One-step electrochemical synthesis of Bi3.84W0.16O6.24 with superior photocatalytic activities

RSC Advances ◽  
2015 ◽  
Vol 5 (26) ◽  
pp. 20234-20237 ◽  
Author(s):  
Zuwei Song ◽  
Hui Dai ◽  
Jiantao Tong

Bi3.84W0.16O6.24 nanoparticles were successfully prepared by a facile electrochemical route at room temperature in just 10 minutes.

2020 ◽  
Vol 24 (4) ◽  
pp. 465-471 ◽  
Author(s):  
Zita Rádai ◽  
Réka Szabó ◽  
Áron Szigetvári ◽  
Nóra Zsuzsa Kiss ◽  
Zoltán Mucsi ◽  
...  

The phospha-Brook rearrangement of dialkyl 1-aryl-1-hydroxymethylphosphonates (HPs) to the corresponding benzyl phosphates (BPs) has been elaborated under solid-liquid phase transfer catalytic conditions. The best procedure involved the use of triethylbenzylammonium chloride as the catalyst and Cs2CO3 as the base in acetonitrile as the solvent at room temperature. The substrate dependence of the rearrangement has been studied, and the mechanism of the transformation under discussion was explored by quantum chemical calculations. The key intermediate is an oxaphosphirane. The one-pot version starting with the Pudovik reaction has also been developed. The conditions of this tandem transformation were the same, as those for the one-step HP→BP conversion.


Nanomaterials ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 1657
Author(s):  
Claudia Fernández-González ◽  
Jesús C. Guzmán-Mínguez ◽  
Alejandra Guedeja-Marrón ◽  
Eduardo García-Martín ◽  
Michael Foerster ◽  
...  

The use of metallic nanowires is mostly reduced to scientific areas where a small quantity of nanostructures are needed. In order to broaden the applicability of these nanomaterials, it is necessary to establish novel synthesis protocols that provide a larger amount of nanowires than the conventional laboratory fabrication processes at a more competitive cost. In this work, we propose several modifications to the conventional electrochemical synthesis of nanowires in order to increase the production with considerably reduced production time and cost. To that end, we use a soft anodization procedure of recycled aluminum at room temperature to produce the alumina templates, followed by galvanostatic growth of CoFe nanowires. We studied their morphology, composition and magnetic configuration, and found that their properties are very similar to those obtained by conventional methods.


2021 ◽  
Vol 12 (5) ◽  
pp. 645-649
Author(s):  
Yu Gu ◽  
Yuqing Qiao ◽  
Yusen Meng ◽  
Ming Yu ◽  
Bowu Zhang ◽  
...  

Herein, we report for the first time the synthesis of polypyrrole copolymers with good solvent-dispersibility under gamma-ray irradiation at room temperature in air.


Author(s):  
Francisco G. Cirujano ◽  
Nuria Martin ◽  
Neyvis Almora-Barrios ◽  
Carlos Martí-Gastaldo

Room temperature one-step synthesis of the peptide-based porous material with a periodic distribution of pockets decorated with lysine side chain active sites behaves as a heterogeneous organocatalyst. The pockets are...


2019 ◽  
Vol 19 (01) ◽  
pp. 1950003
Author(s):  
P. R. Ghutepatil ◽  
S. H. Pawar

In this paper, uniform and superparamagnetic nanoparticles have been prepared using one-step polyol synthesis method. Structural, morphological and magnetic properties of obtained MnFe2O4 nanoparticles have been investigated by using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscope (FE-SEM), transmission electron microscopy (TEM), vibrating sample magnetometry (VSM) and thermogravimetric analysis (TGA) techniques. Structural investigation showed that the average crystallite size of obtained nanoparticles was about 10[Formula: see text]nm. Magnetic study revealed that the nanoparticles were superparamagnetic at room temperature with magnetization 67[Formula: see text]emu/g at room temperature. The self-heating characteristics of synthesized MnFe2O4 nanoparticles were studied by applying external AC magnetic field of 167.6 to 335.2[Formula: see text]Oe at a fixed frequency of 265[Formula: see text]kHz. The SAR values of MnFe2O4 nanoparticles were calculated for 2, 5, 10[Formula: see text]mg[Formula: see text]mL[Formula: see text] concentrations and it is observed that the threshold hyperthermia temperature is achieved for all concentrations.


2009 ◽  
Vol 517 (19) ◽  
pp. 5621-5624 ◽  
Author(s):  
Eilidh Morrison ◽  
David Gutiérrez-Tauste ◽  
Concepción Domingo ◽  
Elena Vigil ◽  
José A. Ayllón

CrystEngComm ◽  
2016 ◽  
Vol 18 (27) ◽  
pp. 5202-5208 ◽  
Author(s):  
Lianjie Zhu ◽  
Yanxing Zhao ◽  
Wenjun Zheng ◽  
Ningning Ba ◽  
Guangzhi Zhang ◽  
...  

2008 ◽  
Vol 254 (13) ◽  
pp. 3762-3766 ◽  
Author(s):  
Ming Li ◽  
Shifeng Zhou ◽  
Yuewei Zhang ◽  
Guangqin Chen ◽  
Zhanglian Hong

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