Category: 435294-03-4

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Dual-emitting nanocomposites for oxygen-carrying capacity analysis and boosted singlet oxygen generation in stored red blood cells, published in 2019-12-31, which mentions a compound: 435294-03-4, mainly applied to conjugated polymer nanoconjugate oxygen detection red blood cell, Product Details of 435294-03-4.

We combined the unique natural oxygen transporting function of red blood cells (RBCs) with photosensitive nanocomposites to create biomaterials with strong singlet oxygen (1O2) generation. During cold storage for a long time, structural changes to RBCs may occur, which reduce their oxygen carrying capacity. The nanocomposite developed herein featured dual emission characteristic, which enabled evaluation of the status of the RBCs. On the basis of energy transfer from the conjugated polymer to iridium(III) complexes, the formed nanocomposites show intense, long-lived and oxygen-sensitive emission. When modified with 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethyleneglycol)-2000], the nanocomposites non-invasively entered RBCs through hydrophobic interactions. We measured the quenching effect of oxygen on the emission of the iridium(III) complexes. The differential fluorescent signals and fluorescence lifetime images indicated the storage history of the RBCs. RBCs in good condition stored oxygen. When engineered with nanocomposites, RBCs generated large amounts of cytotoxic 1O2 upon irradiation These decorated RBCs might serve as a new kind of photosensitive biomaterial.

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Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Li, Jun; Cao, Jin; Dai, Xudong published an article about the compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III)( cas:435294-03-4,SMILESS:CC1=O[Ir+3]23([N]4=CC=C(C=CC=C5)C5=C4C6=CC=CC=[C-]36)(O=C(C)[CH-]1)[N]7=CC=C(C=CC=C8)C8=C7C9=CC=CC=[C-]29 ).Recommanded Product: 435294-03-4. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:435294-03-4) through the article.

Tetra-chromatic (Blue-Green-Red-Orange) white organic light-emitting diodes (WOLEDs) with superior color stability was demonstrated. Strong carrier trapping effects of red dyes cause significant color shift in multi-color WOLEDs. The high color stability here is attributed to the decrease of red dye trapping sites and enhancement of effective energy transfer to red dye while maintaining appropriate exciton concentration near red dye. As luminance increased from 1000 to 10000 cd m-2, variations in Commission Internationale de L’Eclairage are merely (0.007, 0.007). Furthermore, this color-stable WOLED achieved a color rendering index close to 90 simultaneously. Our work shows the manipulation of red dye is crucial for achieving superior color stability in multi-color WOLEDs.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

COA of Formula: C35H27N2O2Ir. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), is researched, Molecular C35H27N2O2Ir, CAS is 435294-03-4, about Plausible degradation mechanisms in organic light-emitting diodes.

Organic light emitting diode has become a highly attractive technol. for high quality displays and lighting. These applications, however, strongly rely on their lifetime. Probing all the possible failure mechanisms has hence become crucial. We reveal here that the device lifespan depends on the dielec. strength, internal elec. field, morphol., thermal stability, and migration of the composing organic and inorganic materials as well as span of recombination zone and device efficiency. Addnl., the lifetime is highly sensitive to the thickness of electron transporting layer. By taking a green emitter doped in 4,4-bis(carbazol-9-yl)biphenyl host for example, the device lifetime can be increased from 51 to 209 h at 1000 cd/m2, an increment of 310%, and its efficacy increased from 21 to 41 lm/W, an increment of 96%, as the thickness is increased from 20 to 40 nm. The results show high device reliability to be achievable provided it composes materials with high dielec. strength, high glass transition property and low migration tendency, and uniform layered structure with low built-in internal elec. field, wide recombination zone and high efficiency.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

HPLC of Formula: 435294-03-4. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), is researched, Molecular C35H27N2O2Ir, CAS is 435294-03-4, about Determination of emitting dipole orientation in organic light emitting diodes. Author is Jiang, Nan; Yang, Han-Nan; Man, Jia-Xiu; Zhang, Tao; He, Shou-Jie; Wang, Deng-Ke; Lu, Zheng-Hong.

