Self-host heteroleptic green iridium dendrimers: achieving efficient non-doped device performance based on a simple molecular structure

2011 ◽  
Vol 47 (33) ◽  
pp. 9519 ◽  
Author(s):  
Lingcheng Chen ◽  
Zhihua Ma ◽  
Junqiao Ding ◽  
Lixiang Wang ◽  
Xiabin Jing ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Device Performance

Effect of dielectric/organic interface properties on the performance of the organic thin film transistors

2013 ◽  
Vol 1501 ◽  
Author(s):  
Ronak Rahimi ◽  
D. Korakakis
Keyword(s):  
Molecular Structure ◽  
Thin Film ◽  
Thin Film Transistors ◽  
Carrier Mobility ◽  
Charge Carrier Mobility ◽  
Organic Thin Film Transistors ◽  
Device Performance ◽  
Electrical Characteristics ◽  
Organic Thin Film ◽  
Organic Layers

ABSTRACTIn order to manufacture organic electronic devices with high performance, more detailed studies of the structure and the morphology of the organic materials as well as the underlying physical charge transport mechanisms are warranted. For instance, high efficiency organic thin film transistors (OTFTs) require materials with high charge carrier mobility [1, 2]. The parameters that determine the charge carrier mobility of the device include the structure of the first organic layer at the organic-dielectric interface as well as the morphology and the structural order of the other organic layers. Therefore, fundamental questions about structural properties of organic materials should be answered in order to optimize device performance [2-4].In this work, several bilayer structures of LiF/PTCDI-C8 and LiF/pentacene were prepared and their morphology and molecular structure were characterized using X-ray reflectivity (XRR) technique. In order to study the effects of the films’ structures and dielectric/organic interfacial properties on the device performance, OTFTs based on these bilayers were fabricated and characterized. It has been observed that PTCDI-C8 thin films have higher molecular packing in the LiF/PTCDI-C8 bilayer structure, which results in superior electrical characteristics for OTFTs based on this organic material. Devices with LiF/PTCDI-C8 bilayer exhibit about one order of magnitude higher output current (Ids) at a constant drain-source voltage (Vds) compared to the devices with LiF/pentacene bilayer. The observed differences in the electrical characteristics of these devices can be attributed to the effects of the dielectric/organic interface and the molecular structure of the organic layers.

Synthesis and Transistor Properties of Asymmetric Oligothiophenes: Relationship between Molecular Structure and Device Performance

2013 ◽  
Vol 19 (42) ◽  
pp. 14052-14060 ◽  
Author(s):  
Tae Kyu An ◽  
Sang Hun Jang ◽  
Seul-Ong Kim ◽  
Jaeyoung Jang ◽  
Jihun Hwang ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Device Performance

The Molecular Structure of Polymer−Fullerene Composite Solar Cells and Its Influence on Device Performance

2010 ◽  
Vol 43 (5) ◽  
pp. 2343-2348 ◽  
Author(s):  
Richard M. Beal ◽  
Alexandros Stavrinadis ◽  
Jamie H. Warner ◽  
Jason M. Smith ◽  
Hazel E. Assender ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Solar Cells ◽  
Device Performance

Bipolar Copolymers as Host for Electroluminescent Devices:  Effects of Molecular Structure on Film Morphology and Device Performance

2007 ◽  
Vol 40 (23) ◽  
pp. 8156-8161 ◽  
Author(s):  
Biwu Ma ◽  
Bumjoon J. Kim ◽  
Lan Deng ◽  
Daniel A. Poulsen ◽  
Mark E. Thompson ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Device Performance ◽  
Film Morphology ◽  
Electroluminescent Devices

Molecular structure-device performance relationship in polymer solar cells based on indene-C60 bis-adduct derivatives

2014 ◽  
Vol 32 (2) ◽  
pp. 261-267 ◽  
Author(s):  
Han-Hee Cho ◽  
Chul-Hee Cho ◽  
Hyunbum Kang ◽  
Hojeong Yu ◽  
Joon Hak Oh ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Solar Cells ◽  
Polymer Solar Cells ◽  
Device Performance

Acenaphtho[1, 2-k]fluoranthene-Fused Diimide Derivatives: An Investigation of the Relationship Between Molecular Structure and Device Performance

2017 ◽  
Vol 6 (9) ◽  
pp. 1231-1234 ◽  
Author(s):  
Lin Ding ◽  
Chi-Yuan Yang ◽  
Yu-Qing Zheng ◽  
Jie-Yu Wang ◽  
Jian Pei ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Device Performance ◽  
The Relationship
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