Microwave-assisted synthesis of fibre-like Mg(OH)2 nanoparticles in aqueous solution at room temperature

2004 ◽  
Vol 58 (16) ◽  
pp. 2166-2169 ◽  
Author(s):  
Huaqiang Wu ◽  
Mingwang Shao ◽  
Jiashan Gu ◽  
Xianwen Wei
Keyword(s):  
Aqueous Solution ◽  
Room Temperature ◽  
Microwave Assisted Synthesis ◽  
Microwave Assisted

Microwave-assisted synthesis of BSA-stabilised gold nanoclusters for the sensitive and selective detection of lead(ii) and melamine in aqueous solution

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 79020-79027 ◽  
Author(s):  
Che-Yu Lee ◽  
Nai-Yueh Hsu ◽  
Mei-Yao Wu ◽  
Yang-Wei Lin
Keyword(s):  
Aqueous Solution ◽  
Gold Nanoclusters ◽  
Microwave Assisted Synthesis ◽  
Selective Detection ◽  
Microwave Assisted ◽  
Turn On

MW-assisted synthesis of fluorescent BSA-AuNCs for the turn-off sensing of Pb(ii) and turn-on sensing of melamine.

Assessment of Magnetic Properties between Fe and Ni Doped ZnO Nanoparticles Synthesized by Microwave Assisted Synthesis Method

2021 ◽  
Vol 317 ◽  
pp. 119-124
Author(s):  
Sabiu Said Abdullahi ◽  
Garba Shehu Musa Galadanci ◽  
Norlaily Mohd Saiden ◽  
Josephine Ying Chyi Liew
Keyword(s):  
Magnetic Properties ◽  
Zno Nanoparticles ◽  
Room Temperature ◽  
Synthesis Method ◽  
Dilute Magnetic Semiconductors ◽  
High Coercivity ◽  
Microwave Assisted Synthesis ◽  
Ferromagnetic Behavior ◽  
Microwave Assisted ◽  
Doped Zno

The emergence of Dilute Magnetic Semiconductors (DMS) with a potentials for spintronic application have attracted much researches attention, special consideration has been given to ZnO semiconductor material due to its wide band gap of 3.37 eV, large exciting binding energy of 60 meV, moreover, its ferromagnetic behavior at room temperature when doped with transition metals. MxZn1-xO (M = Fe or Ni) nanoparticles were synthesized by microwave assisted synthesis method calcined at 600°C. The structural, morphological and magnetic properties of these nanoparticles were studied using X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM) and Vibrating Sample Magnetometer (VSM) respectively. Single phase Wurtzite hexagonal crystal structure was observed for the undoped and Fe doped ZnO nanoparticles with no any impurity, whereas Ni doped ZnO nanoparticles shows the formation of NiO impurities. The magnetic measurement reveals a diamagnetic behavior for the undoped ZnO meanwhile a clear room temperature ferromagnetism was observed for both Fe and Ni doped ZnO. Fe doped ZnO present a high saturation magnetization compared to Ni doped ZnO. However, Ni doped ZnO present high coercivity. The research was confirmed that Fe doped ZnO material will be good material combination for spintronic applications.

scholarly journals Microwave-assisted synthesis of calcium phosphate nanowhiskers

2004 ◽  
Vol 19 (6) ◽  
pp. 1876-1881 ◽  
Author(s):  
Sahil Jalota ◽  
A. Cuneyt Tas ◽  
Sarit B. Bhaduri
Keyword(s):  
Calcium Phosphate ◽  
Aqueous Solutions ◽  
Tricalcium Phosphate ◽  
Room Temperature ◽  
Single Phase ◽  
Microwave Oven ◽  
Molten Salt Synthesis ◽  
Microwave Assisted Synthesis ◽  
Microwave Assisted ◽  
Auto Ignition

Calcium phosphate [single-phase hydroxyapatite (HA), single-phase tricalcium phosphate (TCP), and biphasic HA-TCP] nanowhiskers and/or powders were produced by using a novel microwave-assisted “combustion synthesis (auto ignition)/molten salt synthesis” hybrid route. This work is an example of our “synergistic processing” philosophy combining these three technologies while taking advantage of their useful aspects. Aqueous solutions containing NaNO3, Ca(NO3)2·4H2O and KH2PO4 (with or without urea) were irradiated in a household microwave oven for 5 min at 600 watts of power. The as-synthesized precursors were then simply stirred in water at room temperature for 1 h to obtain the nanowhiskers or powders of the desired calcium phosphate bioceramics.

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