Jean Rouillon
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View article: Stereoselective synthesis of heterocyclic tetraphenylethylene analogues with configuration-dependent solid-state luminescence
Stereoselective synthesis of heterocyclic tetraphenylethylene analogues with configuration-dependent solid-state luminescence Open
Stereopure AIEgens based on a ditriazolostilbene core are synthesized, enabling E / Z isomer comparison with detailed investigation of their solid-state luminescence and elucidation of the origin of their photophysical behavior.
View article: Click and shift: the effect of triazole on solvatochromic dyes
Click and shift: the effect of triazole on solvatochromic dyes Open
Azido-functionalised push–pull fluorenes, modified via CuAAC, show triazole-induced emission shifts and enhanced photophysical properties. These findings enable the synthesis of high-performance fluorosolvatochromic dyes for diverse applic…
View article: Layer-number-dependent photoswitchability in 2D MoS<sub>2</sub>-diarylethene hybrids
Layer-number-dependent photoswitchability in 2D MoS<sub>2</sub>-diarylethene hybrids Open
Optoelectronic properties of atomically-thin MoS 2 flakes are modulated using photochromic diarylethene molecules. The layer-number-dependent charge transfer behaviors at the hybrid heterointerface are elucidated.
View article: Click and shift: the effect of triazole on solvatochromic dyes
Click and shift: the effect of triazole on solvatochromic dyes Open
Solvatochromic dyes are prime candidates for exploring complex polarity-dependent biological processes. The design of novel dyes for these applications typically presents long synthetic routines. Herein we report a concise synthesis of azi…
View article: Fluorescent Molecular Photoswitches for the Generation of All‐Optical Encryption Keys
Fluorescent Molecular Photoswitches for the Generation of All‐Optical Encryption Keys Open
Herein, we report a tri‐component photochromic molecular cocktail that can be used to encrypt and decrypt information. The time‐dependent fluorescent response of this cocktail is highly non‐linear with respect to the set of inputs used (co…
View article: Modulation of the photochromic properties of TPE and other tetrasubstituted olefins by the “amino conjugation effect”: a quantitative study
Modulation of the photochromic properties of TPE and other tetrasubstituted olefins by the “amino conjugation effect”: a quantitative study Open
Tetraphenylethylene (TPE) derivatives have been a key building block in the development of solid-state fluorophores with tunable emission wavelength and large quantum efficiencies. Recent literature has brought an array of evidence that ro…
View article: CCDC 2178000: Experimental Crystal Structure Determination
CCDC 2178000: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Al(III) and Ga(III) Bisphenolate Azadipyrromethene-Based “N<sub>2</sub>O<sub>2</sub>” Complexes as Efficient NIR-Fluorophores
Al(III) and Ga(III) Bisphenolate Azadipyrromethene-Based “N<sub>2</sub>O<sub>2</sub>” Complexes as Efficient NIR-Fluorophores Open
Aza-boron-dipyrromethenes (Aza-BODIPYs) are an increasingly studied class of fluorophores. They can be seen as an azadipyrromethene ("aza-DIPY") ligand rigidified by a metalloid, a boron atom. Based on this idea, a series of complexes of g…
View article: "N2O2" Metal-azaDIPY complexes: a new class of NIR-fluorophores
"N2O2" Metal-azaDIPY complexes: a new class of NIR-fluorophores Open
Aza-BODIPYs are an increasingly studied class of fluorophores. They can be seen as an "aza-DIPY" ligand rigidified by a metalloid, a boron atom. Based on this idea, a series of complexes of group 13 metals (aluminum and gallium) have been …
View article: Assembly of Aggregation-Induced Emission Active Bola-Amphiphilic Macromolecules into Luminescent Nanoparticles Optimized for Two-Photon Microscopy In Vivo
Assembly of Aggregation-Induced Emission Active Bola-Amphiphilic Macromolecules into Luminescent Nanoparticles Optimized for Two-Photon Microscopy In Vivo Open
The (Z) and (E)-isomers of an extended tetraphenylethylene-based chromophore with optimized two-photon-induced luminescence properties are separated and functionalized with water-solubilizing pendant polymer groups, promoting their self-as…
View article: Controlled Assembly of AIE Active Bolaamphiphilic Macromolecules into Luminescent Organic Nanoparticles Optimized for Two-Photon Microscopy in vivo
Controlled Assembly of AIE Active Bolaamphiphilic Macromolecules into Luminescent Organic Nanoparticles Optimized for Two-Photon Microscopy in vivo Open
The (Z) and (E) isomers of an extended tetraphenylethylene-based chromophore with optimized two-photon induced luminescence properties are separated and functionalized with water-solubilizing pendant polymer groups, promoting their self-as…
View article: <i>O</i>-Acetylated sugars in the gas phase: stability, migration, positional isomers and conformation
<i>O</i>-Acetylated sugars in the gas phase: stability, migration, positional isomers and conformation Open
Is the position of the acetyl group modified through the transfer from solution to the gas phase?
