Tag: 100-200

Black-to-transmissive polymer films via electrochemical copolymerization with high-performance electrochromic and supercapacitor bifunction was written by Tang, Yixiao;Zhang, Ling;Yan, Shuanma;Kuai, Yu;Fu, Haichang;Li, Weijun;Ouyang, Mi;Zhang, Cheng. And the article was included in Solar Energy Materials & Solar Cells in 2022.Recommanded Product: 128-08-5 This article mentions the following:

The black-to-transmissive electrochromic polymer has significant value with practical applications. Integration of electrochromic and supercapacitor bifunctional materials can indicate its capacitor level by visual color change in real-time. In this paper, based on three EDOT derivative monomers were associated to phenanthrocarbazole/benzotriazole/benzothiadiazole, M1, M2 and M3, a novel ternary random copolymer film was successfully prepared by electrochem. copolymerization Since the corresponding homopolymers of three monomers are red, green and blue in the neutral state resp., and their oxidation states are all transparent, therefore the obtained ternary random copolymer films show the black-to-transmissive electrochromic behavior. The copolymer film pCo-2 was prepared via electrochem. copolymerization with suitable monomers feed ratio (1: 1.5: 1 of M1: M2: M3). Benefit from ternary random electrochem. copolymerization, the pCo-2 copolymer displays excellent electrochromic-supercapacitor properties among the similar bifunctional materials, with fast response time, high optical contrast, good cycling stability and large area (volume) specific capacitance. The electrochromic supercapacitor device based on pCo-2//PEDOT can make an LCD run continuously. This work provides an available general approach to realizing black-to-transmissive electrochromism towards electrochromic-supercapacitor bifunctional applications. In the experiment, the researchers used many compounds, for example, 1-Bromopyrrolidine-2,5-dione (cas: 128-08-5Recommanded Product: 128-08-5).

1-Bromopyrrolidine-2,5-dione (cas: 128-08-5) belongs to organobromine compounds. Organo bromine compounds are versatile compounds and are widely used in diverse fields. Organo bromine derivatives are used in the dye sector, as an indicator in analytical chemistry (Bromothymol blue is a popular indicator). When the molecular ion is detected, the bromine and chlorine isotope patterns are very distinct, but caution is to be exercised for certain mixed chlorinated/brominated compounds, which can look similar to homohalogen patterns.Recommanded Product: 128-08-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Efficient Medium Bandgap Electron Acceptor Based on Diketopyrrolopyrrole and Furan for Efficient Ternary Organic Solar Cells was written by Yadagiri, Bommaramoni;Narayanaswamy, Kamatham;Sharma, Ganesh D.;Singh, Surya Prakash. And the article was included in ACS Applied Materials & Interfaces in 2022.Application In Synthesis of 1-Bromopyrrolidine-2,5-dione This article mentions the following:

We report the design of novel medium bandgap nonfullerene small mol. acceptor NFSMA SPS-TDPP-2CNRh with A₂-π-A₁-π-A₂ architecture, with the mol. engineering of this material comprising a strong electron-accepting backbone unit DPP (A₁) as the acceptor, which is attached to the dicyanomethylene-3-hexylrhodanine (A₂) acceptor via a furan (π-spacer) linker. We systematically studied its structural and optoelectronic properties. The incorporation of dicyanomethylene-3-hexylrhodanine and furan enhance the light absorption and electrochem. properties by extending π-conjugation and is anticipated to improve V_OC by decreasing the LUMO level. The long alkyl chain units were responsible for the better solubility and aggregation of the resultant mol. Binary BHJ-OSCs constructed with polymer P as the donor and SPS-TDPP-2CNRh as the acceptor resulted in a PCE of 11.49% with improved V_OC = 0.98 V, J_SC = 18.32 mA/cm², and FF = 0.64 for P:SPS-TDPP-2CNRh organic solar cells. A ternary solar cell device was also made using Y18-DMO and SPS-TDPP-2CNRh as acceptors having complementary absorption profiles and polymer P as the donor, resulting in a PCE of 15.50% with improved J_SC = 23.08 mA/cm², FF = 0.73, and V_OC = 0.92 V for the P:SPS-TDPP-2CNRh:Y18-DMO solar cell. The ternary OSCs with SPS-TDPP-2CNRh as the host acceptor in the P:Y18-DMO binary film were shown to have improved PCE values, which is mainly attributed to the effective photoinduced charge transfer through multiple networks and the use of excitons from SPS-TDPP-2CNRh and Y18-DMO. Moreover, in the ternary BHJ active layers, the superior stable charge transport that was observed compared to the binary counterparts may also lead to an increase in the fill factor. These results demonstrate that combining medium bandgap and narrow bandgap NFSMAs with a wide bandgap polymer donor is a successful route to increasing the overall PCE of the OSCs via the ternary BHJ concept. In the experiment, the researchers used many compounds, for example, 1-Bromopyrrolidine-2,5-dione (cas: 128-08-5Application In Synthesis of 1-Bromopyrrolidine-2,5-dione).

