期刊
APPLIED PHYSICS LETTERS
卷 107, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4927672
关键词
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资金
- AFOSR [FA9550-13-1-0011]
- Office of Naval Research [N00014-13-1-0596]
- National Science Foundation [CBET-1159552]
- [26-3120]
We report the development of bio-compatible cellulose nanofibers doped with light emitting silicon nanocrystals and Au nanoparticles via facile electrospinning. By performing photoluminescence (PL) spectroscopy as a function of excitation wavelength, we demonstrate plasmon-enhanced PL by a factor of 2.2 with negligible non-radiative quenching due to plasmon-enhanced scattering of excitation light from Au nanoparticles to silicon nanocrystals inside the nanofibers. These findings provide an alternative approach for the development of plasmon-enhanced active systems integrated within the compact nanofiber geometry. Furthermore, bio-compatible light-emitting nanofibers prepared by a cost-effective solution-based processing are very promising platforms for biophotonic applications such as fluorescence sensing and imaging. (C) 2015 AIP Publishing LLC.
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