Category: 4316-58-9

COA of Formula: C18H12Br3NIn 2021 ,《Constructing Cationic Metal-Organic Framework Materials Based on Pyrimidyl as a Functional Group for Perrhenate/Pertechnetate Sorption》 was published in Inorganic Chemistry. The article was written by Kang, Kang; Li, Lei; Zhang, Meiyu; Zhang, Xingwang; Lei, Lecheng; Xiao, Chengliang. The article contains the following contents:

Cationic metal-organic framework (MOF) materials are widely used in the anion separation field, but there are few reports of pyrimidyl ligands as building units. In this work, three new cationic MOFs based on pyrimidyl as functional group ligands were synthesized for the removal of radioactive pertechnetate from aqueous solution The pyrimidyl ligands were designed by incorporating pyrimidyl units into the skeletons of benzene, triphenylamine, and tetraphenylethylene, resp. Taking advantage of multiple coordination sites of pyrimidyl groups, three cationic MOFs (ZJU-X11, ZJU-X12, and ZJU-X13) with diverse structures were solvothermally synthesized using silver ion as the metal node. SEM-energy-dispersive spectroscopy mapping demonstrated that these three cationic MOFs could capture ReO4- via anion exchange, but the sorption capabilities were distinctly different. With 95% removal toward ReO4-, ZJU-X11 showed the strongest anion-exchange competence among the three MOFs. According to the results of batch experiments, ZJU-X11 could achieve sorption equilibrium within 10 min, remove 518 mg of ReO4- per 1 g of ZJU-X11, remove most of ReO4- after four recycles, and maintain satisfactory selectivity in the presence of excess competing anions, which is one of the best MOF materials for removing ReO4-/TcO4- among the three cationic MOFs. This work indicates that the pyrimidyl group is a promising multiple site to build versatile cationic MOFs. In the experiment, the researchers used Tris(4-bromophenyl)amine(cas: 4316-58-9COA of Formula: C18H12Br3N)

In general, Tris(4-bromophenyl)amine(cas: 4316-58-9) is often used in the synthesis of porous luminescent covalent–organic polymers (COPs)COA of Formula: C18H12Br3N

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Bromide – Wikipedia,
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《Conjugated microporous polymer network grafted carbon nanotube fibers with tunable redox activity for efficient flexible wearable energy storage》 was published in Chemistry of Materials in 2020. These research results belong to Wei, Lyu; Zhang, Weiyi; Liu, He; Liu, Yunpeng; Zuo, Hongyu; Yan, Chunna; Faul, Charl F. J.; Thomas, Arne; Zhu, Meifang; Liao, Yaozu. Safety of Tris(4-bromophenyl)amine The article mentions the following:

Fiber-shaped supercapacitors (FSCs) are promising energy storage devices that meet the growing demands for the miniaturization, flexibility, and compatibility of wearable electronics. However, when compared with batteries, the low energy d. remains the main limitation to practical applications. A conjugated microporous polymer (CMP) network synthesized using Buchwald-Hartwig cross-coupling reactions featured tailorable porous structures, reversible redox chem., and demonstrated highly efficient capacitive performance. Herein, the CMP network that grafted on carbon nanotube fibers (CNF@CMP) with high areal specific capacitance (671.9 mF cm-2 at a c.d. of 1 mA cm-2) was successfully achieved for a polytriphenylamine (PTPA)-based network. All-solid-state sym.-twisted CNF@PTPA FSCs fabricated with PVA/H3PO4 as a gel electrolyte exhibited a high specific areal capacitance of 398 mF cm-2 (0.28 mA cm-2), a maximal operating voltage of 1.4 V, and an energy d. of 18.33μWh cm-2. Moreover, they showed excellent flexibility and mech. stability retaining 84.5% of the initial capacitance after 10,000 bending cycles. These materials provide a new route to high-performance wearable supercapacitors (HPWS) with wide potential applications in wearable electronics, as shown by the examples provided. After reading the article, we found that the author used Tris(4-bromophenyl)amine(cas: 4316-58-9Safety of Tris(4-bromophenyl)amine)