View article: Tailoring the Reactivity of the Langlois Reagent and Styrenes with Cyanoarenes Organophotocatalysts under Visible‐Light
Tailoring the Reactivity of the Langlois Reagent and Styrenes with Cyanoarenes Organophotocatalysts under Visible‐Light Open
The selective one‐step access to fluoroalkylated hexestrol derivatives, nonsteroidal estrogens, is achieved in good to excellent isolated yields under organophotoredox conditions by using the stable and easy to handle Langlois reagent. Fur…
View article: CCDC 2089361: Experimental Crystal Structure Determination
CCDC 2089361: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2089359: Experimental Crystal Structure Determination
CCDC 2089359: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Tailoring the Reactivity of the Langlois Reagent and Styrenes with Cyanoarenes Organophotocatalysts under Visible-Light.
Tailoring the Reactivity of the Langlois Reagent and Styrenes with Cyanoarenes Organophotocatalysts under Visible-Light. Open
The unprecedented selective and straightforward one-step access to fluoroalkylated hexestrol derivatives, nonsteroidal estrogens, is achieved in good to excellent isolated yields under organophotoredox conditions by using the stable and ea…
View article: Tailoring the Reactivity of the Langlois Reagent and Styrenes with Cyanoarenes Organophotocatalysts under Visible-Light.
Tailoring the Reactivity of the Langlois Reagent and Styrenes with Cyanoarenes Organophotocatalysts under Visible-Light. Open
The unprecedented selective and straightforward one-step access to fluoroalkylated hexestrol derivatives, nonsteroidal estrogens, is achieved in good to excellent isolated yields under organophotoredox conditions by using the stable and ea…
View article: Metal‐Free Visible‐Light Synthesis of Arylsulfonyl Fluorides: Scope and Mechanism
Metal‐Free Visible‐Light Synthesis of Arylsulfonyl Fluorides: Scope and Mechanism Open
The first metal‐free procedure for the synthesis of arylsulfonyl fluorides is reported. Under organo‐photoredox conditions, aryl diazonium salts react with a readily available SO 2 source (DABSO) to afford the desired product through simpl…
View article: Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation‐Induced Emission Properties
Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation‐Induced Emission Properties Open
Although tetraphenylethylene (TPE) and its derivatives have been the most commonly used building blocks in the construction of molecules with aggregation‐induced emission (AIE) properties, no absolute consensus exists regarding the mechani…
View article: Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation-Induced Emission Properties
Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation-Induced Emission Properties Open
A detailled study on the physicochemical processes taking place at the excited state of tetrapheyleneethylene derivatives, accounting for their spectacular well known AIE properties. Fo the firts time, quantum yield measurement allow to pr…
View article: Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation-Induced Emission Properties
Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation-Induced Emission Properties Open
A detailled study on the physicochemical processes taking place at the excited state of tetrapheyleneethylene derivatives, accounting for their spectacular well known AIE properties. Fo the firts time, quantum yield measurement allow to pr…
View article: Determination of Photoinduced Radical Generation Quantum Efficiencies by Combining Chemical Actinometry and <sup>19</sup>F NMR Spectroscopy
Determination of Photoinduced Radical Generation Quantum Efficiencies by Combining Chemical Actinometry and <sup>19</sup>F NMR Spectroscopy Open
We introduce a general and relatively straightforward protocol aimed at determining the absolute photoinduced radical generation efficiency via NMR monitoring. This approach relies on the use of a radical scavenger probe that combines a ni…
View article: Two-Photon Absorbing AIEgens: Influence of Stereoconfiguration on Their Crystallinity and Spectroscopic Properties and Applications in Bioimaging
Two-Photon Absorbing AIEgens: Influence of Stereoconfiguration on Their Crystallinity and Spectroscopic Properties and Applications in Bioimaging Open
This paper aims at designing chromophores with efficient aggregation-induced emission (AIE) properties for two-photon fluorescence microscopy (2PFM), which is one of the best-suited types of microscopy for the imaging of living organisms o…
View article: Chromophores présentant une émission à l'état solide induite à deux photons : synthèses et études de la dynamique des états excités en solution et en agrégats
Chromophores présentant une émission à l'état solide induite à deux photons : synthèses et études de la dynamique des états excités en solution et en agrégats Open
The design of biocompatible nano-objects used in fluorescence microscopy represents a major interest. In this perspective, chromophores with two-photon absorption (A2P) and aggregation induced emission (AIE) properties have been synthesize…