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Effect of the Adjuvants on the Properties of Superfine SnO2 Powders

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Abstract:

Ultrafine SnO2 is a new type of material, in the field of solar cells and semiconductors have a lot of use. To get different morphology and different properties of tin oxide powder material, making more applications in the field, the effect of the adjuvants on the properties of superfine SnO2 powders were distigated. Through the analysis of experimental results, the conclusions are shown the stronger the alkalinity of the auxiliary agent, the larger the grain size of the obtained particles and the more uniform the particles. When the molar ratio of salt to alkali is more than 1: 4, the amount of alkali is gradually reduced, the particle size is small, the morphology is not uniform and easy to agglomerate. When the molar ratio of salt to alkali is 1: 4, the smaller particle size is shown, the appearance morphology is uneven. The longer the reaction time, the more complete the grain, the more uniform the morphology. Under the condition of SnCl4 concentration of 0.05 mol/L, reaction time is 4 days, salt and alkali molar ratio is 1: 4, holding temperature is 200 °C, the auxiliary agent is NaOH, the size, shape and properties of synthesized SnO2 are the better.

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Periodical:

Materials Science Forum (Volume 934)

Pages:

35-40

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.934.35

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Online since:

October 2018

Authors:

Jie Guang Song*, Cai Liang Pang, Yue Liu, Jia Zhang, Lin Chen, Long He, Chao Shi Liu, Song Lin Guo, Yue Ning Qin

Keywords:

Adjuvant, Hydrothermal Method, Nano Powder, SnO2 Powder

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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