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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Light-emitting coaxial nanofibers.

Haifeng Yang1, Carin R Lightner, Liang Dong

  • 1Laboratory for Nano-Electro-Mechanical Systems and Lab-Chips, Department of Electrical and Computer Engineering, Iowa State University, Ames, Iowa 50011, USA.

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|December 27, 2011
PubMed
Summary
This summary is machine-generated.

Researchers developed novel ionic transition-metal complex (iTMC)-based electro-luminescent nanofibers (TELFs) using coelectrospinning. These self-supporting, flexible nanofibers offer a new 1D light source for diverse optoelectronic applications.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • Traditional light sources often require bulky substrates.
  • There is a need for flexible, lightweight, and conformable light-emitting materials.

Purpose of the Study:

  • To develop novel one-dimensional light sources using ionic transition-metal complex (iTMC)-based electro-luminescent nanofibers (TELFs).
  • To demonstrate the self-supporting and flexible nature of these nanofibers for various applications.

Main Methods:

  • Co-electrospinning was employed to fabricate the TELFs.
  • Each TELF comprises a liquid metal core (Galistan), an iTMC-polymer shell, and an ITO thin film anode.

Main Results:

  • The developed TELFs emit light detectable by a CCD camera at 4.2 V and visible to the naked eye at 5.6 V in nitrogen.
  • The nanofibers are structurally self-supporting, eliminating the need for external substrates.

Conclusions:

  • TELFs offer a flexible, lightweight, and conformable 1D light source.
  • This technology holds significant potential for applications in optoelectronic textiles, bioimaging, sensing, and flexible displays, especially with iTMCs emitting at different wavelengths.