Journal ArticleDOI
Donor-acceptor 9-uncapped fluorenes and fluorenones as stable blue light emitters.
Atul Goel,Sumit Chaurasia,Manish Dixit,Vijay Kumar,Sattey Prakash,Bijayalaxmi Jena,Jai Verma,Mayank Jain,R. S. Anand,S. Sundar Manoharan +9 more
TLDR
It is demonstrated that the "green light" emitting fluorenones 7 can be converted to "blue light" emitters 10 by appropriate positioning of donor-acceptor and chromophoric groups onto the fluorene/fluorenone backbone.About:
This article is published in Organic Letters.The article was published on 2009-02-19. It has received 60 citations till now. The article focuses on the topics: Fluorene & Fluorenone.read more
Citations
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Journal ArticleDOI
Recent developments of ketene dithioacetal chemistry.
TL;DR: This review aims to provide an intrinsic link between ketene dithioacetal groups and a variety of other functional groups, which has brought out many new facts that will assist in future designs.
Journal ArticleDOI
Multifunctional Fluorene‐Based Oligomers with Novel Spiro‐Annulated Triarylamine: Efficient, Stable Deep‐Blue Electroluminescence, Good Hole Injection, and Transporting Materials with Very High Tg
TL;DR: A series of fluorene‐based oligomers with novel spiro‐annulated triarylamine structures, namely DFSTPA, TF STPA, and TFSDTC, are synthesized by a Suzuki cross‐coupling reaction, which simultaneously solves the spectral stability problems and hole‐injection and transport issues for fluorenes‐based blue‐light‐emitting materials.
Journal ArticleDOI
Two-Dimensional Self-Assembled Molecular Structures Formed by the Competition of van der Waals Forces and Dipole–Dipole Interactions
TL;DR: In this article, the selfassembly of 2,7-bis(10-ethoxycarbonyl-decyloxy)-9-fluorenone (BEF) was investigated by scanning tunneling microscopy at the liquid/solid interface.
Journal ArticleDOI
DiSpiroXanthene-IndenoFluorene: a new blue emitter for nondoped organic light emitting diode applications.
Nicolas Cocherel,Cyril Poriel,Laurence Vignau,Jean-François Bergamini,Joëlle Rault-Berthelot +4 more
TL;DR: Through an expedient synthesis, a novel blue emitter, DiSpiroXanthene-IndenoFluorene (DSX-IF) has been designed and synthesized, which possesses good morphological and color stability upon heating, has a high quantum yield, and may be easily polymerized through anodic oxidation.
Journal ArticleDOI
Incorporation of Spiroxanthene Units in Blue-Emitting Oligophenylene Frameworks: A New Molecular Design for OLED Applications
TL;DR: The incorporation of xanthenyl units into two extended π-conjugated phenylene systems, namely indenofluorene and pentaphenylene, which have been designed and synthesized through short and efficient synthetic approaches.
References
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Journal ArticleDOI
Electroluminescence in conjugated polymers
Richard H. Friend,R. W. Gymer,A.B. Holmes,J. H. Burroughes,R.N. Marks,Carlo Taliani,Donal D. C. Bradley,D.A. dos Santos,Jean-Luc Brédas,Michael Lögdlund,William R. Salaneck +10 more
TL;DR: Research in the use of organic polymers as active semiconductors in light-emitting diodes has advanced rapidly, and prototype devices now meet realistic specifications for applications.
Book
Electronic Materials: The Oligomer Approach
Gerhard Wegner,Klaus Müllen +1 more
TL;DR: In this paper, a vibrational spectra electronic excitation model is proposed for quantum chemical interpretation nonlinear optical properties electrochemical properties optical applications electrical applications in the future, which is based on quantum quantum interpretation.
Journal ArticleDOI
The Effect of Keto Defect Sites on the Emission Properties of Polyfluorene-Type Materials
Journal ArticleDOI
High brightness and efficiency blue light-emitting polymer diodes
TL;DR: In this article, a dioctyl-substituted polyfluorene was used as the emissive layer in combination with a polymeric triphenyldiamine hole transport layer.
Journal ArticleDOI
Polyfluorenes with Polyphenylene Dendron Side Chains: Toward Non-Aggregating, Light-Emitting Polymers
Sepas Setayesh,Andrew C. Grimsdale,Tanja Weil,Volker Enkelmann,Klaus Müllen,Farideh Meghdadi,Emil List,Günther Leising +7 more
TL;DR: A polyfluorene 12 has been prepared in which bulky polyphenylene dendrimer substituents suppress formation of long wavelength emitting aggregates, thus giving a polymer with pure blue emission.
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Natural and synthetic 2H-pyran-2-ones and their versatility in organic synthesis☆
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