The dipole orientation of a light-emitting mol. dictates the external quantum efficiency (EQE) of an organic light emitting diode (OLED). In this paper, we studied both exptl. and theor. relationships between dipole orientation and measurable optical properties of working OLEDs. Theor. electroluminescence (EL) spectrum, EQE, and luminance angle distribution are simulated by incorporating the dipole radiation pattern into Fabry- Perot cavity theory with horizontal dipole ratio as a variable parameter. The horizontal ratio is determined by optimizing the fitness of theor. EL spectra to the exptl. data and EL angular distribution. We show that the optical model proposed in this paper describes well the emission dipole dependent device optical data including EL spectra, EQEs, and EL luminance angular distributions. The emission fill factor (EFF), defined as the area ratio of EL angular distribution to the Lambertian curve, is found to follow a linear relationship with horizontal dipole ratio. These results provide a simple guide to deduce dipole orientations in working OLEDs.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III)(SMILESS: CC1=O[Ir+3]23([N]4=CC=C(C=CC=C5)C5=C4C6=CC=CC=[C-]36)(O=C(C)[CH-]1)[N]7=CC=C(C=CC=C8)C8=C7C9=CC=CC=[C-]29,cas:435294-03-4) is researched.Category: thiazole. The article 《Plausible degradation mechanisms in organic light-emitting diodes》 in relation to this compound, is published in Organic Electronics. Let’s take a look at the latest research on this compound (cas:435294-03-4).

Organic light emitting diode has become a highly attractive technol. for high quality displays and lighting. These applications, however, strongly rely on their lifetime. Probing all the possible failure mechanisms has hence become crucial. We reveal here that the device lifespan depends on the dielec. strength, internal elec. field, morphol., thermal stability, and migration of the composing organic and inorganic materials as well as span of recombination zone and device efficiency. Addnl., the lifetime is highly sensitive to the thickness of electron transporting layer. By taking a green emitter doped in 4,4-bis(carbazol-9-yl)biphenyl host for example, the device lifetime can be increased from 51 to 209 h at 1000 cd/m2, an increment of 310%, and its efficacy increased from 21 to 41 lm/W, an increment of 96%, as the thickness is increased from 20 to 40 nm. The results show high device reliability to be achievable provided it composes materials with high dielec. strength, high glass transition property and low migration tendency, and uniform layered structure with low built-in internal elec. field, wide recombination zone and high efficiency.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Electric Literature of C35H27N2O2Ir. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), is researched, Molecular C35H27N2O2Ir, CAS is 435294-03-4, about Rational Molecular Design of Azaacene-Based Narrowband Green-Emitting Fluorophores: Modulation of Spectral Bandwidth and Vibronic Transitions. Author is Ha, Jung Min; Shin, Hye Beom; Joung, Joonyoung Francis; Chung, Won Jae; Jeong, Ji-Eun; Kim, Sangin; Hur, Seon Hyoung; Bae, Suk-Young; Kim, Jun-Yun; Lee, Jun Yeob; Park, Sungnam; Woo, Han Young.

A series of green-emitting fluorophores based on a tetra-azaacene core is synthesized by introducing nitrile substituents at different positions. Their mol. structure-optical property relationship [i.e., vibronic transitions in photoluminescence (PL) and electroluminescence (EL) spectra] is investigated to obtain a sharp emission where the vibronic peak ν0-0 should be intensified by suppressing ν0-n (n = 1, 2, 3…) transitions. The intensity ratios (I0-1/I0-0) of the ν0-1 and ν0-0 vibronic transitions in the PL spectra of DBBNP, DBBNP2CN1, and DBBNP2CN2 in hexane are 1.13, 0.80, and 0.67, resp. Theor. calculations explain that the CN substitution at positions 8 and 13 in DBBNP2CN2 induces a uniform charge distribution and reduces the Huang-Rhys factors (HRFs) of the vibrational normal modes coupled to the electronic transition. The organic light-emitting diode (OLED) fabricated with DBBNP2CN2 shows a narrower green EL emission at 518 nm with a smaller bandwidth (50 nm) than those of devices adopting DBBNP or DBBNP2CN1. The careful modification of the mol. structures and positions of substituents enables us to reduce the HRFs of vibrations to achieve a narrow emission bandwidth with decreased I0-1/I0-0, which suggests a design strategy to develop narrowband organic fluorophores to improve the color purity for wide-gamut OLED displays.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 435294-03-4, is researched, Molecular C35H27N2O2Ir, about tert-Butyl-substituted bicarbazole as a bipolar host material for efficient green and yellow PhOLEDs, the main research direction is butylbicarbazole bipolar host phosphorescent organic green yellow LED; diode green yellow emitting organic phosphorescent butylbicarbazole bipolar host; electroluminescent device green yellow organic phosphorescent butylbicarbazole bipolar host.Electric Literature of C35H27N2O2Ir.