1-Bromopyrrolidine-2,5-dione (cas: 128-08-5) belongs to organobromine compounds. Bromo compounds are employed in a variety of metal-catalyzed coupling reactions. They are also ideal candidates for the synthesis of Grignard reagents that have wide-applicability in organic synthesis. The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. For many applications, organobromides represent a compromise of reactivity and cost.Application In Synthesis of 1-Bromopyrrolidine-2,5-dione

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Substituted phenylene- and biphenylenemercurials was written by Al-Jabar, N. A. A.;Massey, A. G.. And the article was included in Journal of Organometallic Chemistry in 1984.Safety of 3-Bromo-4-fluorotoluene This article mentions the following:

Treating 1,2-Br₂C₆H₄, its Me derivative, or 1,2-Br₂C₆H₂(OMe)₂-4,5 with Na amalgam gave trimeric phenylenemercury derivatives Also, heating 1,2-diiodotetrachlorobenzene with Hg gave trimeric tetrachlorophenylenemercury. Biphenylenemercury (HgC₁₂H₈)_n, prepared by 2 routes, was also trimeric. In the case of perfluorobiphenylenemercury, trace quantities of the tetramer exist in bulk samples of the trimer. In the experiment, the researchers used many compounds, for example, 3-Bromo-4-fluorotoluene (cas: 452-62-0Safety of 3-Bromo-4-fluorotoluene).

3-Bromo-4-fluorotoluene (cas: 452-62-0) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. One prominent application of synthetic organobromine compounds is the use of polybrominated diphenyl ethers as fire-retardants, and in fact fire-retardant manufacture is currently the major industrial use of the element bromine.Safety of 3-Bromo-4-fluorotoluene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Efficient and stable quasiplanar heterojunction solar cells with acetoxy-substituted wide-bandgap polymer was written by Li, Yan;Chen, Hui;Lai, Hanjian;Xue, lai;Rehman, Tahir;Zhu, Yulin;Wang, Yunpeng;Wu, Qinghe;He, Feng. And the article was included in ACS Materials Letters in 2022.Recommanded Product: 1-Bromopyrrolidine-2,5-dione This article mentions the following:

Intermol. interactions have fundamental importance in the control of active layer morphol., exciton generation, charge transport, and, thus, the overall photovoltaic performance. This is especially true for quasiplanar heterojunction (Q-PHJ) polymer solar cells, because the bilayer device structure requires larger exciton diffusion lengths. However, little effort has been made to design polymer donors with addnl. organic functional groups intended to control intermol. hydrogen-bonding interactions. Herein, we report two new copolymers for Q-PHJ solar cells synthesized by the addition of hydroxy (PNTB-OH) and acetoxy groups (PNTB-OAc) onto electron-deficient units. We have systematically investigated the influence of the hydrogen bond on electro-optical behaviors, crystallinity, photovoltaic properties, energy losses, photostability, and storage stability in both types of polymers. The single-crystal data reveals more regular stacking and order orientation driven by hydrogen bonding, of the acetoxy-substituted electron-deficient units. Q-PHJ organic solar cells (OSCs) were fabricated for both polymers with a high-performance nonfullerene acceptor N3. PNTB-OAc-based Q-PHJ OSCs realized the highest photovoltaic performance of 16.53%, which is ~2.4 times higher than 6.79% obtained from the PNTB-OH-based Q-PHJ OSCs. This high performance is attributable to low nonradiative energy losses, high and balanced electron/hole mobility, and better crystallinity. In contrast, the PNTB-OAc film has a longer crystal coherence length, which is calculated from grazing-incidence wide-angle X-ray scattering (GIWAXS). Furthermore, the PNTB-OAc device demonstrated superior photostability and storage stability, retained more than 85% of the initial PCE after illumination for 1050 h, and 90% of the initial PCE under nitrogen for 1600 h. This work highlights the importance of the acetoxy group to significantly control packing and crystallinity by hydrogen bonding, thus realizing efficient OSCs with durable device stability. In the experiment, the researchers used many compounds, for example, 1-Bromopyrrolidine-2,5-dione (cas: 128-08-5Recommanded Product: 1-Bromopyrrolidine-2,5-dione).

