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Nanomaterial Enabled Laser Transfer of Temperature Sensitive Organic Light Emitting Diode Materials

[+] Author Affiliations
Seung Hwan Ko

University of California at Berkeley, Berkeley, CA; KAIST, Daejeon, Republic of Korea

Heng Pan, Nipun Misra, Costas P. Grigoropoulos

University of California at Berkeley, Berkeley, CA

Paper No. HT2009-88061, pp. 765-769; 5 pages
  • ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences
  • Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment
  • San Francisco, California, USA, July 19–23, 2009
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4356-7 | eISBN: 978-0-7918-3851-8
  • Copyright © 2009 by ASME


Organic material direct writing is demonstrated based on nanomaterial enabled laser transfer (NELT). Through utilization of proper nanoparticle size and type, and the laser wavelength choice, a single laser pulse could transfer well defined and arbitrarily shaped tris-(8-hydroxyquinoline)Al patterns ranging from several microns to millimeter size. The unique properties of nanomaterials allow laser induced forward transfer at irradiation energies and temperatures lower than commonly used. The technique may be well suited for the mass production of temperature sensitive devices.

Copyright © 2009 by ASME



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