190334-75-9

Upstream product

• 119001-43-3 tris(4-formylphenyl)amine 
• 2065-66-9 methyl-triphenylphosphonium iodide 
• 1779-49-3 Methyltriphenylphosphonium bromide 
• 603-34-9 N,N-diphenylaminobenzene 

Downstream Products

• 190334-74-8 4,4',4-tris[2-(triethoxysilyl)-ethyl]triphenylamine 
• 1256354-85-4 tris{4-[2-(5-(5-formyl-4-hexyl-2-thienyl)-3-hexyl-2-thienyl)vinyl]phenyl}amine 

Relevant academic research and scientific papers

Hyperbranched conjugated polyelectrolyte bilayers for solar-cell applications

Cationically and anionically charged hyperbranched conjugated polyelectrolytes (HB-CPEs) PNMe3+ and PSO3- have been synthesized via the Heck coupling method using A3 + B2 type approach. Both HB-CPEs are highly f

Towards "smart" multiphoton fluorophores: Strongly solvatochromic probes for two-photon sensing of micropolarity

New fluorophores, combining broad, very high two-photon absorption in the near-infrared region with a marked dependence of their emission spectra on solvent polarity, have been designed as model probes for two-photon sensing of the chemical environment. T

Two-photon polarity probes built from octupolar fluorophores: Synthesis, structure-properties relationships, and use in cellular imaging

A series of octupolar fluorophores built from a triphenylamine (TPA) core connected to electron-withdrawing (EW) peripheral groups through conjugated spacers has been synthesized. Their photoluminescence, solvatochromism, and two-photon absorption (2PA) properties were systematically investigated to derive structure-property relationships. All derivatives exhibit two 2PA bands in the 700-1000 nm region: a first band at low energy correlated with a core-to-periphery intramolecular charge transfer that leads to an intense 1PA in the blue-visible range, and a second more intense band at higher energy due to an efficient coupling of the branches through the TPA core. Increasing the strength of the EW end groups or the length of the conjugated spacers and replacing triple-bond linkers with double bonds induces both enhancement and broadening of the 2PA responses, thereby leading to cross-sections up to 2100 GM at peak and higher than 1000 GM over the whole 700-900 nm range. All derivatives exhibit intense photoluminescence (PL) in low- to medium-polarity environments (with quantum yields in the 0.5-0.9 range) and display a strong positive solvatochromic behavior (with Lippert-Mataga specific shifts ranging from 15 000 to 27 500 cm-1), triple bonds, and phenyl moieties in the conjugated spacers, thereby leading to larger sensitivities than those of double bonds and thienyl moieties. More hydrophilic derivatives were also shown to be biocompatible, to retain their 2PA and PL properties in biological conditions, and finally to be suitable as polarity sensors for multiphoton cell imaging. Copyright

Synthesis, photophysical and iron-sensing properties of terpyridyl-based triphenylamine derivatives

A series of new terpyridyl phenyl/styryl triphenylamine chromophores were designed and synthesized. The branching number and the rigid/flexible bridge structures had a remarkable effect on the photophysical, selectivity and sensitivity for Fe(II) ion properties of these chromophores. The fluorescence lifetimes of the rigid terpyridyl phenyl triphenylamine chromophores are longer than that of the flexible terpyridyl styryl triphenylamine derivatives. The terpyridyl phenyl/styryl triphenylamine chromophores present an increasing fluorescence lifetime with the increase in the number of branches from 1 to 3. The terpyridyl flexible styryl triphenylamine derivatives have a higher sensitivity than that of the terpyridyl rigid phenyl triphenylamine derivatives for Fe(II) ion in neutral aqueous solution amongst other divalent metal ions such as Cu2+, Co2+, Ni2+, Hg2+, Mg2+, Pb2+, Zn2+.

Synthesis and characterization of highly soluble two-photon-absorbing chromophores with multi-branched and dendritic architectures

A set of novel multi-polar compounds composed of four fluorene-based derivatives with systematic alteration of the molecular structure was synthesized and their nonlinear optical properties in the femtosecond and nanosecond time domain were examined. Preliminary experimental results show that the two-photon activities of the model compounds are connected to structural parameters, such as the number of peripheral electron-donating groups and/or the size of the π-domain in a dye molecule. It is also found that these model chromophores possess large nonlinear attenuation under the irradiation of laser pulses working at nanosecond regimes, indicating that these compounds may have strong two-photon-assisted excited-state absorption within the studied spectral region. Effective optical-power-limiting behaviors of the dendritic fluorophores were also demonstrated to show that such dye molecules can be potential materials for use as broadband and rapid-responsive optical limiters, especially against laser lights with longer pulses.

A new disc-shaped mesogenic compound with olefinic linkage derived from triphenylamine: synthesis, mesogenic behavior and fluorescence properties

A new disc-like triphenylamine containing mesogenic compound has been synthesized by the implementation of the Heck and ring-closing metathesis-based reactions in good yield. The designed and synthesized compound showed rectangular columnar mesophase and this is the first report of liquid crystalline phase of the triphenylamine-based compound with an olefinic linkage. The disc-shaped compound exhibited excellent fluorescence properties.

Organosilicon-modified charge transporting compound and curable composition containing the compound and having charge transporting ability

An organosilicon-modified charge transporting compound having a structure represented by the following Formula (I): wherein A represents a charge transporting group, Q represents a hydrolytic group or a hydroxyl group, R2represents a monovalent hydrocarbon group or a halogen-substituted monovalent hydrocarbon group having 1 to 15 carbon atoms, n is 1 to 18, m is 1 to 3, and 1 is 1 to 5; and a curable composition containing the organosilicon-modified charge transporting compound and a cure type resin chiefly composed of an organosilicon high polymer.

Silicon containing charge transport compounds

A silicon-containing charge transporting material represented by formula wherein A denotes an organic group derived from a charge transporting compound having an ionization potential within the range of 4.5-6.2 e V, which is a tertiary amine having a plurality of aromatic groups, R1is an alkylene group of 1-18 carbon atoms, R2is a monovalent hydrocarbon group or a halogen-substituted monovalent hydrocarbon group of 1-15 carbon atoms , Q is a hydrolyzable group; and n and p are each integers from 1-3.

Method of manufacturing a cohydrolyzed polysiloxane charge transporting material

The invention provides a method for manufacturing a polysiloxane resin with charge transporting properties by uniformly bonding charge transporting groups in effective concentration within a polysiloxane resin. The charge transporting groups are formed in the resin by cohydrolyzing and condensing silane monomers with an aromatically substituted tertiary amine which has been modified by substitution of one or more of the aromatic rings with a hydrocarbon group containing a silyl group bearing hydrolyzable substituents. Tertiary amines have ionization potentials of 4.5 to 6.2 volts.

Method of manufacturing a polysiloxane charge transporting material

The invention provides a method for manufacturing a polysiloxane resin with charge transporting property by uniformly dissolving a charge transporting material to a practical concentration in a polysiloxane resin. The charge transporting material that is dissolved in the polysiloxane resin is an aromatically substituted tertiary amine which has been modified by substitution of one or more of the aromatic groups with a hydrocarbon group containing a silyl group with hydrolyzable substituents.