Improved light emitting UV curable PbS quantum dots-polymer composite optical waveguides

Kai Shen, Sarfaraz Baig, Guomin Jiang, Young hun Paik, Sung Jin Kim, Michael Renxun Wang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We present for the first-time light emitting ultraviolet (UV) curable active PbS quantum dots-polymer composite optical waveguides fabricated by vacuum assisted microfluidic (VAM) soft lithography technique. PbS quantum dots were synthesized by colloidal chemistry methods with tunable sizes resulting in light emissions in near infrared wavelengths. UV curable polymer of selective refractive index were synthesized facilitating waveguide mode confinement and good PbS quantum dots solubility. Photoluminescence of the composite exhibited ∼30 times better brightness than PbS-SU-8 composites. Light emitting multi-mode waveguides of about 50×42μm cross-sectional dimension were successful demonstrated. Light emitting single-mode waveguides were fabricated by VAM technique with sectional flow tapers.

Original languageEnglish (US)
Pages (from-to)606-611
Number of pages6
JournalOptics Communications
Volume402
DOIs
StatePublished - Nov 1 2017

Fingerprint

Optical waveguides
optical waveguides
Semiconductor quantum dots
Polymers
Waveguides
quantum dots
waveguides
Microfluidics
composite materials
Composite materials
polymers
Vacuum
vacuum
Light emission
tapering
Laser modes
Lithography
light emission
Luminance
Refractive index

Keywords

  • Microfluidic
  • Photoluminescence
  • Quantum dot
  • UV lithography
  • Waveguide

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Improved light emitting UV curable PbS quantum dots-polymer composite optical waveguides. / Shen, Kai; Baig, Sarfaraz; Jiang, Guomin; Paik, Young hun; Kim, Sung Jin; Wang, Michael Renxun.

In: Optics Communications, Vol. 402, 01.11.2017, p. 606-611.

Research output: Contribution to journalArticle

Shen, Kai ; Baig, Sarfaraz ; Jiang, Guomin ; Paik, Young hun ; Kim, Sung Jin ; Wang, Michael Renxun. / Improved light emitting UV curable PbS quantum dots-polymer composite optical waveguides. In: Optics Communications. 2017 ; Vol. 402. pp. 606-611.
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