1-Bromopyrrolidine-2,5-dione (cas: 128-08-5) belongs to organobromine compounds. Most organobromine compounds, like most organohalide compounds, are relatively nonpolar. Many of the alkyl bromine derivatives are excellent alkylating agents since bromides are good leaving groups. Tribromides, like tetrabutylammonium tribromide, are used as a solid source of bromine. N-bromosuccimide (NBS) is used for the selective bromination of allylic bonds.Recommanded Product: 1-Bromopyrrolidine-2,5-dione

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Copper-catalyzed cross-coupling reaction between aryl(trialkyl)silanes and alkyl halides was written by Komiyama, Takeshi;Minami, Yasunori;Hiyama, Tamejiro. And the article was included in Chemistry Letters in 2018.Recommanded Product: 1-Bromo-4-methoxybutane This article mentions the following:

Simple aryl(trialkyl)silanes underwent cross-coupling reaction with alkyl (pseudo)halides in the presence of copper iodide/phenanthroline catalyst and cesium fluoride was reported. Various aryl(trialkyl)silanes and alkyl electrophiles having iodine, bromine, chlorine and tosyloxy group were applicable to the present reaction. Because such silanes were stable and readily accessible by catalytic C-H silylation, this protocol allowed the synthesis of alkylarenes rapidly. In the experiment, the researchers used many compounds, for example, 1-Bromo-4-methoxybutane (cas: 4457-67-4Recommanded Product: 1-Bromo-4-methoxybutane).

1-Bromo-4-methoxybutane (cas: 4457-67-4) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. Many of the alkyl bromine derivatives are excellent alkylating agents since bromides are good leaving groups. Tribromides, like tetrabutylammonium tribromide, are used as a solid source of bromine. N-bromosuccimide (NBS) is used for the selective bromination of allylic bonds.Recommanded Product: 1-Bromo-4-methoxybutane

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Efficient Assembly of Molecular Complexity Enabled by Palladium-Catalyzed Heck Coupling/C(sp²)-H Activation/ C(sp³)-H Activation Cascade was written by He, Chen;Han, Wen-Yong;Cui, Bao-Dong;Wan, Nan-Wei;Chen, Yong-Zheng. And the article was included in Advanced Synthesis & Catalysis in 2020.Recommanded Product: 83902-02-7 This article mentions the following:

A palladium-catalyzed [2+2+1] annulation among 3-iodochromones, benzyl bromides, and norbornene has been developed. This annulation consists of a domino sequence involving Heck coupling/C(sp²)-H activation/C(sp³)-H activation, affording a variety of complex chromone derivatives I (R = H, 6-Me, 7-F, etc.; R¹ = C₆H₅, 3-MeC₆H₄, 4-FC₆H₄, etc.) bearing five contiguous tertiary carbon centers in up to 94% yield and 99:1 dr. Interestingly, the diastereoselectivity could be switched by fine-tuning the solvent, in which endo isomer and exo isomer were obtained using mesitylene/CH₃CN and mesitylene, resp. In the experiment, the researchers used many compounds, for example, 2-(Bromomethyl)-1,3-dimethylbenzene (cas: 83902-02-7Recommanded Product: 83902-02-7).

