Tag: M.W:600-700

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.SDS of cas: 70775-75-6. The article 《High CRI and stable spectra white organic light-emitting diodes with double doped blue emission layers and multiple ultrathin phosphorescent emission layers by adjusting the thickness of spacer layer》 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).

The color rendering index (CRI) and Commission Internationale de L’Eclairage coordinate (CIEx,y) are significant parameters for the white organic light-emitting diodes (WOLEDs). We fabricate a series of the phosphorescent WOLED devices, in which there are two doped phosphorescent layers (for blue emission) on both sides of the emitting layer (EML) and three ultrathin phosphorescent layers (for red, orange and green emission) separated by the spacer layers (mCP) in EML. One doped blue emission layer near the hole transport layer contributes to CRI enhancement by increasing the doping concentration (x %) of the blue phosphorescent dye because Dexter energy transfer increases from the blue emission to the red emission. When x is 20, CRI reaches to 90 at 5 V in device A3. Based on device A3, CRI can be further improved to 94 in device B1 with a thinner thickness of the spacer layer (y = 1 nm) between the green emission layer and orange emission layer in EML because Dexter energy transfer from the green emission layer to the orange and red emission layer becomes easier. Although CRI declines, the spectra become more stable by increasing the thickness of the spacer layer (y = 3 nm) in device B2 or decreasing the thickness of the green emission layer (z = 0.05 nm) in device C, in which the CIEx,y coordinate shift is only (0.0214, 0.0102) from 5 V to 8 V.

If you want to learn more about this compound(Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III))Quality Control of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(435294-03-4).

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

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 An Amorphous Spirobifluorene-Phosphine-Oxide Compound as the Balanced n-Type Host in Bright and Efficient Light-Emitting Electrochemical Cells with Improved Stability, published in 2021-04-01, which mentions a compound: 435294-03-4, mainly applied to amorphous spirobifluorene phosphine oxide light emitting electrochem cell stability, Reference of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III).

A rational host-guest concept design for the attainment of high efficiency at strong luminance from light-emitting electrochem. cells (LECs) by suppression of exciton-polaron quenching [Tang et al., Nature Communications 2017, 8, 1190] has been reported. However, a practical drawback with the presented host-guest LEC devices was that the operational stability is insufficient for many applications. Here, a systematic study is performed, revealing that a major culprit for the limited operational stability is that the employed n-type host, 1,3-bis[2-(4-tert-butylphenyl)-1,3,4-oxadiazo-5-yl]benzene (OXD-7), has a strong propensity for crystallization and that this crystallization results in a detrimental phase separation of the constituents in the active material during device operation. The authors, therefore, identify an alternative class of concept-functional n-type hosts in the form of spirobifluorene-phosphine-oxide compounds, and report that the replacement of OXD-7 with amorphous 2,7-bis(diphenylphosphoryl)-9,9′-spirobifluorene results in a much improved operational lifetime of 700 h at >100 cd m-2 during constant-bias driving at an essentially retained high current efficacy of 37.9 cd A-1 and a strong luminance of 2940 cd m-2.

Here is a brief introduction to this compound(435294-03-4)Reference of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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 Fibres and films made from DNA and CTMA-modified DNA embedded with gold nanorods and organic light-emitting materials, the main research direction is gold nanorods organic light emitting DNA cetyltrimethylammonium chloride; CTMA-modified DNA; DNA; Electrospinner; Gold nanorod; Organic light-emitting material.Related Products of 435294-03-4.

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.

Here is a brief introduction to this compound(435294-03-4)Related Products of 435294-03-4, if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. 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 Hybrid white quantum dot-organic light-emitting diodes with highly stable CIEx,y coordinates by the introduction of n-type modulation and multi-stacked hole transporting layer, the main research direction is zinc oxide quantum dot organic light emitting diode.Application In Synthesis of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III).

