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Meeting Location:
Michaels at Shoreline Registration at Dinner at Technical Talk at |
Please RSVP with your meal choice
of salmon, steak or veggie by 5:00 pm on Friday, November 14th. $20 members $25 nonmembers $10 students To RSVP, please contact: Jack Jew 408-743-6775 jack.jew@lmco.com
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Light-Emitting Devices Based on Organic Materials and Semiconductor Quantum Dots About the Technical
Topic: This
talk will discuss experimental and theoretical aspects of light-emitting
devices (LEDs) based on organic semiconductors and colloidal quantum dots
(QDs). This hybrid material system has several advantages against crystalline
semiconductor technology; first, it is compatible with inexpensive
fabrication methods such as solution processing and roll-to-roll deposition;
second, hybrid devices can be fabricated on flexible plastic substrates and
glass, avoiding expensive crystalline wafers; third, this technology is
compatible with patterning methods, allowing multicolor light sources to be
fabricated on the same substrate by simply changing the emissive colloidal QD
layer. I
will cover the fabrication methods for QD-LEDs that have been extensively
investigated as well as the basic physical processes governing the
performance of QD-LEDs, which until recently remained unclear. This talk will
introduce novel deposition methods, which allow us to fabricate QD-LEDs of
controlled and tunable color by simply changing the emissive QD layer without
altering the structure of organic charge transport layers. For example, we
fabricate white light sources with tunable color temperature and color
rendering close to that of sunlight, inaccessible by crystalline semiconductor
based lighting or fluorescent sources. About the Speaker: Polina
Anikeeva received her BS (honors) in Physics from |