By Lide Zhang
This ebook introduces the most recent tools for the managed development of nanomaterial structures. The insurance comprises easy and complicated nanomaterial platforms, ordered nanostructures and intricate nanostructure arrays, and the basic stipulations for the managed development of nanostructures with various morphologies, sizes, compositions, and microstructures. The ebook additionally discusses the dynamics of managed development and thermodynamic features of two-dimensional nanorestricted platforms. The authors introduce a number of novel synthesis tools for nanomaterials and nanostructures, equivalent to hierarchical development, heterostructures development, doping progress and a few constructing template synthesis equipment. as well as discussing functions, the e-book reports constructing developments in nanomaterials and nanostructures.
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Extra resources for Controlled Growth of Nanomaterials
All results suggest that the temperature distribution inside the tube furnace and catalyst play a dominant role in the formation of the ZnS nanostructures. 3 Sulﬁdes nanowires and nanobelts Fig. 18. 147 may be possible to obtain ZnS nanostructures with a speciﬁc morphology by controlling the reaction temperature and catalyst. Regarding the growth of ZnS nanorods and nanowires, we think that the ZnS vapor is rapidly generated at relatively high temperatures by the evaporation of ZnS nanopowders, transported to and reacted with the Au liquid to form alloy droplets.
It leads to possible applications in ultraviolet optoelectronics and spin electronics. 169 Here, we describe the doping of ZnO and ZnS nanostructures. 1. S-doped ZnO nanowires S-doped ZnO nanowires were synthesized by vapor phase growth using ZnS nanoparticles as starting materials without the presence of a catalyst. The ZnS powder was put in the front of an alumina boat, which was covered with a quartz plate to maintain a higher ZnS vapor pressure. Prior to heating, the system was ﬂushed with high-purity Ar for 1 h to eliminate O2 .
Regarding the growth of ZnS nanorods and nanowires, we think that the ZnS vapor is rapidly generated at relatively high temperatures by the evaporation of ZnS nanopowders, transported to and reacted with the Au liquid to form alloy droplets. As ZnS in the droplets become supersaturated, ZnS nanorods or nanowires will be formed via a vapor–liquid–solid (VLS) growth process. However, the larger alloy droplets tend to form on the substrate of higher temperature. 149 which mentioned that the June 20, 2007 wspc/spi-b445/ch02 Controlled Growth of Nanomaterials Controlled Growth of Nanomaterials 41 Fig.