Extremely stable white emission out of a hybrid white quantum dot-organic light-emitting diode (WQD-OLED) was achieved by developing a novel concept of device architecture. The new inverted device structure employs a thermally-evaporated red phosphorescent emitting layer (EML) with an n-type modulation and a multi-stacked hole transporting layer (HTL) on the top of solution-processed ZnO nanoparticles for an electron transporting layer and blue and green QD-mixed EML. The multi-stacked HTL, tris(4-carbazoyl-9-ylphenyl)amine (TCTA)/1,1-bis[(di-4-tolylamino)phenyl]cyclohexane (TAPC), and the n-type modulation layer, 2,2′,2′′-(1,3,5-benzinetriyl)-tris(1-phenyl-1-H-benzimidazole) (TPBi) successfully balanced low-mobility holes with high-mobility electrons, and uniformly distributed the charges across the blue/green QD and red EMLs. In particular, the role of the n-type modulation layer was comprehensively analyzed with impedance spectroscopy and verified to minimize the undesired Auger recombination by excess charges and broaden the recombination zone. Consequently, highly stable white emission (0.32 ± 0.02, 0.31 ± 0.02) in CIExy color coordinates over 4 V operating voltage range (or two decades of c.d.), 3.92% external quantum efficiency, and 3.83 h device lifetime at 500 cd m-2 up to 50% of the initial luminance (LT50) were simultaneously obtained.

Here is a brief introduction to this compound(435294-03-4)Application In Synthesis of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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

Recommanded Product: 435294-03-4. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. 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 Full-phosphorescence white organic light-emitting diode with high CRI: the exploitation of positive and reverse emitter sequences. Author is Yao, Fangnan; Dai, Xudong; Li, Jun; Cao, Jin.

The high color rendering index (CRI) and doping-free four-emitting-layer (EML) white organic light-emitting diode (WOLED) with bipolar spacer layer was researched by different emitter sequence arrangements (pos. emitter sequence: B-G-O-R, reverse emitter sequence: R-O-G-B). The resulting four-emitting-layer WOLEDs with different sequences show opposite CRI trends when voltage increases, which includes the decreased trend in B-G-O-R sequence and increased trend in R-O-G-B sequence. That leads to WOLEDs with different sequences exhibit the highest CRI at obviously distinguishing luminance, which are CRI of 86 @ 531 cd m-2 in B-G-O-R sequence and CRI of 87 @ 13,340 cd m-2 in R-O-G-B sequence, resp. Meanwhile, the B-G-O-R and R-O-G-B sequences devices also exhibit a difference in the power efficiency. The different manifestations of CRI and efficiency characteristics are meticulously analyzed by a combined operation of energy transfer mechanism, carrier trap effect and the movement of carrier recombination zone in EML, resulting in a meaningful concept to design high CRI WOLEDs in different application scene.

Here is a brief introduction to this compound(435294-03-4)Recommanded Product: 435294-03-4, if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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

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.Hui Yun, Ju; Lim, Junseop; Yeob Lee, Jun; Lee, Yoonkyoo; Chu, Changwoong researched the compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III)( cas:435294-03-4 ).Product Details of 435294-03-4.They published the article 《Triplet Exciton Upconverting Blue Exciplex Host for Deep Blue Phosphors》 about this compound( cas:435294-03-4 ) in Chemistry – A European Journal. Keywords: triplet exciton upconversion blue exciplex host phosphor phosphorescent LED; diode blue emitting phosphorescent triplet exciton upconversion blue exciplex; electroluminescent device organic blue phosphorescent triplet exciton upconversion exciplex; device lifetime; electron transport type host; exciplex host; hole stability; thermally activated delayed fluorescence. We’ll tell you more about this compound (cas:435294-03-4).

A thermally activated delayed fluorescence (TADF)-type exciplex host employing a novel electron-transport type (n-type) type host managing pos. polarons and stabilizing excitons was developed to elongate the device lifetime of deep blue phosphorescent organic light-emitting diodes (PhOLEDs). The bipolar n-type host was designed to prevent hole leakage and secure hole stability while being stabilized under excitons by introducing a CN-modified carbazole moiety as a weak donor. The TADF-type exciplex host-based blue PhOLEDs showed high (>20%) quantum efficiency with a deep blue color coordinate of (0.14, 0.16) and elongated device lifetime. The device operational lifetime of the blue PhOLEDs bearing the TADF-type exciplex host was extended by more than twice compared to that of the exciplex-free unipolar host. This work suggested a design concept of the n-type host to develop the TADF-type exciplex host for deep blue phosphors to reach a long lifespan in the deep blue PhOLEDs.

Here is a brief introduction to this compound(435294-03-4)Product Details of 435294-03-4, if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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, Advanced Functional Materials called Achieving High Electroluminescence Efficiency and High Color Rendering Index for All-Fluorescent White OLEDs Based on an Out-of-Phase Sensitizing System, Author is Liu, Hao; Chen, Jinke; Fu, Yan; Zhao, Zujin; Tang, Ben Zhong, 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, SDS of cas: 435294-03-4.

Sensitizing conventional fluorescence (CF) dopants with thermally activated delayed fluorescence (TADF) materials has achieved considerable progress, by which the advantages of TADF materials and CF dopants can be fully harnessed. However, the usually used co-phase configuration of CF dopant-engaged sensitizing systems often encounters exciton loss due to Dexter energy transfer (DET). Herein, an effective out-of-phase configuration is proposed to sensitize CF dopants in the fabrication of white organic light-emitting diodes (WOLEDs). Based on a new efficient sky-blue TADF luminogen DCP-BP-DPAC which has an electroluminescence (EL) peak at 486 nm and an EL efficiency of 26.6%, a green TADF material BDMAC-XT, and a red CF dopant DBP sensitized by BDMAC-XT through an out-of-phase configuration without interlayer, efficient WOLEDs are successfully fabricated. By further adopting orange TBRB or 4CzTPNBu as intermediate sensitizers, more efficient energy transfer to DBP is achieved via Forster energy transfer. Through step-by-step energy transfer and elimination of excess DET process, high-performance all-fluorescent WOLEDs are achieved, providing excellent EL efficiencies over 23.0%, and highly stable white light with a high color rendering index of 87. The outstanding EL performance and high-quality emission color demonstrate the great potential of the proposed out-of-phase design for sensitizing systems of WOLEDs.

Here is a brief introduction to this compound(435294-03-4)SDS of cas: 435294-03-4, if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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.HPLC of Formula: 17927-65-0. The article 《Determination of emitting dipole orientation 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).

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.

Here is a brief introduction to this compound(435294-03-4)COA of Formula: C35H27N2O2Ir, if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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

Category: thiazole. 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 tert-Butyl-substituted bicarbazole as a bipolar host material for efficient green and yellow PhOLEDs.

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. Here is a brief introduction to this compound(435294-03-4)Category: thiazole, if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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

Application In Synthesis of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III). 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 The width of exciton formation zone dominates the performance of phosphorescent organic light emitting diodes. Author is Sun, Weidong; Wang, Shiyu; Jin, Shuting; Guan, Xi; Liu, Wenxing; Zhou, Liang; Qin, Dashan.

Abstract: Phosphorescent organic light emitting diodes (PHOLEDs) have been fabricated with structure of indium tin oxide/MoO3 doped 4,4′-N,N’-dicarbazole-biphenyl (CBP) 30 nm/tris(4-carbazoyl-9-ylphenyl)amine 10 nm/CBP doped with tris(2-phenylpyridine)iridium(III) (CBP:Ir(ppy)3) x/bathocuproine 50 nm/LiF 1 nm/Al, where x = 2.5, 5, 10, and 20 nm, resp. The current efficiency (CE) of device with x = 10 nm is higher than those with x = 2.5 and 5 nm, mostly because the width of exciton formation zone (5.7 nm) with x = 10 nm is larger than those (2.5 and 5 nm) with x = 2.5 and 5 nm. However, the c.d. with x = 10 nm decreases than those with x = 2.5 and 5 nm at a certain driving voltage, since the ∼ 4.3 nm CBP:Ir(ppy)3 accommodating no exciton formation with x = 10 nm plays a role of transporting holes, raising ohmic loss of hole and thereby increasing driving voltage. When x increases from 10 to 20 nm, the width of exciton formation zone rises from 5.7 to 6.8 nm with CE almost unchanged, and the c.d. decreases as a result of increased ohmic loss of hole. The current research is useful to develop high-efficiency and low-driving voltage PHOLEDs.

Here is a brief introduction to this compound(435294-03-4)Application In Synthesis of Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), if you want to know about other compounds related to this compound(435294-03-4), you can read my other articles.

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