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Dive into the research topics where Xiaofan Ren is active.

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Featured researches published by Xiaofan Ren.


Applied Physics Letters | 2003

Efficient, deep-blue organic electrophosphorescence by guest charge trapping

Russell J. Holmes; Brian D'Andrade; Stephen R. Forrest; Xiaofan Ren; Jiawen Li; Mark E. Thompson

We demonstrate efficient, deep-blue organic electrophosphorescence using a charge-trapping phosphorescent guest, iridium(III) bis(4′,6′-difluorophenylpyridinato)tetrakis(1-pyrazolyl)borate (FIr6) doped in the wide-energy-gap hosts, diphenyldi(o-tolyl)silane (UGH1) and p-bis(triphenylsilyly)benzene (UGH2), where exciton formation occurs directly on the guest molecules. Charge trapping on the guest is confirmed by the dependence of the drive voltage and electroluminescence spectrum on guest concentration. Ultraviolet photoemission spectroscopy measurements establish the relative highest occupied molecular orbital positions of FIr6 in UGH1 and UGH2. Peak quantum and power efficiencies of (8.8±0.9)% and (11.0±1.1) lm/W in UGH1 and (11.6±1.2)% and (13.9±1.4) lm/W in UGH2 are obtained, while the emission in both cases is from FIr6 and is characterized by Commission Internationale de l’Eclairage coordinates of (x=0.16, y=0.26) in UGH2.


Chemistry of Materials | 2004

Ultrahigh Energy Gap Hosts in Deep Blue Organic Electrophosphorescent Devices

Xiaofan Ren; Jian Li; Russell J. Holmes; Peter I. Djurovich; Stephen R. Forrest; Mark E. Thompson


Archive | 2002

Organic light emitting devices having carrier blocking layers comprising metal complexes

Mark E. Thompson; Xiaofan Ren; Peter I. Djurovich; Haiping Hong; Stephen R. Forrest; Chihaya Adachi


Archive | 2003

Organic light emitting devices with wide gap host materials

Xiaofan Ren; Russell J. Holmes; Stephen R. Forrest; Mark E. Thompson


Archive | 2005

Organic light emitting devices with electron blocking layers

Mark E. Thompson; Vadim Adamovich; Xiaofan Ren; Arnold Tamayo; Peter I. Djurovich


Inorganic Chemistry | 2004

Organometallic Complexes as Hole-Transporting Materials in Organic Light-Emitting Diodes

Xiaofan Ren; Bert Alleyne; Peter I. Djurovich; Chihaya Adachi; Irina Tsyba; Robert Bau; Mark E. Thompson


Archive | 2002

Organic light emitting devices having charge carrier blocking layers comprising metalcomplexes

Mark E. Thompson; Xiaofan Ren; Vadim Adamovich; Brian D'Andrade; Steven Cordero; Bert Alleyne; Stephen R. Forrest


Archive | 2002

Dispositifs electroluminescents organiques possedant des couches porteuses bloquantes composees de complexes metalliques

Mark E. Thompson; Xiaofan Ren; Vadim Adamovich; Steven Cordero; Brian D'Andrade; Bert Alleyne; Stephen R. Forrest


Archive | 2002

Organische lichtemittierende einrichtungen mit trägerblockierschichten mit metallkomplexen

Vadim Adamovich; Bert Alleyne; Steven Cordero; Brian Wendell D'handrade; Stephen R. Forrest; Xiaofan Ren; Mark E. Thompson


Archive | 2002

Dispositfs luminescents organiques contenant des couches de transport de porteurs comprenant des complexes metalliques

Mark E. Thompson; Xiaofan Ren; Peter Djurovich; Haiping Hong; Stephen R. Forrest; Chihaya Adachi

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Bert Alleyne

University of Southern California

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Brian D'Andrade

Universal Display Corporation

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Steven Cordero

University of Southern California

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Vadim Adamovich

University of Southern California

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Peter I. Djurovich

University of Southern California

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Haiping Hong

University of Southern California

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