Structure and Magnetic Characteristics of Co &amp; Cr-doped ZnO nanoparticles, synthesized by using Microwave method

Bhatti, Sabpreet; Surve, Sachin; Shukla, V N

doi:10.1016/j.matpr.2017.02.280

Cited by 5 publications

(8 citation statements)

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“…Depending on the type of gaseous atmosphere, dopants may also undergo a partial oxidation or reduction process. Synthesis products subjected to an additional soaking process may be also characterised by a compact structure, where the particles are sintered or strongly agglomerated, which is indicated, e.g., by the results of the research by Bhattia et al [ 728 ] in Figure 32 .…”

Section: Microwave Hydrothermal Synthesis Of Znomentioning

confidence: 98%

“…Microwave hydrothermal synthesis of ZnO nanocomposites or ZnO hybrid nanostructures with additional heat treatment, where the literature review results [ 724 , 725 , 726 , 727 , 728 , 729 , 730 , 731 , 732 , 733 , 734 , 735 , 736 , 737 , 738 ] are summarised in Table 8 .…”

Section: Microwave Hydrothermal Synthesis Of Znomentioning

confidence: 99%

“…The microwave hydrothermal synthesis enables obtaining ZnO doped with the following ions: Cd 2+ [ 698 ], Ce 4+ [ 686 , 687 , 693 ], Co 2+ [ 688 , 689 , 690 , 691 , 728 , 729 ], Cu 2+ [ 695 ], Cr 3+ [ 727 , 728 ], Eu 3+ [ 694 , 731 ], Fe 2+ [ 678 , 679 , 680 , 681 , 682 , 683 , 684 , 685 ], Ga 3+ [ 696 , 697 ], K + [ 692 ], Mn 2+ [ 674 , 675 ], Sn 4+ [ 733 ], and Sr 2+ [ 699 ].…”

Section: Microwave Hydrothermal Synthesis Of Znomentioning

confidence: 99%

“…As already mentioned, the additional soaking process of the microwave hydrothermal synthesis product aims, above all, to complete the conversion of the substrates or intermediates. In the case of a synthesis of doped ZnO, additional heat treatment mostly leads to the precipitation of foreign phases, e.g., Cr 2 O 3 [ 727 , 728 ], Eu 2 O 3 [ 731 ], and SnO 2 [ 733 ]. Depending on the type of gaseous atmosphere, dopants may also undergo a partial oxidation or reduction process.…”

Section: Microwave Hydrothermal Synthesis Of Znomentioning

confidence: 99%

“…One of the purposes of applying an additional process of synthesis product soaking is to give unique features both to the doped ZnO materials and composite ZnO materials, which results in the possibility to apply them e.g., as photocatalysts [ 724 , 732 , 734 ], gas sensors [ 725 ], dilute magnetic semiconductors (DMS) for spintronics applications [ 728 ]. A good example of obtaining a hybrid material with the use of an additional soaking process is the paper by Cao et al [ 736 ], which describes obtaining Ag/Ag 2 SO 4 /ZnO nanostructures.…”

Section: Microwave Hydrothermal Synthesis Of Znomentioning

confidence: 99%

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A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

2020

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Zinc oxide (ZnO) is a multifunctional material due to its exceptional physicochemical properties and broad usefulness. The special properties resulting from the reduction of the material size from the macro scale to the nano scale has made the application of ZnO nanomaterials (ZnO NMs) more popular in numerous consumer products. In recent years, particular attention has been drawn to the development of various methods of ZnO NMs synthesis, which above all meet the requirements of the green chemistry approach. The application of the microwave heating technology when obtaining ZnO NMs enables the development of new methods of syntheses, which are characterised by, among others, the possibility to control the properties, repeatability, reproducibility, short synthesis duration, low price, purity, and fulfilment of the eco-friendly approach criterion. The dynamic development of materials engineering is the reason why it is necessary to obtain ZnO NMs with strictly defined properties. The present review aims to discuss the state of the art regarding the microwave synthesis of undoped and doped ZnO NMs. The first part of the review presents the properties of ZnO and new applications of ZnO NMs. Subsequently, the properties of microwave heating are discussed and compared with conventional heating and areas of application are presented. The final part of the paper presents reactants, parameters of processes, and the morphology of products, with a division of the microwave synthesis of ZnO NMs into three primary groups, namely hydrothermal, solvothermal, and hybrid methods.

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Section: Microwave Hydrothermal Synthesis Of Znomentioning

confidence: 98%