersed uniformly in the matrix. Sensing nanofibers with secondary porous structures were further achieved by introducing a porogen or deacetylation treament as a new approach, exhibiting unique morphologies with intra-fiber pores and obviously improved quenching sensitivity. Methyl violet was used as a model to investigate the sensing performance of a nanofiber membrane composed of cellulose acetate doped with 9-chloromethylanthracene. This work provides a simple and applicable strategy for the fabrication of sensing materials for optical sensor devices.
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