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New molecular organic materials and ...

Ren, Xiaofan.

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New molecular organic materials and their use in organic light emitting devices.

Record Type:	Electronic resources : Monograph/item
Title/Author:	New molecular organic materials and their use in organic light emitting devices./
Author:	Ren, Xiaofan.
Description:	177 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5718.
Contained By:	Dissertation Abstracts International65-11B.
Subject:	Chemistry, Inorganic. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3155468
ISBN:	0496162438

New molecular organic materials and their use in organic light emitting devices.
Ren, Xiaofan.

New molecular organic materials and their use in organic light emitting devices. - 177 p.

Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5718.

Thesis (Ph.D.)--University of Southern California, 2004.

Organic light emitting devices are a new type of display technology based on organic thin films. The materials that comprise these films are the subject of intense investigation, and must be able to meet certain criteria in order to be considered for these devices. The first chapter describes how these devices work and how the materials affect device properties.

ISBN: 0496162438Subjects--Topical Terms:

517253
Chemistry, Inorganic.

New molecular organic materials and their use in organic light emitting devices.
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035 $a (UnM)AAI3155468
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100 1 $a Ren, Xiaofan. $3 1936120
245 1 0 $a New molecular organic materials and their use in organic light emitting devices.
300 $a 177 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5718.
500 $a Adviser: Mark E. Thompson.
502 $a Thesis (Ph.D.)--University of Southern California, 2004.
520 $a Organic light emitting devices are a new type of display technology based on organic thin films. The materials that comprise these films are the subject of intense investigation, and must be able to meet certain criteria in order to be considered for these devices. The first chapter describes how these devices work and how the materials affect device properties.
520 $a The second chapter describes new charge carriers based on bis(iminostilbenyl)naphthalenes. The thermal stability, electrochemistry, UV-Vis spectrophotometry and photoluminescence of three isomers of bis(iminostilbenyl)naphthalenes were investigated. OLED devices have been made and characterized using the three isomers as the hole transporting material. The device performances were found to correlate well with the physical and electrochemical properties of these three isomers.
520 $a The third chapter describes the synthesis and characterization of metal complexes fac-tris-(1-phenylpyrazolato, N,C 2')cobalt(III) [fac-Co(ppz) 3] and fac-tris-(2-phenylpyridinato, N,C 2')cobalt(III) [fac-Co(ppy) 3]. Both complexes have a redox process involving Co(III) → Co(IV). When used as hole transporting materials, both fac-Co( ppz)3 and fac-Co(ppy) 3 led to efficient electroluminescence. Stability tests have been carried out for Co(ppz)3/NPD/Alq3 and Co( ppy)3/NPD/Alq3 devices, and a mechanism has been proposed to account for fast decay of the former device.
520 $a Chapter 4 further examined the potential of using metal complexes with metal centered redox as charge carriers in OLEDs. Based on the performance of a series of organoosmium and organoruthenium complexes, together with that of the organocobalt complexes discussed in last chapter, a detailed discussion of mobilities for metal centered complexes has been carried out.
520 $a Chapter 5 describes using a family of four ultra-wide-energy-gap organosilicon compounds as host materials for the fabrication of deep blue phosphorescent OLEDs. High triplet energies (&sim;3.5 eV) and ultra-wide energy gaps (&sim;4.5 eV) associated with these materials effectively cut off both energy quenching and electron transfer quenching pathways in the emissive layer, leading to deep blue phosphorescent devices with maximum external quantum efficiency of 11.1%, representing a significant increase over a similar structure employing conventional carbazole-based hosts.
590 $a School code: 0208.
650 4 $a Chemistry, Inorganic. $3 517253
690 $a 0488
710 2 0 $a University of Southern California. $3 700129
773 0 $t Dissertation Abstracts International $g 65-11B.
790 1 0 $a Thompson, Mark E., $e advisor
790 $a 0208
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3155468