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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 669Synthesis of Hollow ß-Phase GeO2 in Microemulsion

Synthesis of Hollow ß-Phase GeO₂ in Microemulsion

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Abstract:

We fabricated mono-dispersed hollow waxberry shaped ß-quartz GeO₂ by a facile one-step synthesis in emulsion at room temperature. TEM images indicated that hollow waxberry shaped GeO₂ were consisted of nano-sphere whose average size were estimated to be 20 nm. The growth mechanism and optical properties of the products were also investigated. The possible formation mechanism of the hollow interior is proposed as the Ostwald ripening. The optical properties of the ß-GeO₂ nanoparticles with hollow shapes were also studied with photoluminescence spectrum, which reveals a broad emission, suggesting potential applications in electronic and optoelectronic nanodevices. These attractive results provide us a new simple method further used to fabricate other specific hollow structure and indicate hollow waxberry shaped GeO₂ may have potential applications in light-emitting nanodevices.

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Periodical:

Advanced Materials Research (Volume 669)

Pages:

360-365

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.669.360

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Online since:

March 2013

Authors:

Xu Zou, Bing Bing Liu, Wei Wu, Dong Mei Li, Quan Jun Li, Ze Peng Li, Bo Liu, Ho Kwang Mao

Keywords:

20 nm, GeO₂, Hollow, β-Phase

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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