2-(Bromomethyl)-1,3-dimethylbenzene (cas: 83902-02-7) belongs to organobromine compounds. Most of the natural organobromine compounds are produced by marine organisms, and several brominated metabolites with antibacterial, antitumor, antiviral, and antifungal activity have been isolated from seaweed, sponges, corals, molluscs, and others. The principal reactions for organobromides include dehydrobromination, Grignard reactions, reductive coupling, and nucleophilic substitution.Recommanded Product: 83902-02-7

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Color-tuning neutrality for soluble black-to-transmissive electrochromics via solution co-processing was written by Xu, Zhen;Wang, Bozhen;Kong, Lingqian;Zhao, Jinsheng;Zhang, Yan. And the article was included in European Polymer Journal in 2022.Product Details of 128-08-5 This article mentions the following:

Chem. polymerization towards obtaining alternating copolymers ECP-B and ECP-R of the electron-acceptor (2,2′-biindoline)-3,3′-dione or benzotriazole and the electron-donor thiophene derivatives, with or without long alkyl chain substituents serving as solubilization components, was performed in advance. Electrochromic studies demonstrated that ECP-B transformed from neutral-state blue to an oxidized-state transmissive light cyan color, while ECP-R displayed a red color in the neutral state and a transparent light gray color in the oxidized state. Then, the neutral-state black polymer electrochrome (ECP-2) was obtained by blending two donor-π-acceptor (D-π-A) copolymers with complementary spectral absorption via solution co-processing in different mix ratio. The film ECP-2 in 1:2 mass ratio of ECP-R to ECP-B demonstrated a full range of visible absorption, and switched between an improved saturated black neutral state (L* = 57.3, a* = 4, b* = -7) and a light cyan transmissive oxidation state (L* = 77.6, a* = -4, b* = -5) reversibly with the moderate optical contrast of ca. 30%, the fast switching speed as low as 1.2 s, and the high coloration efficiency (222 cm² ·C^-1), which suggested a promising method for large area electrochromic device applications. Besides, a larger contrast (65.9%) in NIR region (1500 nm) for the ECP-2 film concomitant with an outstanding coloring efficiency (515 cm² ·C^-1) and a fast response time (0.6 s) were favorable for many NIR applications. In the experiment, the researchers used many compounds, for example, 1-Bromopyrrolidine-2,5-dione (cas: 128-08-5Product Details of 128-08-5).

1-Bromopyrrolidine-2,5-dione (cas: 128-08-5) belongs to organobromine compounds. Many of the organo bromine compounds are relatively nonpolar. Bromine is more electronegative than carbon (2.8 vs 2.5) and hence the carbon in a carbon–bromine bond is electrophilic in nature. When the molecular ion is detected, the bromine and chlorine isotope patterns are very distinct, but caution is to be exercised for certain mixed chlorinated/brominated compounds, which can look similar to homohalogen patterns.Product Details of 128-08-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Antibacterial activities of fluorescent nano assembled triphenylamine phosphonium ionic liquids was written by Brunel, Frederic;Lautard, Christelle;Garzino, Frederic;Giorgio, Suzanne;Raimundo, Jean M.;Bolla, Jean M.;Camplo, Michel. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2016.Recommanded Product: 1-Bromo-6-methoxyhexane This article mentions the following:

Staphylococcus aureus, a Gram pos. coccal bacterium is a major cause of nosocomial infection. We report the synthesis of new triphenylamine phosphonium ionic liquids which are able to self-assemble into multiwall nanoassemblies and to reveal a strong bactericidal activity (MIC = 0.5 mg/L) for Gram pos. bacteria (including resistant strains) comparable to that of standard antibiotics. Time kill, metabolism and fluorescence confocal microscopy studies show a quasi-instantaneously penetration of the nanoassemblies inside the bacteria resulting of a rapid blocking (30 min) of their proliferation. As confirmed by rezasurin reduction monitoring, these compounds strongly affect the bacterial metabolism and a Gram pos. vs. Gram neg. selectivity is clearly observed These fluorescent phosphonium ionic liquid might constitute a useful tool for both translocation studies and to tackle infectious diseases related to the field of implantol. In the experiment, the researchers used many compounds, for example, 1-Bromo-6-methoxyhexane (cas: 50592-87-5Recommanded Product: 1-Bromo-6-methoxyhexane).

1-Bromo-6-methoxyhexane (cas: 50592-87-5) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. The reactivity of organobromine compounds resembles but is intermediate between the reactivity of organochlorine and organoiodine compounds. For many applications, organobromides represent a compromise of reactivity and cost.Recommanded Product: 1-Bromo-6-methoxyhexane

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Benzoxazinones as PPARγ Agonists. 2. SAR of the Amide Substituent and In Vivo Results in a Type 2 Diabetes Model was written by Rybczynski, Philip J.;Zeck, Roxanne E.;Dudash, Joseph Jr.;Combs, Donald W.;Burris, Thomas P.;Yang, Maria;Osborne, Melville C.;Chen, Xiaoli;Demarest, Keith T.. And the article was included in Journal of Medicinal Chemistry in 2004.Name: 1-Bromo-4-methoxybutane This article mentions the following:

A series of benzoxazinones I [R = Me, n-decyl, 2-cyclopentylethyl, HOCH₂CH₂, H₂NCO(CH₂)₄, MeCF₂(CH₂)₄, EtO(CH₂)₃, etc.] has been synthesized and tested for PPARγ agonist activity (PPAR = peroxisome proliferator-activated receptor). Synthetic approaches were developed to provide either racemic or chiral compounds In vitro functional potency could be measured through induction of the aP2 gene, a target of PPARγ. These studies revealed that compounds I with large aliphatic chains at the nitrogen of the benzoxazinone ring are the most potent. Substitution of the chain was tolerated and in many cases enhanced the in vitro potency of the compound Select compounds were further tested for metabolic stability, oral bioavailability in rats, and efficacy in db/db mice after 11 days of dosing. In vivo anal. with optically active (R)-I [R = n-hexyl, MeO(CH₂)₄] demonstrated that the series has potential for the treatment of type 2 diabetes. In the experiment, the researchers used many compounds, for example, 1-Bromo-4-methoxybutane (cas: 4457-67-4Name: 1-Bromo-4-methoxybutane).

1-Bromo-4-methoxybutane (cas: 4457-67-4) belongs to organobromine compounds. Most of the natural organobromine compounds are produced by marine organisms, and several brominated metabolites with antibacterial, antitumor, antiviral, and antifungal activity have been isolated from seaweed, sponges, corals, molluscs, and others. In the pharmaceutical industry organo bromine derivatives are used as sedatives, vasodilators, antiseptic agents, and anticancer agents.Name: 1-Bromo-4-methoxybutane

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Hydrogen-bonded organic semiconductors with long charge carrier lifetimes was written by Avila-Rovelo, Nelson Ricardo;Martinez, Gabriel;Matsuda, Wakana;Sinn, Stephan;Leveque, Patrick;Schwaller, Duncan;Mesini, Philippe;Seki, Shu;Ruiz-Carretero, Amparo. And the article was included in Journal of Physical Chemistry C in 2022.Related Products of 128-08-5 This article mentions the following:

Hydrogen bonds are noncovalent interactions able to improve the electronic properties of self-assembled semiconductors. Nevertheless, it is necessary to control the parameters influencing the formation of hydrogen bonds to achieve hierarchical structures with enhanced properties. In this work, we explore two hydrogen-bonded thiophene-capped diketopyrrolopyrrole (DPP) derivatives containing amides with different topol. (C- or N-centered) and compare them to a control analog without hydrogen bonds. We demonstrate the differences in the optoelectronic and self-assembly properties of the two amide-containing DPP derivatives, as well as in their charge carrier lifetimes. We prove the superior properties of the hydrogen-bonded derivatives in comparison to the control mol. without hydrogen bonds, and show that our mol. design strategy results in supramol. structures with particularly long charge carrier lifetimes compared to other amide-containing semiconductors reported in the literature. In the experiment, the researchers used many compounds, for example, 1-Bromopyrrolidine-2,5-dione (cas: 128-08-5Related Products of 128-08-5).

1-Bromopyrrolidine-2,5-dione (cas: 128-08-5) belongs to organobromine compounds. Bromo compounds are employed in a variety of metal-catalyzed coupling reactions. They are also ideal candidates for the synthesis of Grignard reagents that have wide-applicability in organic synthesis. Bromine-containing agents predominate because not only are they more efficient than similar chlorine-containing species, but also the high atomic weight of bromine ensures that it is present in a high mass fraction within most organobromine compounds.Related Products of 128-08-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary