Cyril Poriel

Matériaux moléculaires pour diodes organiques électroluminescentes : vers de nouvelles perspectives en électronique organique

Cyril Poriel, Sylvain Achelle, Pierre‐Antoine Bouit, Jeanne Crassous et autres

(Text in French) Molecular materials for organic light-emitting diodes: towards new perspectives in organic electronics. Organic electronics, also known as plastic electronics, is becoming an increasingly important player of modern electronic technologies and is expected to play a central role in future …

Efficient UV Organic Solid‐State Lasers with Ultra‐Short Wavelengths Based on Dispirofluorene‐Indenofluorene Isomers

Yusei Kaya, Hyung Suk Kim, Denis Ari, Kevin Mall Haidaraly et autres

Abstract The development of efficient UV organic solid‐state lasers (OSLs) remains a significant challenge, yet it is crucial for enabling advanced photonic technologies. This study investigates two dispirofluorene‐indenofluorene regioisomers, (2,1‐a)‐DSF(tBu) 4 ‐IF ( DSFIF‐syn ) and (1,2‐b)‐DSF(tBu) 4 ‐IF ( DSFIF‐anti ), …

jp, fr (code pays fourni par la source)

Ultraviolet organic solid-state laser using novel organic gain materials

Kim Ht, Youhei Chitose, Sébastien Forget, Sebastien Chénais et autres

Ultraviolet organic solid-state lasers offer high energy output combined with the flexibility and productivity of organic devices, making them promising for medical and bio-processing applications. However, realizing such lasers in the deeper UV range has been challenging due to the lack of …

jp, fr (code pays fourni par la source)

High‐Efficiency Blue‐Emitting Multi‐Resonance TADF Organic Light‐Emitting Diodes Constructed on Spiro Quinolinoacridine/Fluorene‐diphenylphosphine Oxide Positional Isomers

Kelvine Letellier, Yue‐Jian Yang, Wei Gao, Dong‐Ying Zhou et autres

Abstract Improving the performance of blue‐emitting devices is one of the most important challenges in Organic Light‐Emitting Diodes (OLEDs). In recent years, Multi‐Resonance Thermally Activated Delayed Fluorescence (MR‐TADF) with a phosphorescent sensitization technique has shown its potential to enhance efficiency and mitigate …

fr, cn (code pays fourni par la source)

Donor–Acceptor Nanohoops: Impact of the Ratio and Arrangement of the Fluorenone and Carbazole Moieties

Clément Brouillac, Elodie Dureau, Olivier Jeannin, Joëlle Rault‐Berthelot et autres

We report herein the synthesis and characterization of four donor-acceptor nanohoops incorporating fluorenone and carbazole as electron-poor and electron-rich units, respectively. The well-known platinum-mediated cyclization reaction here provides, in high yields, a mixture of four nanohoops possessing different and unexpected molecular arrangements. …

fr (code pays fourni par la source)

Pure Hydrocarbon Hosts Enabling Efficient Multi‐Resonance TADF Blue‐Emitting Organic Light‐Emitting Diodes

Yue‐Jian Yang, Denis Ari, Zhe-Hong Yu, Kelvine Lettelier et autres

Abstract Pure hydrocarbon (PHC) materials are a class of highly efficient and stable host materials for organic light‐emitting diodes (OLEDs), composed solely of carbon and hydrogen atoms. Despite recent great advancements in PHC research, their applications are still mainly limited to phosphorescent …

tw, cn, fr (code pays fourni par la source)

Pure Hydrocarbon Hosts Enabling Efficient Multi‐Resonance TADF Blue‐Emitting Organic Light‐Emitting Diodes

Yue‐Jian Yang, Denis Ari, Zhe-Hong Yu, Kelvine Lettelier et autres

Abstract Pure hydrocarbon (PHC) materials are a class of highly efficient and stable host materials for organic light‐emitting diodes (OLEDs), composed solely of carbon and hydrogen atoms. Despite recent great advancements in PHC research, their applications are still mainly limited to phosphorescent …

tw, cn, fr (code pays fourni par la source)

Dimesitylborane as Electron Accepting Unit in High Performance Yellow Single‐Layer Phosphorescent Organic Light Emitting Diode

Clément Brouillac, Fabien Lucas, Denis Ari, Christophe Lebreton et autres

Abstract A new host material for Single‐Layer Phosphorescent Organic Light‐Emitting Diodes (SL‐PhOLED) is reported, namely SPA‐2‐FDMB , using the dimesitylborane (DMB) fragment as an acceptor unit. The molecular design is constructed on the general donor‐ spiro ‐acceptor architecture, which consists of connecting, …

fr (code pays fourni par la source)

Spirobifluorene Trimers: High Triplet Pure Hydrocarbon Hosts for Highly Efficient Blue Phosphorescent Organic Light‐Emitting Diodes

Denis Ari, Yue‐Jian Yang, Cassandre Quinton, Zuo‐Quan Jiang et autres

Abstract Pure aromatic hydrocarbon materials (PHCs) represent a new generation of host materials for phosphorescent OLEDs (PhOLEDs), free of heteroatoms. They reduce the molecular complexity, can be easily synthesized and are an important direction towards robust devices. As heteroatoms can be involved …

fr, cn (code pays fourni par la source)

Spirobifluorene Trimers: High Triplet Pure Hydrocarbon Hosts for Highly Efficient Blue Phosphorescent Organic Light‐Emitting Diodes

Denis Ari, Yue‐Jian Yang, Cassandre Quinton, Zuo‐Quan Jiang et autres

Pure aromatic hydrocarbon materials (PHCs) represent a new generation of host materials for phosphorescent OLEDs (PhOLEDs), free of heteroatoms. They reduce the molecular complexity, can be easily synthesized and are an important direction towards robust devices. As heteroatoms can be involved in …

fr, cn (code pays fourni par la source)

π‐Conjugated Nanohoops: A New Generation of Curved Materials for Organic Electronics

Rupam Roy, Clément Brouillac, Emmanuel Jacques, Cassandre Quinton et autres

Abstract Nanohoops, cyclic association of π‐conjugated systems to form a hoop‐shaped molecule, have been widely developed in the last 15 years. Beyond the synthetic challenge, the strong interest towards these molecules arises from their radially oriented π‐orbitals, which provide singular properties to …

fr, us (code pays fourni par la source)

π‐Conjugated Nanohoops: A New Generation of Curved Materials for Organic Electronics

Rupam Roy, Clément Brouillac, Emmanuel Jacques, Cassandre Quinton et autres

Nanohoops, cyclic association of π-conjugated systems to form a hoop-shaped molecule, have been widely developed in the last 15 years. Beyond the synthetic challenge, the strong interest towards these molecules arises from their radially oriented π-orbitals, which provide singular properties to these …

fr, us (code pays fourni par la source)