19053-14-6

Usage

Uses

Used in Organic Electronics:
4,4''-Diiodo-p-terphenyl is utilized as a dopant in the fabrication of organic semiconductors, enhancing the performance of electronic devices by improving their charge transport properties. Its incorporation into these materials is driven by the need for compounds that can modulate the electrical conductivity and stability of organic semiconductors.
Used in Photonic and Optoelectronic Devices:
In the photonic and optoelectronic industries, 4,4''-Diiodo-p-terphenyl is employed for its strong absorption and emission characteristics in the ultraviolet-visible range. This makes it suitable for applications such as light-emitting diodes (LEDs), photovoltaic cells, and other devices that rely on the manipulation of light for their operation.
Safety Considerations:
Due to its toxic and potentially hazardous nature, 4,4''-Diiodo-p-terphenyl must be handled with appropriate safety measures to mitigate risks associated with its use in research and industrial applications. This includes proper storage, handling protocols, and disposal methods to ensure the safety of both personnel and the environment.

Upstream product

• 92-94-4 [1,1';4',1'']terphenyl 
• 98-80-6 phenylboronic acid 
• 106-37-6 1.4-dibromobenzene 

Downstream Products

• 51119-57-4 C₄₂H₄₂ 
• 43141-54-4 2¹,5¹,2⁵,5⁵-Tetramethyl-p-quinquephenyl 
• 56739-94-7 5,5''''-Diisopropyl-2,2''''-dimethyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl 
• 66252-70-8 2,5,2',5',2''''',5''''',2'''''',5''''''-Octamethyl-[1,1';4',1'';4'',1''';4''',1'''';4'''',1''''';4''''',1'''''']septiphenyl 
• 62196-41-2 4,4''''-Dihexyl-[1,4';1',1'';4'',1''';4''',1'''']quinquephenyl 
• 55758-33-3 4,4''-Bis-phenylethynyl-[1,1';4',1'']terphenyl 
• 870707-43-0 4,4-bis(4-methoxy-2-methylphenylamino)-p-terphenyl 
• 1082540-35-9 C₅₈H₆₂O₈ 
• 1369968-56-8 4-octyl-2,6-bispyrazolylpyridine 
• 952431-34-4 N₄,N₄,N₄'',N₄''-tetrakis([1,1'-biphenyl]-4-yl)-[1,1':4',1''-terbenzene]-4,4''-diamine 

Relevant academic research and scientific papers

Synthesis of dicyanomethyl and nitro substituted p-polyphenyls and their salts

A one-step, medium-scale synthesis of several novel dicyanomethyl and nitro substituted p-polyphenyls from 4,4'- or 4''-diiodo-parapolyphenyls and from 4-iodo-4'- or 4''-nitro-p-polyphenyls, respectively, and sodium malononitrile using a palladium catalys

Two-dimensional oligoarylenes: Synthesis and structure-properties relationships

A novel series of two-dimensional π-conjugated oligoarylenes has been synthesized by a divergent approach using Pd-catalysed Suzuki cross-coupling of tetraiodophenylbenzene and arylboronic acid as a key step. It has been shown that the 'X-branched' structure can provide a useful platform to construct amorphous molecular materials as it can enhance the morphological and thermal stability as well as to facilitate solubility and processibility of a material when compared to those of the corresponding linear oligomers. The diphenylamino end-capped two-dimensional oligoarylenes were found useful as a hole transporting/emitting layer for light emitting applications.

AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING THE SAME

Of a specific structure novel aromatic amine derivatives, and at least a light-emitting layer between a cathode and an anode including 1 layer or an organic thin film composed of one layer interposed in an organic electroluminescent element, said organic thin film least 1 layer, hole transport layer in particular said aromatic amine derivatives by itself or as a component of a mixture by, whether or not result in crystallization of molecules, organic electroluminescent device corresponding to a predetermined liquid crystal and, tube having a long lifetime in organic electroluminescent device with high.

Selective and random syntheses of [n]cycloparaphenylenes (n = 8-13) and size dependence of their electronic properties

[n]Cycloparaphenylenes (n = 8-13, CPPs) were synthesized, and their physical properties were systematically investigated. [8] and [12]CPPs were selectively prepared from the reaction of 4,4′-bis(trimethylstannyl) biphenyl and 4,4′-bis(trimethylstannyl)terphenyl, respectively, with Pt(cod)Cl2 (cod = 1,5-cyclooctadiene) through square-shaped tetranuclear platinum intermediates. A mixture of [8]-[13]CPPs was prepared in good combined yields by mixing biphenyl and terphenyl precursors with platinum sources. Products were easily separated and purified by using gel permeation chromatography. In 1H NMR spectra, the proton of the CPPs shifts to a lower field as n increased due to an anisotropic effect from the nearby PP moieties. Although the UV-vis spectra were rather insensitive to the size of the CPPs, the fluorescence spectra changed significantly in relation to their size. A larger Stokes shift was observed for the smaller CPPs. Redox properties of the CPPs were measured for the first time by using cyclic voltammetry, and the smaller CPPs had lower oxidation potentials. The results are consistent with the HOMO energies of CPPs, of which the smaller CPPs had higher energies.

Synthesis and functional properties of symmetrically naphthyl-Based oligoarylenes with high glass-transition temperatures

Symmetrically naphthyl-based π-conjugated oligoarylenes, OPP(4)Ph-TNp, OPP(4)An-TNp and OPP(4)OXTNp have successfully been synthesized by a divergent approach using Pd-catalyzed Suzuki cross-coupling reaction of diiodo- or dibromo-oligoarylene and arylboronic acid as a key step. Their optical, electrochemical and thermal properties have also been characterized. These newly synthesized naphthyl-based oligoarylenes show highly morphological (Tg 149-187 °C) and thermal (Tdec 509-597 °C) stabilities as well as exhibit potential applications in optoelectronic fields.

PROTON-CONDUCTING ORGANIC MATERIALS

Proton-conducting material having a degree of crystallinity of at least 30%, which comprises: i) at least one organic compound having the formula (I), R1(R2)m(R3)n wherein - R1 is an optionally fused aromatic, c

AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME

A novel aromatic amine derivative which is a diamine compound having a p-terphenyl-4,4"-diyl structure. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched

AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME

The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.

Molecular design and preparation of bis-isophthalate electrochromic systems having controllable color and bistability

(Chemical Equation Presented) New electrochromic systems based on bis-isophthalates were designed and prepared. They showed electrochromism behavior by two-electron reduction. The displayed colors showed greatly enhanced bistability and were dependent on

Aromatic amine derivative and organic electroluminescence device employing the same

A novel aromatic amine derivative having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and is disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the aromatic amine derivative singly or as a component of a mixture. The device can be driven under a decreased voltage and has a long life. The device can be realized by using the derivative.