NDLI: Aluminum-doped ZnO nanoparticles: gas-phase synthesis and dopant location

Content Provider	Springer Nature Link
Author	Schilling, Carolin Zähres, Manfred Mayer, Christian Winterer, Markus
Copyright Year	2014
Abstract	Aluminum-doped ZnO (AZO) nanoparticles are studied widely as transparent conducting alternatives for indium tin oxide. However, the properties of AZO vary in different investigations not only with the amount of dopant and the particle size, but also with other parameters such as synthesis method and conditions. Hence, AZO nanoparticles, synthesized in the gas phase, were investigated to study the influence of the synthesis parameters dopant level, reactor temperature and residence time in the reaction zone on the particle characteristics. The local structure of the dopant in semiconductors determines whether the doping is functional, i.e., whether mobile charge carriers are generated. Therefore, information obtained from $^{27}$Al solid-state NMR spectroscopy, X-ray diffraction, photoluminescence and UV–Vis spectroscopy was used to understand how the local structure influences particles characteristics and how the local structure itself can be influenced by the synthesis parameters. In addition to AZO particles of different Al content, pure ZnO, Al$_{2}$O$_{3}$, ZnAl$_{2}$O$_{4}$ and core–shell particles of ZnO and Al$_{2}$O$_{3}$ were synthesized for comparison and aid to a deeper understanding of the formation of AZO nanoparticles in the gas phase.
Starting Page	1
Ending Page	15
Page Count	15
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	16
Issue Number	7
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-06-26
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ZnO AZO $^{27}$Al solid-state NMR Chemical vapor synthesis Doping Dopant Local structure Nanotechnology Inorganic Chemistry Characterization and Evaluation of Materials Physical Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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