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Title: Graphene-polymer nanofiber membrane for ultrafast photonics
Authors: Bao, Q. 
Zhang, H.
Yang, J.-X. 
Wang, S. 
Tang, D.Y.
Jose, R. 
Ramakrishna, S. 
Lim, C.T. 
Loh, K.P. 
Issue Date: 9-Mar-2010
Source: Bao, Q., Zhang, H., Yang, J.-X., Wang, S., Tang, D.Y., Jose, R., Ramakrishna, S., Lim, C.T., Loh, K.P. (2010-03-09). Graphene-polymer nanofiber membrane for ultrafast photonics. Advanced Functional Materials 20 (5) : 782-791. ScholarBank@NUS Repository.
Abstract: A freestanding membrane composed of a nanofiber network of a graphenepolymer nanocomposite is fabricated by electrospinning and applied as an optical element in fiber lasers. The functionalization of graphene with conjugated organic molecules provides a handle for improving mechanical and thermal properties as well as tuning the optical properties, A small loading (0.07 wt%) of functionalized graphene enhances the total optical absorption of poly(vinyl acetate) (PVAc) by 10 times. The electrospun graphene-polymer nanocomposites exhibit wideband saturable absorbance for laser pulse shaping, and attain a larger modulation depth and smaller nonsaturable loss than single-walled carbon nanotubes. The results show that electrospun graphene nanocomposites are promising candidates as practical and efficient photonic materials for the generation of ultrashort pulses in fiber lasers. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA.
Source Title: Advanced Functional Materials
ISSN: 1616301X
DOI: 10.1002/adfm.200901658
Appears in Collections:Staff Publications

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