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Lee Kwang-hee, born in 1960, is a South Korean physicist. Since 2007, he has served as the director of the Research Institute for Solar and Sustainable Energy at the
Gwangju Institute of Science and Technology The Gwangju Institute of Science and Technology (GIST) is a research-oriented university focused on science and technology that is located in Gwangju, South Korea. GIST is a member of the research-oriented universities group consisting of GIST- ...
(GIST).


Biography

Lee is currently a full professor of the Materials Science & Engineering Department and a vice-director of the Heeger Center for Advanced Materials at the
Gwangju Institute of Science and Technology The Gwangju Institute of Science and Technology (GIST) is a research-oriented university focused on science and technology that is located in Gwangju, South Korea. GIST is a member of the research-oriented universities group consisting of GIST- ...
(GIST) in Korea. His major areas of focus include polymer devices such as
polymer A polymer () is a chemical substance, substance or material that consists of very large molecules, or macromolecules, that are constituted by many repeat unit, repeating subunits derived from one or more species of monomers. Due to their br ...
LED A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresp ...
s, polymer solar cells, and polymer FETs using semiconducting and metallic polymers. He received a BS degree from Seoul National University in 1983, and a MS degree from KAIST in 1985. Lee then worked at the Korea Atomic Energy Research Institute as a Staff Researcher from 1985 to 1990. In 1990 he migrated to the US for his doctorate study at the
University of California The University of California (UC) is a public university, public Land-grant university, land-grant research university, research university system in the U.S. state of California. Headquartered in Oakland, California, Oakland, the system is co ...
, in Santa Barbara (UCSB) and obtained his Ph.D. in March 1995 under the supervision of one Professor
Alan J. Heeger Alan Jay Heeger (born January 22, 1936) is an American physicist, academic and Nobel Prize laureate in chemistry. Heegar was elected as a member into the National Academy of Engineering in 2002 for co-founding the field of conducting polymers ...
. After finishing his post-doctoral work at
UCSB The University of California, Santa Barbara (UC Santa Barbara or UCSB) is a public land-grant research university in Santa Barbara County, California, United States. Tracing its roots back to 1891 as an independent teachers college, UCSB joine ...
in 1997, Lee started his professorship at the
Pusan National University Pusan National University (PNU; , also called Busan National University) is one of ten Flagship Korean National Universities in South Korea. It is the first national university established after the National Liberation Day of Korea. There ar ...
in South Korea. In 2007, Lee moved to his current position of a Full Professor at
GIST In computing, GiST or Generalized Search Tree, is a data structure and API that can be used to build a variety of disk-based search trees. GiST is a generalization of the B+ tree, providing a concurrent and recoverable height-balanced search tree ...
.


Scientific discoveries

*Established a theoretical model of charge dynamics in conducting polymers called the localization modified Drude model. *Produced truly metallic polymers. *Performed the fabrication of all-solution processable tandem polymer solar cells *Internal quantum efficiencies approaching 100% were obtained in his polymer solar cells. *He realized that the conductivity of conducting polymer films was increased by aligning polymer chains. *Used statically charged self-assembled non-conjugated polyelectrolytes as an interfacial layer for inverted polymer solar cells *Key role of interchain coupling in the metallic state of conducting polymersPhysical Review Letters, 109, 106405 (2012)


References

{{DEFAULTSORT:Lee, Kwang-hee 1960 births Living people Seoul National University alumni South Korean physicists University of California, Santa Barbara alumni Academic staff of Gwangju Institute of Science and Technology