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《A Mechanistic and Cautionary Case Study on the Use of Alternating Potential in Electrochemical Reactions》 was written by Wills, Alfie G.; Poole, Darren L.; Alder, Catherine M.; Reid, Marc. Application of 4316-58-9 And the article was included in ChemElectroChem in 2020. The article conveys some information:

A mechanistic study on use of alternating potential (i. e. electrode polarity switching) in synthetic organic electrochem. method development using the IKA ElectraSyn 2.0 is described. Unexpected product selectivity challenges revealed that alternating potential facilitated direct, rather than mediated, electrochem. benzylic C-H oxidation of toluene derivatives While constant potential irresp. of the direction of electrode polarity was expected, our in-depth anal. revealed changes in the magnitude of applied potential with periodic switching of electrode polarity. These findings highlight an equipment engineering concern that is likely to influence and inform optimization strategies for a wide range of synthetic organic electrochem. methods under development. The results came from multiple reactions, including the reaction of Tris(4-bromophenyl)amine(cas: 4316-58-9Application of 4316-58-9)

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《Molecularly engineered hole-transport material for low-cost perovskite solar cells》 was written by Pashaei, Babak; Bellani, Sebastiano; Shahroosvand, Hashem; Bonaccorso, Francesco. Product Details of 4316-58-9 And the article was included in Chemical Science in 2020. The article conveys some information:

Triphenylamine-N-phenyl-4-(phenyldiazenyl)aniline (TPA-AZO) is synthesized via a facile CuI-catalyzed reaction and used as a hole transport material (HTM) in perovskite solar cells (PSCs), as an alternative to the expensive spiro-type mol. materials, including com. 2,2′,7,7′-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9′-spirobifluorene (spiro-OMeTAD). Exptl. and computational investigations reveal that the HOMO (HOMO) level of TPA-AZO is deeper than that of spiro-OMeTAD, and optimally matches with the conduction band of the perovskite light absorber. The use of TPA-AZO as a HTM results in PSC prototypes with a power conversion efficiency (PCE) approaching that of the spiro-OMeTAD-based reference device (17.86% vs. 19.07%). Moreover, the use of inexpensive starting reagents for the synthesis of TPA-AZO makes the latter a new affordable HTM for PSCs. In particular, the cost of 1 g of TPA-AZO ($22.76) is significantly lower compared to that of spiro-OMeTAD ($170-475). Overall, TPA-AZO-based HTMs are promising candidates for the implementation of viable PSCs in large-scale production In the experiment, the researchers used Tris(4-bromophenyl)amine(cas: 4316-58-9Product Details of 4316-58-9)

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《A contorted nanographene shelter》 was written by Wu, Huang; Wang, Yu; Song, Bo; Wang, Hui-Juan; Zhou, Jiawang; Sun, Yixun; Jones, Leighton O.; Liu, Wenqi; Zhang, Long; Zhang, Xuan; Cai, Kang; Chen, Xiao-Yang; Stern, Charlotte L.; Wei, Junfa; Farha, Omar K.; Anna, Jessica M.; Schatz, George C.; Liu, Yu; Fraser Stoddart, J.. Recommanded Product: 4316-58-9This research focused ontriphenylamine nanographene cage preparation crystal structure NCI. The article conveys some information:

Abstract: Nanographenes have kindled considerable interest in the fields of materials science and supramol. chem. as a result of their unique self-assembling and optoelectronic properties. Encapsulating the contorted nanographenes inside artificial receptors, however, remains challenging. Herein, we report the design and synthesis of a trigonal prismatic hexacationic cage, which has a large cavity and adopts a relatively flexible conformation. It serves as a receptor, not only for planar coronene, but also for contorted nanographene derivatives with diameters of approx. 15 Å and thicknesses of 7 Å. A comprehensive investigation of the host-guest interactions in the solid, solution and gaseous states by experimentation and theor. calculations reveals collectively an induced-fit binding mechanism with high binding affinities between the cage and the nanographenes. Notably, the photostability of the nanographenes is improved significantly by the ultrafast deactivation of their excited states within the cage. Encapsulating the contorted nanographenes inside the cage provides a noncovalent strategy for regulating their photoreactivity. The results came from multiple reactions, including the reaction of Tris(4-bromophenyl)amine(cas: 4316-58-9Recommanded Product: 4316-58-9)

