Category: 143-24-8

In an article, author is Wang, Hui, once mentioned the application of 143-24-8, Category: ethers-buliding-blocks, Name is 2,5,8,11,14-Pentaoxapentadecane, molecular formula is C10H22O5, molecular weight is 222.28, MDL number is MFCD00008505, category is ethers-buliding-blocks. Now introduce a scientific discovery about this category.

Highly efficient capture of uranium from seawater by layered double hydroxide composite with benzamidoxime

Through swelling/restoration reaction, benzamidoxime (BAO) is introduced into MgAl-LDHinterlayers to assemble a new composite of MgAl-BAO-LDH (abbr. BAO-LDH). Wet samples of the BAO-LDH obtained by washing with diverse solvents are present in colloidal state, which facilitates the fabrication of thin film adsorbents convenient for actual application. After drying, the assembled sample exhibits floral morphology composed of thin nanosheets, much different from hexagonal morphology of NO3- intercalated MgAl-LDH precursor (NO3-LDH), demonstrating a phenomenon rarely found in swelling/restoration. The BAO-LDH depicts an extremely large maximum sorption capacity (q(m)(U)) of 327 mg.g(-1) and ultra-high selectivity for U. At low U concentrations (5-10 ppm), nearly complete capture (similar to 100%) is achieved in a wide pH range of 3-11, while at high U concentrations (110 ppm), quite high U removals (>= 93.0%) are obtained at pH = 6-8, meaning perfect suitability for trapping U from seawater. For natural seawater containing trace amounts of U (3.93 ppb) coexisting with high concentration of competitive ions, the BAO-LDH displays significantly high U removal (87%). Complexation between interlayer BAO (N and O as ligands) with UO22+ and synergistic interactions of LDH layer hydroxyls with UO22+ contribute to the highly effective uraniumcapture. All results demonstrate the BAO-LDH is a promising adsorbent applied in seawater uranium extraction and nuclear wastewater disposal. (C) 2020 Elsevier B.V. All rights reserved.

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Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Park, Byoungchoo, once mentioned the application of 143-24-8, Name is 2,5,8,11,14-Pentaoxapentadecane, molecular formula is C10H22O5, molecular weight is 222.28, MDL number is MFCD00008505, category is ethers-buliding-blocks. Now introduce a scientific discovery about this category, Name: 2,5,8,11,14-Pentaoxapentadecane.

Simple and Efficient Perovskite Solar Cells with Multi-Functional Mixed Interfacial Layers

Recently, hybrid organic-inorganic perovskite solar cells (PVSCs) have attracted significant attention owing to their simple solution processability and high efficiency for the next generation of low-cost solar cell technology. Herein, a multi-functional interfacial layer (IFL) composed of a mixture of poly(oxyethylene tridecyl ether) (PTE) and ethanolamine (EA) is introduced between a CH3NH3PbI3 perovskite light-absorbing layer and a nickel oxide (NiOx) hole transport layer to improve the photovoltaic (PV) performance of PVSCs. With the solution-coated IFL of mixed PTE:EA, a highly improved film-forming capability of the perovskite layer is realized together with large-sized grains and fewer film defects. Moreover, the IFL also improved the charge carrier separation and hole-extraction capabilities at the interface between the CH3NH3PbI3 and the NiOx layers. The results here successfully demonstrate that the CH3NH3PbI3 PVSC with IFL exhibits greatly improved PV performance, in this case a much higher power conversion efficiency (15.1%), greatly exceeding that (12.3%) of a reference device without an IFL. The author’s study demonstrates that a multi-functional mixed IFL can be used as a solid foundation for efficient and cost-effective PVSCs, thus providing a platform for the realization of a new generation of highly efficient solution-processable PVSCs.

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Synthetic Route of 143-24-8,Some common heterocyclic compound, 143-24-8, name is 2,5,8,11,14-Pentaoxapentadecane, molecular formula is C10H22O5, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

At room temperature, a 450 ml Parr reactor was filled with methanol and 5 mmole of Co2(CO)8. The reactor was filled with CO gas at 500 psig, heated to 80 C. and agitated for one hour. Then the reactor was cooled to room temperature and imidazole as promoter was added to the reactor. Ethylene oxide was added to the reactor and CO was added at a predetermined pressure. The reactor was heated to a temperature as shown in Table 1 at a pressure as in Table 1 for the time as in Table 1. During the reaction, the reaction product was sampled using a tube. As product, methyl 3-hydroxypropionate (3-HPM) was analyzed with a GC. The reaction conditions and the resulting data are shown in Table 1. Imidazole of 20 mmole as promoter was used in Examples 1-7 and 9, 40 mmole in Example 8, and 30 mmole in Example 10. Ethylene oxide of 500 mmole was used in Examples 1-8 and 10, and 1.4 mmole in Example 9. In Example 7, tetraglyme was used besides methyl alcohol.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2,5,8,11,14-Pentaoxapentadecane, its application will become more common.

Reference:
Patent; Samsung Electronics Co. Ltd.; US6348632; (2002); B1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem