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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 2, Iss. 5 — May. 1, 2012
  • pp: 519–525

Solution processable and photopatternable blue, green and red quantum dots suitable for full color displays devices

Kyung Kook Jang, Prem Prabhakaran, Deepak Chandran, Jong-Jin Park, and Kwang-Sup Lee  »View Author Affiliations

Optical Materials Express, Vol. 2, Issue 5, pp. 519-525 (2012)

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Core only of CdSe and core-shell quamtum dots (QDs) of CdS/ZnS, CdSe/ZnS and CdSe/ZnSe were functionalized with photosensitive monolayer to make them solution processable and photopatternable. Exchange of ligands was successfully followed using IR spectroscopic techniques. Core-shell type QDs were found to have better photoluminescence properties. Upon exposure to ultraviolet radiation these material were found to undergo polymerization forming interconnected arrays of QDs. These materials were found suitable for spin casting on organic and inorganic substrates. A highly efficient flourene-based two-photon sensitizer was mixed with QD dispersion of a urethane acrylate resin. Two-photon nanostereolithography using a mode-locked Ti:sapphire laser was applied on this resin mixture to fabricate three-dimensional (3D) microstructure. 3D microstructures fabricated were found with uniform dispersion of RGB QDs when observed through confocal microscope.

© 2012 OSA

OCIS Codes
(110.3960) Imaging systems : Microlithography
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Fluorescent and Luminescent Materials

Original Manuscript: February 21, 2012
Revised Manuscript: March 24, 2012
Manuscript Accepted: March 24, 2012
Published: April 2, 2012

Virtual Issues
Quantum Dots for Photonic Applications (2012) Optical Materials Express

Kyung Kook Jang, Prem Prabhakaran, Deepak Chandran, Jong-Jin Park, and Kwang-Sup Lee, "Solution processable and photopatternable blue, green and red quantum dots suitable for full color displays devices," Opt. Mater. Express 2, 519-525 (2012)

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