The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Tri-n-octylphosphine Oxide( cas:78-50-2 ) is researched.Safety of Tri-n-octylphosphine Oxide.Singh, Sajan; Horechyy, Andriy; Yadav, Sushma; Formanek, Petr; Hubner, Rene; Srivastava, Rajiv K.; Sapra, Sameer; Fery, Andreas; Nandan, Bhanu published the article 《Nanoparticle-Stabilized Perforated Lamellar Morphology in Block Copolymer/Quantum Dot Hybrids》 about this compound( cas:78-50-2 ) in Macromolecules (Washington, DC, United States). Keywords: nanoparticle stabilized perforated lamellar morphol copolymer quantum dot hybrid. Let’s learn more about this compound (cas:78-50-2).
We report on the surprising observation of a unique perforated lamellar (PL) morphol. in a mixture of an asym. polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) block copolymer and CdSe-CdS quantum dots (QDs). The PL morphol. formed by the PS-b-P4VP/CdSe-CdS composites consisted of alternating layers of PS and P4VP, where the layer formed by the minority PS block contained cylindrical perforations of the majority P4VP block. Most interestingly, the CdSe-CdS QDs were localized exclusively in the P4VP perforations. The swelling of the bulk samples in a P4VP selective solvent also allowed the isolation of the perforated PS nanosheets, with QDs localized in the perforations, which further provided strong evidence for the formation of the unique PL morphol. The observed PL morphol. was, plausibly, energetically stabilized because of the localization of QDs within the P4VP perforations, which allowed for the conformational entropy minimization of the majority P4VP block. The present work reveals possibilities for the discovery of novel hierarchical structures in block copolymer/nanoparticle composite systems and also provides new opportunities for the application of such materials in nanotechnol.
This compound(Tri-n-octylphosphine Oxide)Safety of Tri-n-octylphosphine Oxide was discussed at the molecular level, the effects of temperature and reaction time on the properties of the compound were discussed, and the optimum reaction conditions were selected.
Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method