نتایج جستجو برای: oleylamine

تعداد نتایج: 254  

2016
Yi-An Chen Erh-Chiang Chen Tzong-Ming Wu

Stereocomplex-type poly(lactic acid) (SC-PLA)/oleylamine-modified layered zinc phenylphosphonate (SC-PLA/m-PPZn) nanocomposites are successfully fabricated using a solution mixing process. Wide-angle X-ray diffraction (WAXD) analysis reveals that the structural arrangement of the oleylamine-modified PPZn exhibits a large interlayer spacing of 30.3 Å. In addition, we investigate the temperature ...

In the present investigation, a systematic study on the dependence of chelating agents on the size control of silver phosphate Ag3PO4 powders is presented. The effect of two different capping-ligands (monoethanolamine (MEA) and oleylamine (OLA) as amino-additives) is studied using sol-gel route. Structural and morphological characterization techniques were used to quantify...

Journal: :Chemistry: A European Journal 2021

Functionalization of photocatalytic metal oxide nanoparticles TiO2, ZnO, WO3 and CuO with amine-terminated (oleylamine) thiol-terminated (1-dodecanethiol) alkyl chained ligands was studied under ambient conditions. A high selectivity observed in the binding specificity a ligand towards these different oxides. It that oleylamine binds stably to only TiO2 WO3, while 1-dodecanethiol ZnO CuO. Simil...

Journal: :Physical chemistry chemical physics : PCCP 2011
Flavia C C Oliveira Fernando B Effenberger Marcelo H Sousa Renato F Jardim Pedro K Kiyohara Jairton Dupont Joel C Rubim Liane M Rossi

This work describes an easy synthesis (one pot) of MFe(2)O(4) (M = Co, Fe, Mn, and Ni) magnetic nanoparticles MNPs by the thermal decomposition of Fe(Acac)(3)/M(Acac)(2) by using BMI·NTf(2) (1-n-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide) or BMI·PF(6) (1-n-butyl-3-methylimidazolium hexafluorophosphate) ionic liquids (ILs) as recycling solvents and oleylamine as the reducing and...

Journal: :Journal of the American Chemical Society 2007
Xianmao Lu Hsing-Yu Tuan Jingyi Chen Zhi-Yuan Li Brian A Korgel Younan Xia

This article presents a mechanistic study on the galvanic replacement reaction between 11- and 14-nm multiply twinned particles (MTPs) of Ag and HAuCl4 in chloroform. We monitored both morphological and spectral changes as the molar ratio of HAuCl4 to Ag was increased. The details of reaction were different from previous observations on single-crystal Ag nanocubes and cuboctahedrons. Because Au...

Journal: :Chemical communications 2013
B Selin Tosun Boris D Chernomordik Aloysius A Gunawan Bryce Williams K Andre Mkhoyan Lorraine F Francis Eray S Aydil

Cu(2)ZnSnS(4) (CZTS) nanocrystals sterically stabilized with oleic acid and oleylamine ligands and dispersed in nonpolar organic liquids have been extracted into, and electrostatically stabilized in, polar liquids by covering their surfaces with S(2-).

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2021

A comprehensive overview of morphology- and crystal phase-controlled synthesis Au nanomaterials via the [Au(I)-oleylamine] complex their promising applications.

Journal: :Journal of the American Chemical Society 2008
Jun Zhang Amar Kumbhar Jibao He Narayan Chandra Das Kaikun Yang Jian-Qing Wang Howard Wang Kevin L Stokes Jiye Fang

We report a preparation of high-quality cubic PbTe nanocrystals and their assembly into both square-array, two-dimensional patterns and three-dimensional simple cubic super crystals. The influence of oleylamine in the nanocrystal synthesis and core-shell formation through an anion-exchange mechanism was also studied. The simple cubic super crystals together with two-dimensional assembly pattern...

Journal: :Catalysis Science & Technology 2021

Copper nanoparticles prepared from copper acetylacetonate complex or acetate show significant differences in terms of reaction mechanism and further catalytic transformation oleylamine.

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