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《Tuning phosphorescence features of triphenylamines by varying functional groups and intermolecular interactions》 was written by Goudappagouda; Asokan, Kiran; Nayak, Rashmi; Krishnan, Retheesh; Babu, Sukumaran Santhosh. SDS of cas: 4316-58-9This research focused ontriphenylamine intermol interaction phosphorescence fluorescence property. The article conveys some information:

Organic room temperature phosphorescent materials are known for their synthetic feasibility, tunable phosphorescence wavelength and lifetime, etc. Hence new design strategies have been applied on various fluorophores to improve phosphorescence features. Among those, triphenylamines are phosphorescence active due to the presence of nitrogen atom, propeller mol. structure, and intermol. interactions in the crystal state. Here we have studied the room temperature phosphorescence of a series of triphenylamines with various functional groups. Detailed studies have shown that the phosphorescence can be fine-tuned by functional group modification. A long phosphorescence lifetime around 100 ms at room temperature in air can be achieved by the interplay of intermol. interactions, singlet-triplet energy gap and extent of intersystem crossing using functional group variation. Interestingly, an exciplex assisted ultralong phosphorescence lifetime (more than 20 times) is observed for a combination of triphenylamine and naphthalenemonoimide in air. In addition to this study using Tris(4-bromophenyl)amine, there are many other studies that have used Tris(4-bromophenyl)amine(cas: 4316-58-9SDS of cas: 4316-58-9) was used in this study.

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Hu, Xuefu; Wang, Zhiye; Su, Yuming; Chen, Peican; Jiang, Yibin; Zhang, Cankun; Wang, Cheng published an article in 2021. The article was titled 《Metal-Organic Layers with an Enhanced Two-Photon Absorption Cross-Section and Up-Converted Emission》, and you may find the article in Chemistry of Materials.Application of 4316-58-9 The information in the text is summarized as follows:

Two-photon absorption (TPA) of many chromophores can be enhanced by building them into the structure of metal-organic frameworks (MOFs). However, light scattering of MOFs defocuses the light beam and thus decreases the nonlinear optical effects like TPA. Nanoscale two-dimensional (2D) metal-organic layers (MOLs) are 2D analogs of MOFs with low light scattering. In this work, we obtained a MOL containing tri(4-carboxylic-biphenyl)-4′-amine (H3TCBPA) that exhibited a TPA cross-section of 13 000 ± 2000 GM, which is ~7 times that of the H3TCBPA ligand in homogeneous solution (1850 ± 200 GM). The MOL also gave bright up-converted fluorescence thanks to efficient TPA and a high fluorescence quantum yield. The theor. calculation showed that a large dipole moment of the excited state due to electron redistribution between the ligands and the metal-connecting nodes in the MOL is the reason for the TPA enhancement. This work illustrates MOLs as 2D materials with enhanced TPA for generating bright upconverted fluorescence. The experimental process involved the reaction of Tris(4-bromophenyl)amine(cas: 4316-58-9Application of 4316-58-9)

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In 2022,Mohamed, Mohamed Gamal; Mansoure, Tharwat Hassan; Samy, Maha Mohamed; Takashi, Yasuno; Mohammed, Ahmed A. K.; Ahamad, Tansir; Alshehri, Saad M.; Kim, Jeonghun; Matsagar, Babasaheb M.; Wu, Kevin C.-W.; Kuo, Shiao-Wei published an article in Molecules. The title of the article was 《Ultrastable Conjugated Microporous Polymers Containing Benzobisthiadiazole and Pyrene Building Blocks for Energy Storage Applications》.Application of 4316-58-9 The author mentioned the following in the article:

In recent years, conjugated microporous polymers (CMPs) have become important precursors for environmental and energy applications, compared with inorganic electrode materials, due to their ease of preparation, facile charge storage process, π-conjugated structures, relatively high thermal and chem. stability, abundance in nature, and high surface areas. Therefore, in this study, we designed and prepared new benzobisthiadiazole (BBT)-linked CMPs (BBT-CMPs) using a simple Sonogashira couplings reaction by reaction of 4,8-dibromobenzo(1,2-c;4,5-c′)bis(1,2,5)thiadiazole (BBT-Br2) with ethynyl derivatives of triphenylamine (TPA-T), pyrene (Py-T), and tetraphenylethene (TPE-T), resp., to afford TPA-BBT-CMP, Py-BBT-CMP, and TPE-BBT-CMP. The chem. structure and properties of BBT-CMPs such as surface areas, pore size, surface morphologies, and thermal stability using different measurements were discussed in detail. Among the studied BBT-CMPs, we revealed that TPE-BBT-CMP displayed high degradation temperature, up to 340 °C, with high char yield and regular, aggregated sphere based on thermogravimetric anal. (TGA) and SEM (SEM), resp. Furthermore, the Py-BBT-CMP as organic electrode showed an outstanding specific capacitance of 228 F g-1 and superior capacitance stability of 93.2% (over 2000 cycles). Based on theor. results, an important role of BBT-CMPs, due to their electronic structure, was revealed to be enhancing the charge storage. Furthermore, all three CMP polymers featured a high conjugation system, leading to improved electron conduction and small bandgaps. In the experiment, the researchers used Tris(4-bromophenyl)amine(cas: 4316-58-9Application of 4316-58-9)

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In 2022,Yano, Masafumi; Inada, Yoshinori; Hayashi, Yuki; Nakai, Misaki; Mitsudo, Koichi; Kashiwagi, Yukiyasu published an article in Dyes and Pigments. The title of the article was 《Near-infrared absorption of a benzothiophene-appended triphenylamine radical cation: A novel molecular design of NIR-II dye》.Safety of Tris(4-bromophenyl)amine The author mentioned the following in the article:

A triphenylamine with 3 benzothiophene rings was designed and synthesized in 87% yield. The compound showed absorption at 386 nm and blue emission at ∼442 nm, with a fluorescence quantum yield of 0.57. The compound showed high thermostability. The radical cation obtained by 1-electron oxidation was stable in solution and showed a significant absorption in the NIR-II region (λmax = 1213 nm). DFT calculations confirmed the exptl. data. The experimental part of the paper was very detailed, including the reaction process of Tris(4-bromophenyl)amine(cas: 4316-58-9Safety of Tris(4-bromophenyl)amine)

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《Photo- and Redox-active Benzofuran-appended Triphenylamine and Near-infrared Absorption of Its Radical Cation》 was written by Yano, Masafumi; Inada, Yoshinori; Hayashi, Yuki; Yajima, Tatsuo; Mitsudo, Koichi; Kashiwagi, Yukiyasu. SDS of cas: 4316-58-9This research focused ontris benzofuryl phenylamine preparation fluorescence DFT. The article conveys some information:

A tris[4-(2-benzofuryl)phenyl]amine was designed and successfully prepared in 64% yield. It exhibited absorption at 385 nm, and blue emission at around 440 nm with a fluorescence quantum yield of 0.57. Title compound showed high heat resistance and reversible one-electron oxidation Upon one-electron chem. oxidation, a near-IR absorption was revealed due to a persistent radical cation species. DFT calculations also supported the exptl. data. In addition to this study using Tris(4-bromophenyl)amine, there are many other studies that have used Tris(4-bromophenyl)amine(cas: 4316-58-9SDS of cas: 4316-58-9) was used in this study.

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