For host materials, a high triplet energy (ET) value and good charge transporting ability with appropriate frontier orbital energy are vital properties to achieve efficient phosphorescent organic light emitting diodes (PhOLEDs). A novel host material, 3,3′,6,6′-tetra-tert-butyl-9,9′-bicarbazole (tcaz-tcaz), was designed and synthesized by an intermol. N-N coupling reaction of 9,9′-bicarbazoles. The compound displays excellent thermal and morphol. stability with a decomposition temperature (Td) of 302° and a small value of root-mean-square roughness <0.670 nm for neat film, resp. Tcaz-tcaz possesses a high ET value of 3.0 eV and suitable HOMO/LUMO of -5.71 eV/-2.08 eV. Tcaz-tcaz hosted devices exhibit maximum external quantum, power and current efficiencies of 15.5%, 40.0 lm W-1 and 56.1 cd A-1, resp., with a low turn-on voltage of 2.4 V for Ir(ppy)3 and 11.0%, 35.6 lm W-1 and 35.9 cd A-1 for PO-01. Orange and red devices were also fabricated, showing inferior performance with a maximum external quantum efficiency of 3.81% for Ir(MDQ)2(acac) and 6.41% for Ir(piq)2(acac), resp. Thus, tcaz-tcaz is promising for use as a host material for the future exploration in multi-color PhOLEDs. As far as I know, this compound(435294-03-4)Electric Literature of C35H27N2O2Ir can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Electric Literature of C35H27N2O2Ir. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), is researched, Molecular C35H27N2O2Ir, CAS is 435294-03-4, about Fibres and films made from DNA and CTMA-modified DNA embedded with gold nanorods and organic light-emitting materials. Author is Mariyappan, Karthikeyan; Park, Suyoun; Nanda, Sitansu Sekhar; Kokkiligadda, Samanth; Jo, Soojin; Lee, Jayeon; Tandon, Anshula; Yi, Dong Kee; Park, Sung Ha.

The scaffolding of DNA (DNA) makes DNA mols. effective templates for hosting various types of nanomaterials. Recently, electrospun fibers formed by a variety of polymers have begun to see use in a number of applications, such as filtration in energy applications, insulation in thermodn. and protein scaffolding in biomedicine. In this study, we constructed electrospun fibers and thin films made of DNA and cetyltrimethylammonium chloride (CTMA)-modified DNA (CDNA) embedded with dyes, organic light-emitting materials (OLEMs), and gold nanorods (GNRs). These materials provide significant advantages, including selectivity of dimensionality, solubility in organic and inorganic solvents, and functionality enhancement. In addition, coaxial fibers made of CDNA were constructed to demonstrate the feasibility of constructing relatively complex fibers with an electrospinner. To determine the basic phys. characteristics of the fibers and thin films containing GNRs and OLEMs, we conducted current measurements, photoluminescence (PL) measurements, XPS, and UV-visible (UV-Vis) spectroscopy. The currents in DNA and CDNA were found to exhibit Ohmic behavior, while the PL emission could be controlled by OLEMs. In addition, the XPS provided the chem. configuration of samples, and the UV-Vis spectra revealed the plasmon resonance of GNR. Due to their simple fabrication and enhanced functionality, these DNA and CDNA fibers and thin films could be used in various devices (e.g., filters or blocking layers) and sensors (e.g., gas detectors and bio sensors) in a number of industries.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Organic Electronics called Pyrene-based hyperbranched porous polymers with doped Ir(piq)2(acac) red emitter for highly efficient white polymer light-emitting diodes, Author is Wu, Yuling; Li, Xuefeng; Zhao, Haocheng; Li, Jie; Miao, Yanqin; Wang, Hua; Zhu, Furong; Xu, Bingshe, which mentions a compound: 435294-03-4, SMILESS is CC1=O[Ir+3]23([N]4=CC=C(C=CC=C5)C5=C4C6=CC=CC=[C-]36)(O=C(C)[CH-]1)[N]7=CC=C(C=CC=C8)C8=C7C9=CC=CC=[C-]29, Molecular C35H27N2O2Ir, Reference of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III).

Here, we designed and prepared a series of hyperbranched porous polymers constructed using fluorene branches and pyrene core, and all hyperbranched porous polymers exhibit intense blue fluorescence, good morphol. stability, and high thermal stability. Further, it is found that the aperture sizes for hyperbranched porous polymers can be adjusted by simply changing the content of pyrene and fluorene in the synthesis process. When the feed ratios of pyrene in the total polymers is 15 mol%, the optimized aperture size was obtained, which is slightly larger than the maxlength of complementary red emitter Bis(1-phenylisoquinoline)(acetylacetonate)iridium (III) (Ir(piq)2acac), indicating the Ir(piq)2acac can well distributed in the apertures of hyperbranched porous polymers in co-doped film of Ir(piq)2acac and hyperbranched porous polymers. The fabricated polymer-light-emitting diode (PLED) with such co-doped film as light-emitting layer realizes good white emission with almost equal blue and red emission intensity from hyperbranched porous polymers and Ir(piq)2acac. The balanced electroluminescent (EL) spectra contribute to ideal Commission Internationale de l’Eclairage (CIE) coordinate of (0.326, 0.374) located at white light zone. In addition, the device also achieves high device performance with maximum luminance and current efficiency reaching 5369 cd/m2 and 8.35 cd/A, resp. We believe that such porous-structure polymers have huge potential applications in the development of highly efficient white PLEDs with reducing production cost.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Related Products of 435294-03-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), is researched, Molecular C35H27N2O2Ir, CAS is 435294-03-4, about Lead-Halide Perovskite as the Host Material for Solution-Processed Phosphorescent Organic Light-Emitting Diodes. Author is Zhang, Xin; Song, Dandan; Zhao, Suling; Qiao, Bo; Meng, Juan; Li, Yaoyao; Zhou, Lin; Xu, Zheng.

Phosphorescent organic light-emitting diodes (PhOLEDs) are a kind of highly efficient and solution-processable devices for displays and light sources, which employ phosphorescent material as the guest and the carrier transport material as the host in the emission layer (EML). Organic-inorganic perovskites, which possess unique bipolar carrier transport ability and can be facilely fabricated from solution precursors, are potential candidates for host materials of solution-processed PhOLEDs. Herein, we report the use of lead-halide perovskite, MAPbBr3 (MA = CH3NH3), as the host material of a phosphorescent emitter, bis(1-phenyl-isoquinoline-C2,N)(acetylacetonato)iridium(III) (Ir(piq)2acac). The MAPbBr3:Ir(piq)2acac EML was fabricated through solution-processing, and the corresponding PhOLEDs exhibit bright pure red electroluminescence (EL) originating from Ir(piq)2acac in the MAPbBr3:Ir(piq)2acac EML. Using steady and dynamic luminescence techniques, we prove that MAPbBr3 perovskite acts as the host material in the EML and that the charge transfer plays a critical role in the EL process of Ir(piq)2acac. This work proves the potential of the lead-halide perovskites utilized as the host materials in PhOLEDs.

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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica